.page-contact {
  --pc-cut: 26px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(48px, 7vw, 92px);
}
.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .22;
  filter: grayscale(.55) saturate(.7) contrast(1.05);
  z-index: 0;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 51, 47, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 51, 47, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(110% 80% at 78% 8%, rgba(53, 230, 208, .16), transparent 62%),
    linear-gradient(180deg, rgba(10, 15, 14, .58) 0%, rgba(10, 15, 14, .9) 64%, var(--bh-black) 100%);
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 22px;
}
.page-contact .pc-hero__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(38px, 7.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--bh-paper);
  margin: .3em 0 .45em;
  transform: skewX(-1.6deg);
  transform-origin: left bottom;
}
.page-contact .pc-hero__lede {
  max-width: 54ch;
  margin: 0;
  color: var(--bh-muted);
  font-size: 17px;
  line-height: 1.8;
}

/* 三枚渠道胶囊 */
.page-contact .pc-chan {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-chan__item {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 3px 10px;
  padding: 12px 18px;
  border: 1px solid var(--bh-line);
  border-radius: 999px;
  background: rgba(15, 42, 36, .55);
  color: var(--bh-paper);
  transition: border-color .3s var(--bh-ease), background .3s var(--bh-ease), transform .3s var(--bh-ease);
}
.page-contact .pc-chan__item svg {
  width: 18px;
  height: 18px;
  color: var(--bh-cyan);
}
.page-contact .pc-chan__label {
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.page-contact .pc-chan__note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--bh-muted);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s var(--bh-ease), opacity .35s var(--bh-ease);
}
@media (hover: hover) {
  .page-contact .pc-chan__item:hover {
    border-color: rgba(53, 230, 208, .55);
    background: rgba(23, 64, 58, .7);
    transform: translateY(-2px);
  }
  .page-contact .pc-chan__item:hover .pc-chan__note {
    max-height: 3.4em;
    opacity: 1;
  }
}
@media (max-width: 959px) {
  .page-contact .pc-chan__note {
    max-height: none;
    opacity: 1;
  }
}

.page-contact .pc-quick {
  display: inline-block;
  margin-top: 26px;
  color: var(--bh-cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 230, 208, .5);
  padding-bottom: 2px;
}
.page-contact .pc-quick:hover {
  color: var(--bh-paper);
  border-bottom-color: var(--bh-paper);
}

/* 响应节奏面板 */
.page-contact .pc-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(155deg, var(--bh-ink) 0%, #0A1D1A 100%);
  border: 1px solid rgba(53, 230, 208, .28);
  border-radius: var(--bh-radius-lg);
  box-shadow: 0 40px 90px -50px rgba(53, 230, 208, .45);
}
.page-contact .pc-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  background: linear-gradient(225deg, rgba(53, 230, 208, .45), rgba(53, 230, 208, 0) 72%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.page-contact .pc-panel__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.12;
  color: var(--bh-paper);
  margin: .18em 0 .75em;
}
.page-contact .pc-meter {
  margin: 0;
  display: grid;
}
.page-contact .pc-meter__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meter__row:first-child {
  border-top: 0;
  padding-top: 4px;
}
.page-contact .pc-meter dt {
  color: var(--bh-muted);
  font-size: 14.5px;
  line-height: 1.5;
}
.page-contact .pc-meter dd {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 15px;
  color: var(--bh-paper);
  text-align: right;
  white-space: nowrap;
}
.page-contact .pc-meter__hot {
  color: var(--bh-cyan);
  font-size: 19px;
}
.page-contact .pc-panel__note {
  margin: 20px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--bh-orange);
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-sec-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.page-contact .pc-sec-head--tight {
  margin-bottom: 8px;
}
.page-contact .pc-sec-title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--bh-paper);
  margin: 0;
}
.page-contact .pc-sec-sub {
  margin: 0;
  color: var(--bh-muted);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 三条通道信息条 ---------- */
.page-contact .pc-rows {
  display: grid;
}
.page-contact .pc-row {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-row:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-row__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--bh-cyan);
  text-transform: uppercase;
}
.page-contact .pc-row__idx {
  color: var(--bh-muted);
}
.page-contact .pc-row__value {
  margin: 0 0 10px;
  font-family: var(--bh-font-mono);
  font-size: clamp(17px, 2.5vw, 22px);
  letter-spacing: .01em;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-row__desc {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-row__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.page-contact .pc-copy {
  border: 1px solid rgba(53, 230, 208, .55);
  color: var(--bh-cyan);
  background: transparent;
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .3s var(--bh-ease), color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(53, 230, 208, .14);
  color: var(--bh-paper);
}
.page-contact .pc-copy.is-ok {
  border-color: var(--bh-cyan);
  color: var(--bh-cyan);
}
.page-contact .pc-copy.is-fail {
  border-color: var(--bh-rose);
  color: var(--bh-rose);
}
.page-contact .bh-copy__status {
  font-size: 13px;
  color: var(--bh-cyan);
}

/* 地址路径线 */
.page-contact .pc-path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 16px;
  font-family: var(--bh-font-mono);
  font-size: 13.5px;
}
.page-contact .pc-path__seg {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--bh-muted);
}
.page-contact .pc-path__seg::before {
  content: "";
  width: 6px;
  height: 6px;
  border: 1px solid var(--bh-cyan);
  border-radius: 50%;
  flex: none;
}
.page-contact .pc-path__seg:last-child {
  color: var(--bh-cyan);
}
.page-contact .pc-path__seg:last-child::before {
  background: var(--bh-cyan);
}

/* 地址切换 */
.page-contact .pc-tabs {
  margin-top: 6px;
}
.page-contact .pc-tabs .bh-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .pc-tabs .bh-tabs__tab {
  border: 1px solid var(--bh-line);
  background: transparent;
  color: var(--bh-muted);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .3s var(--bh-ease), color .3s var(--bh-ease), background .3s var(--bh-ease);
}
.page-contact .pc-tabs .bh-tabs__tab[aria-selected="true"] {
  border-color: rgba(53, 230, 208, .6);
  background: rgba(53, 230, 208, .1);
  color: var(--bh-paper);
}
.page-contact .pc-tabs .bh-tabs__panel {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.8;
  border-left: 1px solid var(--bh-line);
  padding-left: 14px;
}
.page-contact .pc-row__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  filter: grayscale(.45) saturate(.8);
}

/* ---------- 沟通准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 28px;
}
.page-contact .pc-prep__h {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--bh-paper);
  margin: 0 0 18px;
}
.page-contact .pc-prep__col--alt {
  background: linear-gradient(160deg, rgba(23, 64, 58, .72), rgba(15, 42, 36, .5));
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(22px, 3.5vw, 34px);
}
.page-contact .pc-list {
  list-style: none;
  counter-reset: pc;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-list li {
  counter-increment: pc;
  position: relative;
  padding-left: 46px;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-list li::before {
  content: counter(pc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  min-width: 30px;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  color: var(--bh-cyan);
  border-bottom: 1px solid var(--bh-line);
  padding-bottom: 2px;
}
.page-contact .pc-list strong {
  color: var(--bh-paper);
  font-weight: 600;
}
.page-contact .pc-list--plain li::before {
  content: "—";
  min-width: 0;
  color: var(--bh-orange);
  border-bottom: 0;
}
.page-contact .pc-prep__note {
  margin: 20px 0 0;
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 问题分流 ---------- */
.page-contact .pc-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-contact .pc-route__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "tag arrow"
    "text text";
  gap: 10px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-route__item:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-route__tag {
  grid-area: tag;
  justify-self: start;
  font-family: var(--bh-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bh-orange);
  border: 1px solid rgba(255, 122, 47, .5);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
}
.page-contact .pc-route__text {
  grid-area: text;
}
.page-contact .pc-route__text h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.page-contact .pc-route__text h3 a {
  color: var(--bh-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-route__text h3 a:hover,
.page-contact .pc-route__text h3 a:focus-visible {
  color: var(--bh-cyan);
  border-bottom-color: var(--bh-cyan);
}
.page-contact .pc-route__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .pc-route__arrow {
  grid-area: arrow;
  align-self: center;
  color: var(--bh-cyan);
  font-size: 18px;
  transition: transform .3s var(--bh-ease);
}
.page-contact .pc-route__item:hover .pc-route__arrow {
  transform: translateX(6px);
}

/* ---------- 站点身份与备案 ---------- */
.page-contact .pc-meta__panel {
  position: relative;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(26px, 4vw, 48px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(53, 230, 208, .1), transparent 60%),
    linear-gradient(120deg, rgba(15, 42, 36, .92), rgba(10, 15, 14, .7));
}
.page-contact .pc-meta__facts {
  display: grid;
  margin: 30px 0 0;
}
.page-contact .pc-meta__facts > div {
  padding: 16px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meta__facts dt {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bh-muted);
}
.page-contact .pc-meta__facts dd {
  margin: 6px 0 0;
  font-family: var(--bh-font-mono);
  font-size: 16px;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-meta__links {
  margin: 28px 0 0;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.85;
}
.page-contact .pc-meta__links a {
  color: var(--bh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, .35);
}
.page-contact .pc-meta__links a:hover {
  border-bottom-color: var(--bh-cyan);
}

/* ---------- 收尾细网格 ---------- */
.page-contact .pc-strip {
  margin-top: clamp(40px, 7vw, 80px);
  border-top: 1px solid var(--bh-line);
  background-image:
    linear-gradient(180deg, rgba(36, 51, 47, .45), rgba(36, 51, 47, 0)),
    linear-gradient(90deg, rgba(36, 51, 47, .55) 1px, transparent 1px);
  background-size: 100% 100%, 72px 100%;
}
.page-contact .pc-strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 20px 0;
  font-family: var(--bh-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--bh-muted);
}
.page-contact .pc-strip__dot {
  color: var(--bh-cyan);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.85fr);
    gap: 56px;
    align-items: start;
    margin-top: 36px;
  }
  .page-contact .pc-row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 32px;
  }
  .page-contact .pc-row--addr {
    grid-template-columns: 172px minmax(0, 1fr) 240px;
    align-items: start;
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .pc-meta__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 36px;
  }
  .page-contact .pc-route__item {
    grid-template-columns: 150px minmax(0, 1fr) 32px;
    grid-template-areas: "tag text arrow";
    align-items: center;
    gap: 24px;
  }
}
</main>

.page-contact {
  --pc-cut: 26px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(48px, 7vw, 92px);
}
.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .22;
  filter: grayscale(.55) saturate(.7) contrast(1.05);
  z-index: 0;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 51, 47, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 51, 47, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(110% 80% at 78% 8%, rgba(53, 230, 208, .16), transparent 62%),
    linear-gradient(180deg, rgba(10, 15, 14, .58) 0%, rgba(10, 15, 14, .9) 64%, var(--bh-black) 100%);
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}
.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 22px;
}
.page-contact .pc-hero__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(38px, 7.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--bh-paper);
  margin: .3em 0 .45em;
  transform: skewX(-1.6deg);
  transform-origin: left bottom;
}
.page-contact .pc-hero__lede {
  max-width: 54ch;
  margin: 0;
  color: var(--bh-muted);
  font-size: 17px;
  line-height: 1.8;
}

/* 渠道胶囊 */
.page-contact .pc-chan {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-chan__item {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 3px 10px;
  padding: 12px 18px;
  border: 1px solid var(--bh-line);
  border-radius: 999px;
  background: rgba(15, 42, 36, .55);
  color: var(--bh-paper);
  transition: border-color .3s var(--bh-ease), background .3s var(--bh-ease), transform .3s var(--bh-ease);
}
.page-contact .pc-chan__item svg {
  width: 18px;
  height: 18px;
  color: var(--bh-cyan);
}
.page-contact .pc-chan__label {
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.page-contact .pc-chan__note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--bh-muted);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s var(--bh-ease), opacity .35s var(--bh-ease);
}
@media (hover: hover) {
  .page-contact .pc-chan__item:hover {
    border-color: rgba(53, 230, 208, .55);
    background: rgba(23, 64, 58, .7);
    transform: translateY(-2px);
  }
  .page-contact .pc-chan__item:hover .pc-chan__note {
    max-height: 3.4em;
    opacity: 1;
  }
}
@media (max-width: 959px) {
  .page-contact .pc-chan__note {
    max-height: none;
    opacity: 1;
  }
}
.page-contact .pc-quick {
  display: inline-block;
  margin-top: 26px;
  color: var(--bh-cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 230, 208, .5);
  padding-bottom: 2px;
}
.page-contact .pc-quick:hover {
  color: var(--bh-paper);
  border-bottom-color: var(--bh-paper);
}

/* 响应节奏面板 */
.page-contact .pc-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(155deg, var(--bh-ink) 0%, #0A1D1A 100%);
  border: 1px solid rgba(53, 230, 208, .28);
  border-radius: var(--bh-radius-lg);
  box-shadow: 0 40px 90px -50px rgba(53, 230, 208, .45);
}
.page-contact .pc-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  background: linear-gradient(225deg, rgba(53, 230, 208, .45), rgba(53, 230, 208, 0) 72%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.page-contact .pc-panel__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.12;
  color: var(--bh-paper);
  margin: .18em 0 .75em;
}
.page-contact .pc-meter {
  margin: 0;
  display: grid;
}
.page-contact .pc-meter__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meter__row:first-child {
  border-top: 0;
  padding-top: 4px;
}
.page-contact .pc-meter dt {
  color: var(--bh-muted);
  font-size: 14.5px;
  line-height: 1.5;
}
.page-contact .pc-meter dd {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 15px;
  color: var(--bh-paper);
  text-align: right;
  white-space: nowrap;
}
.page-contact .pc-meter__hot {
  color: var(--bh-cyan);
  font-size: 19px;
}
.page-contact .pc-panel__note {
  margin: 20px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--bh-orange);
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-sec-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.page-contact .pc-sec-head--tight {
  margin-bottom: 8px;
}
.page-contact .pc-sec-title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--bh-paper);
  margin: 0;
}
.page-contact .pc-sec-sub {
  margin: 0;
  color: var(--bh-muted);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-rows {
  display: grid;
}
.page-contact .pc-row {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-row:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-row__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--bh-cyan);
  text-transform: uppercase;
}
.page-contact .pc-row__idx {
  color: var(--bh-muted);
}
.page-contact .pc-row__value {
  margin: 0 0 10px;
  font-family: var(--bh-font-mono);
  font-size: clamp(17px, 2.5vw, 22px);
  letter-spacing: .01em;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-row__desc {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-row__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.page-contact .pc-copy {
  border: 1px solid rgba(53, 230, 208, .55);
  color: var(--bh-cyan);
  background: transparent;
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .3s var(--bh-ease), color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(53, 230, 208, .14);
  color: var(--bh-paper);
}
.page-contact .pc-copy.is-ok {
  border-color: var(--bh-cyan);
  color: var(--bh-cyan);
}
.page-contact .pc-copy.is-fail {
  border-color: var(--bh-rose);
  color: var(--bh-rose);
}
.page-contact .bh-copy__status {
  font-size: 13px;
  color: var(--bh-cyan);
}

/* 地址路径 */
.page-contact .pc-path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 16px;
  font-family: var(--bh-font-mono);
  font-size: 13.5px;
}
.page-contact .pc-path__seg {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--bh-muted);
}
.page-contact .pc-path__seg::before {
  content: "";
  width: 6px;
  height: 6px;
  border: 1px solid var(--bh-cyan);
  border-radius: 50%;
  flex: none;
}
.page-contact .pc-path__seg:last-child {
  color: var(--bh-cyan);
}
.page-contact .pc-path__seg:last-child::before {
  background: var(--bh-cyan);
}

/* 地址切换 */
.page-contact .pc-tabs {
  margin-top: 6px;
}
.page-contact .pc-tabs .bh-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .pc-tabs .bh-tabs__tab {
  border: 1px solid var(--bh-line);
  background: transparent;
  color: var(--bh-muted);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .3s var(--bh-ease), color .3s var(--bh-ease), background .3s var(--bh-ease);
}
.page-contact .pc-tabs .bh-tabs__tab[aria-selected="true"] {
  border-color: rgba(53, 230, 208, .6);
  background: rgba(53, 230, 208, .1);
  color: var(--bh-paper);
}
.page-contact .pc-tabs .bh-tabs__panel {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.8;
  border-left: 1px solid var(--bh-line);
  padding-left: 14px;
}
.page-contact .pc-row__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  filter: grayscale(.45) saturate(.8);
}

/* ---------- 沟通准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 28px;
}
.page-contact .pc-prep__h {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--bh-paper);
  margin: 0 0 18px;
}
.page-contact .pc-prep__col--alt {
  background: linear-gradient(160deg, rgba(23, 64, 58, .72), rgba(15, 42, 36, .5));
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(22px, 3.5vw, 34px);
}
.page-contact .pc-list {
  list-style: none;
  counter-reset: pc;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-list li {
  counter-increment: pc;
  position: relative;
  padding-left: 46px;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-list li::before {
  content: counter(pc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  min-width: 30px;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  color: var(--bh-cyan);
  border-bottom: 1px solid var(--bh-line);
  padding-bottom: 2px;
}
.page-contact .pc-list strong {
  color: var(--bh-paper);
  font-weight: 600;
}
.page-contact .pc-list--plain li::before {
  content: "—";
  min-width: 0;
  color: var(--bh-orange);
  border-bottom: 0;
}
.page-contact .pc-prep__note {
  margin: 20px 0 0;
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 问题分流 ---------- */
.page-contact .pc-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-contact .pc-route__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "tag arrow"
    "text text";
  gap: 10px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-route__item:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-route__tag {
  grid-area: tag;
  justify-self: start;
  font-family: var(--bh-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bh-orange);
  border: 1px solid rgba(255, 122, 47, .5);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
}
.page-contact .pc-route__text {
  grid-area: text;
}
.page-contact .pc-route__text h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.page-contact .pc-route__text h3 a {
  color: var(--bh-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-route__text h3 a:hover,
.page-contact .pc-route__text h3 a:focus-visible {
  color: var(--bh-cyan);
  border-bottom-color: var(--bh-cyan);
}
.page-contact .pc-route__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .pc-route__arrow {
  grid-area: arrow;
  align-self: center;
  color: var(--bh-cyan);
  font-size: 18px;
  transition: transform .3s var(--bh-ease);
}
.page-contact .pc-route__item:hover .pc-route__arrow {
  transform: translateX(6px);
}

/* ---------- 站点身份与备案 ---------- */
.page-contact .pc-meta__panel {
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(26px, 4vw, 48px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(53, 230, 208, .1), transparent 60%),
    linear-gradient(120deg, rgba(15, 42, 36, .92), rgba(10, 15, 14, .7));
}
.page-contact .pc-meta__facts {
  display: grid;
  margin: 30px 0 0;
}
.page-contact .pc-meta__facts > div {
  padding: 16px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meta__facts dt {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bh-muted);
}
.page-contact .pc-meta__facts dd {
  margin: 6px 0 0;
  font-family: var(--bh-font-mono);
  font-size: 16px;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-meta__links {
  margin: 28px 0 0;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.85;
}
.page-contact .pc-meta__links a {
  color: var(--bh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, .35);
}
.page-contact .pc-meta__links a:hover {
  border-bottom-color: var(--bh-cyan);
}

/* ---------- 收尾细网格 ---------- */
.page-contact .pc-strip {
  margin-top: clamp(40px, 7vw, 80px);
  border-top: 1px solid var(--bh-line);
  background-image:
    linear-gradient(180deg, rgba(36, 51, 47, .45), rgba(36, 51, 47, 0)),
    linear-gradient(90deg, rgba(36, 51, 47, .55) 1px, transparent 1px);
  background-size: 100% 100%, 72px 100%;
}
.page-contact .pc-strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 20px 0;
  font-family: var(--bh-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--bh-muted);
}
.page-contact .pc-strip__dot {
  color: var(--bh-cyan);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.85fr);
    gap: 56px;
    align-items: start;
    margin-top: 36px;
  }
  .page-contact .pc-row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 32px;
  }
  .page-contact .pc-row--addr {
    grid-template-columns: 172px minmax(0, 1fr) 240px;
    align-items: start;
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .pc-meta__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 36px;
  }
  .page-contact .pc-route__item {
    grid-template-columns: 150px minmax(0, 1fr) 32px;
    grid-template-areas: "tag text arrow";
    align-items: center;
    gap: 24px;
  }
}

.page-contact {
  --pc-cut: 26px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(48px, 7vw, 92px);
}
.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .22;
  filter: grayscale(.55) saturate(.7) contrast(1.05);
  z-index: 0;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 51, 47, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 51, 47, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(110% 80% at 78% 8%, rgba(53, 230, 208, .16), transparent 62%),
    linear-gradient(180deg, rgba(10, 15, 14, .58) 0%, rgba(10, 15, 14, .9) 64%, var(--bh-black) 100%);
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}
.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 22px;
}
.page-contact .pc-hero__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(38px, 7.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--bh-paper);
  margin: .3em 0 .45em;
  transform: skewX(-1.6deg);
  transform-origin: left bottom;
}
.page-contact .pc-hero__lede {
  max-width: 54ch;
  margin: 0;
  color: var(--bh-muted);
  font-size: 17px;
  line-height: 1.8;
}

/* 渠道胶囊 */
.page-contact .pc-chan {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-chan__item {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 3px 10px;
  padding: 12px 18px;
  border: 1px solid var(--bh-line);
  border-radius: 999px;
  background: rgba(15, 42, 36, .55);
  color: var(--bh-paper);
  transition: border-color .3s var(--bh-ease), background .3s var(--bh-ease), transform .3s var(--bh-ease);
}
.page-contact .pc-chan__item svg {
  width: 18px;
  height: 18px;
  color: var(--bh-cyan);
}
.page-contact .pc-chan__label {
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.page-contact .pc-chan__note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--bh-muted);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s var(--bh-ease), opacity .35s var(--bh-ease);
}
@media (hover: hover) {
  .page-contact .pc-chan__item:hover {
    border-color: rgba(53, 230, 208, .55);
    background: rgba(23, 64, 58, .7);
    transform: translateY(-2px);
  }
  .page-contact .pc-chan__item:hover .pc-chan__note {
    max-height: 3.4em;
    opacity: 1;
  }
}
@media (max-width: 959px) {
  .page-contact .pc-chan__note {
    max-height: none;
    opacity: 1;
  }
}
.page-contact .pc-quick {
  display: inline-block;
  margin-top: 26px;
  color: var(--bh-cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 230, 208, .5);
  padding-bottom: 2px;
}
.page-contact .pc-quick:hover {
  color: var(--bh-paper);
  border-bottom-color: var(--bh-paper);
}

/* 响应节奏面板 */
.page-contact .pc-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(155deg, var(--bh-ink) 0%, #0A1D1A 100%);
  border: 1px solid rgba(53, 230, 208, .28);
  border-radius: var(--bh-radius-lg);
  box-shadow: 0 40px 90px -50px rgba(53, 230, 208, .45);
}
.page-contact .pc-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  background: linear-gradient(225deg, rgba(53, 230, 208, .45), rgba(53, 230, 208, 0) 72%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.page-contact .pc-panel__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.12;
  color: var(--bh-paper);
  margin: .18em 0 .75em;
}
.page-contact .pc-meter {
  margin: 0;
  display: grid;
}
.page-contact .pc-meter__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meter__row:first-child {
  border-top: 0;
  padding-top: 4px;
}
.page-contact .pc-meter dt {
  color: var(--bh-muted);
  font-size: 14.5px;
  line-height: 1.5;
}
.page-contact .pc-meter dd {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 15px;
  color: var(--bh-paper);
  text-align: right;
  white-space: nowrap;
}
.page-contact .pc-meter__hot {
  color: var(--bh-cyan);
  font-size: 19px;
}
.page-contact .pc-panel__note {
  margin: 20px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--bh-orange);
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-sec-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.page-contact .pc-sec-head--tight {
  margin-bottom: 8px;
}
.page-contact .pc-sec-title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--bh-paper);
  margin: 0;
}
.page-contact .pc-sec-sub {
  margin: 0;
  color: var(--bh-muted);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-rows {
  display: grid;
}
.page-contact .pc-row {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-row:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-row__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--bh-cyan);
  text-transform: uppercase;
}
.page-contact .pc-row__idx {
  color: var(--bh-muted);
}
.page-contact .pc-row__value {
  margin: 0 0 10px;
  font-family: var(--bh-font-mono);
  font-size: clamp(17px, 2.5vw, 22px);
  letter-spacing: .01em;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-row__desc {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-row__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.page-contact .pc-copy {
  border: 1px solid rgba(53, 230, 208, .55);
  color: var(--bh-cyan);
  background: transparent;
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .3s var(--bh-ease), color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(53, 230, 208, .14);
  color: var(--bh-paper);
}
.page-contact .pc-copy.is-ok {
  border-color: var(--bh-cyan);
  color: var(--bh-cyan);
}
.page-contact .pc-copy.is-fail {
  border-color: var(--bh-rose);
  color: var(--bh-rose);
}
.page-contact .bh-copy__status {
  font-size: 13px;
  color: var(--bh-cyan);
}

/* 地址路径 */
.page-contact .pc-path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 16px;
  font-family: var(--bh-font-mono);
  font-size: 13.5px;
}
.page-contact .pc-path__seg {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--bh-muted);
}
.page-contact .pc-path__seg::before {
  content: "";
  width: 6px;
  height: 6px;
  border: 1px solid var(--bh-cyan);
  border-radius: 50%;
  flex: none;
}
.page-contact .pc-path__seg:last-child {
  color: var(--bh-cyan);
}
.page-contact .pc-path__seg:last-child::before {
  background: var(--bh-cyan);
}

/* 地址切换 */
.page-contact .pc-tabs {
  margin-top: 6px;
}
.page-contact .pc-tabs .bh-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .pc-tabs .bh-tabs__tab {
  border: 1px solid var(--bh-line);
  background: transparent;
  color: var(--bh-muted);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .3s var(--bh-ease), color .3s var(--bh-ease), background .3s var(--bh-ease);
}
.page-contact .pc-tabs .bh-tabs__tab[aria-selected="true"] {
  border-color: rgba(53, 230, 208, .6);
  background: rgba(53, 230, 208, .1);
  color: var(--bh-paper);
}
.page-contact .pc-tabs .bh-tabs__panel {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.8;
  border-left: 1px solid var(--bh-line);
  padding-left: 14px;
}
.page-contact .pc-row__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  filter: grayscale(.45) saturate(.8);
}

/* ---------- 沟通准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 28px;
}
.page-contact .pc-prep__h {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--bh-paper);
  margin: 0 0 18px;
}
.page-contact .pc-prep__col--alt {
  background: linear-gradient(160deg, rgba(23, 64, 58, .72), rgba(15, 42, 36, .5));
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(22px, 3.5vw, 34px);
}
.page-contact .pc-list {
  list-style: none;
  counter-reset: pc;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-list li {
  counter-increment: pc;
  position: relative;
  padding-left: 46px;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-list li::before {
  content: counter(pc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  min-width: 30px;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  color: var(--bh-cyan);
  border-bottom: 1px solid var(--bh-line);
  padding-bottom: 2px;
}
.page-contact .pc-list strong {
  color: var(--bh-paper);
  font-weight: 600;
}
.page-contact .pc-list--plain li::before {
  content: "—";
  min-width: 0;
  color: var(--bh-orange);
  border-bottom: 0;
}
.page-contact .pc-prep__note {
  margin: 20px 0 0;
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 问题分流 ---------- */
.page-contact .pc-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-contact .pc-route__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "tag arrow"
    "text text";
  gap: 10px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-route__item:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-route__tag {
  grid-area: tag;
  justify-self: start;
  font-family: var(--bh-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bh-orange);
  border: 1px solid rgba(255, 122, 47, .5);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
}
.page-contact .pc-route__text {
  grid-area: text;
}
.page-contact .pc-route__text h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.page-contact .pc-route__text h3 a {
  color: var(--bh-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-route__text h3 a:hover,
.page-contact .pc-route__text h3 a:focus-visible {
  color: var(--bh-cyan);
  border-bottom-color: var(--bh-cyan);
}
.page-contact .pc-route__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .pc-route__arrow {
  grid-area: arrow;
  align-self: center;
  color: var(--bh-cyan);
  font-size: 18px;
  transition: transform .3s var(--bh-ease);
}
.page-contact .pc-route__item:hover .pc-route__arrow {
  transform: translateX(6px);
}

/* ---------- 站点身份与备案 ---------- */
.page-contact .pc-meta__panel {
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(26px, 4vw, 48px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(53, 230, 208, .1), transparent 60%),
    linear-gradient(120deg, rgba(15, 42, 36, .92), rgba(10, 15, 14, .7));
}
.page-contact .pc-meta__facts {
  display: grid;
  margin: 30px 0 0;
}
.page-contact .pc-meta__facts > div {
  padding: 16px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meta__facts dt {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bh-muted);
}
.page-contact .pc-meta__facts dd {
  margin: 6px 0 0;
  font-family: var(--bh-font-mono);
  font-size: 16px;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-meta__links {
  margin: 28px 0 0;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.85;
}
.page-contact .pc-meta__links a {
  color: var(--bh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, .35);
}
.page-contact .pc-meta__links a:hover {
  border-bottom-color: var(--bh-cyan);
}

/* ---------- 收尾细网格 ---------- */
.page-contact .pc-strip {
  margin-top: clamp(40px, 7vw, 80px);
  border-top: 1px solid var(--bh-line);
  background-image:
    linear-gradient(180deg, rgba(36, 51, 47, .45), rgba(36, 51, 47, 0)),
    linear-gradient(90deg, rgba(36, 51, 47, .55) 1px, transparent 1px);
  background-size: 100% 100%, 72px 100%;
}
.page-contact .pc-strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 20px 0;
  font-family: var(--bh-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--bh-muted);
}
.page-contact .pc-strip__dot {
  color: var(--bh-cyan);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.85fr);
    gap: 56px;
    align-items: start;
    margin-top: 36px;
  }
  .page-contact .pc-row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 32px;
  }
  .page-contact .pc-row--addr {
    grid-template-columns: 172px minmax(0, 1fr) 240px;
    align-items: start;
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .pc-meta__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 36px;
  }
  .page-contact .pc-route__item {
    grid-template-columns: 150px minmax(0, 1fr) 32px;
    grid-template-areas: "tag text arrow";
    align-items: center;
    gap: 24px;
  }
}

.page-contact {
  --pc-cut: 26px;
}
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(48px, 7vw, 92px);
}
.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .22;
  filter: grayscale(.55) saturate(.7) contrast(1.05);
  z-index: 0;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 51, 47, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 51, 47, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(110% 80% at 78% 8%, rgba(53, 230, 208, .16), transparent 62%),
    linear-gradient(180deg, rgba(10, 15, 14, .58) 0%, rgba(10, 15, 14, .9) 64%, var(--bh-black) 100%);
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}
.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 22px;
}
.page-contact .pc-hero__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(38px, 7.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--bh-paper);
  margin: .3em 0 .45em;
  transform: skewX(-1.6deg);
  transform-origin: left bottom;
}
.page-contact .pc-hero__lede {
  max-width: 54ch;
  margin: 0;
  color: var(--bh-muted);
  font-size: 17px;
  line-height: 1.8;
}
.page-contact .pc-chan {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-chan__item {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 3px 10px;
  padding: 12px 18px;
  border: 1px solid var(--bh-line);
  border-radius: 999px;
  background: rgba(15, 42, 36, .55);
  color: var(--bh-paper);
  transition: border-color .3s var(--bh-ease), background .3s var(--bh-ease), transform .3s var(--bh-ease);
}
.page-contact .pc-chan__item svg {
  width: 18px;
  height: 18px;
  color: var(--bh-cyan);
}
.page-contact .pc-chan__label {
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.page-contact .pc-chan__note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--bh-muted);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s var(--bh-ease), opacity .35s var(--bh-ease);
}
@media (hover: hover) {
  .page-contact .pc-chan__item:hover {
    border-color: rgba(53, 230, 208, .55);
    background: rgba(23, 64, 58, .7);
    transform: translateY(-2px);
  }
  .page-contact .pc-chan__item:hover .pc-chan__note {
    max-height: 3.4em;
    opacity: 1;
  }
}
@media (max-width: 959px) {
  .page-contact .pc-chan__note {
    max-height: none;
    opacity: 1;
  }
}
.page-contact .pc-quick {
  display: inline-block;
  margin-top: 26px;
  color: var(--bh-cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 230, 208, .5);
  padding-bottom: 2px;
}
.page-contact .pc-quick:hover {
  color: var(--bh-paper);
  border-bottom-color: var(--bh-paper);
}
.page-contact .pc-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(155deg, var(--bh-ink) 0%, #0A1D1A 100%);
  border: 1px solid rgba(53, 230, 208, .28);
  border-radius: var(--bh-radius-lg);
  box-shadow: 0 40px 90px -50px rgba(53, 230, 208, .45);
}
.page-contact .pc-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  background: linear-gradient(225deg, rgba(53, 230, 208, .45), rgba(53, 230, 208, 0) 72%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.page-contact .pc-panel__title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.12;
  color: var(--bh-paper);
  margin: .18em 0 .75em;
}
.page-contact .pc-meter {
  margin: 0;
  display: grid;
}
.page-contact .pc-meter__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meter__row:first-child {
  border-top: 0;
  padding-top: 4px;
}
.page-contact .pc-meter dt {
  color: var(--bh-muted);
  font-size: 14.5px;
  line-height: 1.5;
}
.page-contact .pc-meter dd {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 15px;
  color: var(--bh-paper);
  text-align: right;
  white-space: nowrap;
}
.page-contact .pc-meter__hot {
  color: var(--bh-cyan);
  font-size: 19px;
}
.page-contact .pc-panel__note {
  margin: 20px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--bh-orange);
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-contact .pc-sec-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.page-contact .pc-sec-head--tight {
  margin-bottom: 8px;
}
.page-contact .pc-sec-title {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--bh-paper);
  margin: 0;
}
.page-contact .pc-sec-sub {
  margin: 0;
  color: var(--bh-muted);
  font-size: 16px;
  line-height: 1.75;
}
.page-contact .pc-rows {
  display: grid;
}
.page-contact .pc-row {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-row:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-row__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--bh-cyan);
  text-transform: uppercase;
}
.page-contact .pc-row__idx {
  color: var(--bh-muted);
}
.page-contact .pc-row__value {
  margin: 0 0 10px;
  font-family: var(--bh-font-mono);
  font-size: clamp(17px, 2.5vw, 22px);
  letter-spacing: .01em;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-row__desc {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-row__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.page-contact .pc-copy {
  border: 1px solid rgba(53, 230, 208, .55);
  color: var(--bh-cyan);
  background: transparent;
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .3s var(--bh-ease), color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(53, 230, 208, .14);
  color: var(--bh-paper);
}
.page-contact .pc-copy.is-ok {
  border-color: var(--bh-cyan);
  color: var(--bh-cyan);
}
.page-contact .pc-copy.is-fail {
  border-color: var(--bh-rose);
  color: var(--bh-rose);
}
.page-contact .bh-copy__status {
  font-size: 13px;
  color: var(--bh-cyan);
}
.page-contact .pc-path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 16px;
  font-family: var(--bh-font-mono);
  font-size: 13.5px;
}
.page-contact .pc-path__seg {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--bh-muted);
}
.page-contact .pc-path__seg::before {
  content: "";
  width: 6px;
  height: 6px;
  border: 1px solid var(--bh-cyan);
  border-radius: 50%;
  flex: none;
}
.page-contact .pc-path__seg:last-child {
  color: var(--bh-cyan);
}
.page-contact .pc-path__seg:last-child::before {
  background: var(--bh-cyan);
}
.page-contact .pc-tabs {
  margin-top: 6px;
}
.page-contact .pc-tabs .bh-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .pc-tabs .bh-tabs__tab {
  border: 1px solid var(--bh-line);
  background: transparent;
  color: var(--bh-muted);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .3s var(--bh-ease), color .3s var(--bh-ease), background .3s var(--bh-ease);
}
.page-contact .pc-tabs .bh-tabs__tab[aria-selected="true"] {
  border-color: rgba(53, 230, 208, .6);
  background: rgba(53, 230, 208, .1);
  color: var(--bh-paper);
}
.page-contact .pc-tabs .bh-tabs__panel {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.8;
  border-left: 1px solid var(--bh-line);
  padding-left: 14px;
}
.page-contact .pc-row__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius);
  filter: grayscale(.45) saturate(.8);
}
.page-contact .pc-prep__grid {
  display: grid;
  gap: 28px;
}
.page-contact .pc-prep__h {
  font-family: var(--bh-font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--bh-paper);
  margin: 0 0 18px;
}
.page-contact .pc-prep__col--alt {
  background: linear-gradient(160deg, rgba(23, 64, 58, .72), rgba(15, 42, 36, .5));
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(22px, 3.5vw, 34px);
}
.page-contact .pc-list {
  list-style: none;
  counter-reset: pc;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-list li {
  counter-increment: pc;
  position: relative;
  padding-left: 46px;
  color: var(--bh-muted);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-contact .pc-list li::before {
  content: counter(pc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  min-width: 30px;
  font-family: var(--bh-font-mono);
  font-size: 13px;
  color: var(--bh-cyan);
  border-bottom: 1px solid var(--bh-line);
  padding-bottom: 2px;
}
.page-contact .pc-list strong {
  color: var(--bh-paper);
  font-weight: 600;
}
.page-contact .pc-list--plain li::before {
  content: "—";
  min-width: 0;
  color: var(--bh-orange);
  border-bottom: 0;
}
.page-contact .pc-prep__note {
  margin: 20px 0 0;
  color: var(--bh-muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-contact .pc-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-contact .pc-route__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "tag arrow"
    "text text";
  gap: 10px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-route__item:last-child {
  border-bottom: 1px solid var(--bh-line);
}
.page-contact .pc-route__tag {
  grid-area: tag;
  justify-self: start;
  font-family: var(--bh-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bh-orange);
  border: 1px solid rgba(255, 122, 47, .5);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
}
.page-contact .pc-route__text {
  grid-area: text;
}
.page-contact .pc-route__text h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.page-contact .pc-route__text h3 a {
  color: var(--bh-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--bh-ease), border-color .3s var(--bh-ease);
}
.page-contact .pc-route__text h3 a:hover,
.page-contact .pc-route__text h3 a:focus-visible {
  color: var(--bh-cyan);
  border-bottom-color: var(--bh-cyan);
}
.page-contact .pc-route__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .pc-route__arrow {
  grid-area: arrow;
  align-self: center;
  color: var(--bh-cyan);
  font-size: 18px;
  transition: transform .3s var(--bh-ease);
}
.page-contact .pc-route__item:hover .pc-route__arrow {
  transform: translateX(6px);
}
.page-contact .pc-meta__panel {
  border: 1px solid var(--bh-line);
  border-radius: var(--bh-radius-lg);
  padding: clamp(26px, 4vw, 48px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(53, 230, 208, .1), transparent 60%),
    linear-gradient(120deg, rgba(15, 42, 36, .92), rgba(10, 15, 14, .7));
}
.page-contact .pc-meta__facts {
  display: grid;
  margin: 30px 0 0;
}
.page-contact .pc-meta__facts > div {
  padding: 16px 0;
  border-top: 1px solid var(--bh-line);
}
.page-contact .pc-meta__facts dt {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bh-muted);
}
.page-contact .pc-meta__facts dd {
  margin: 6px 0 0;
  font-family: var(--bh-font-mono);
  font-size: 16px;
  color: var(--bh-paper);
  word-break: break-word;
}
.page-contact .pc-meta__links {
  margin: 28px 0 0;
  color: var(--bh-muted);
  font-size: 15px;
  line-height: 1.85;
}
.page-contact .pc-meta__links a {
  color: var(--bh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, .35);
}
.page-contact .pc-meta__links a:hover {
  border-bottom-color: var(--bh-cyan);
}
.page-contact .pc-strip {
  margin-top: clamp(40px, 7vw, 80px);
  border-top: 1px solid var(--bh-line);
  background-image:
    linear-gradient(180deg, rgba(36, 51, 47, .45), rgba(36, 51, 47, 0)),
    linear-gradient(90deg, rgba(36, 51, 47, .55) 1px, transparent 1px);
  background-size: 100% 100%, 72px 100%;
}
.page-contact .pc-strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 20px 0;
  font-family: var(--bh-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--bh-muted);
}
.page-contact .pc-strip__dot {
  color: var(--bh-cyan);
}
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.85fr);
    gap: 56px;
    align-items: start;
    margin-top: 36px;
  }
  .page-contact .pc-row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 32px;
  }
  .page-contact .pc-row--addr {
    grid-template-columns: 172px minmax(0, 1fr) 240px;
    align-items: start;
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .pc-meta__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 36px;
  }
  .page-contact .pc-route__item {
    grid-template-columns: 150px minmax(0, 1fr) 32px;
    grid-template-areas: "tag text arrow";
    align-items: center;
    gap: 24px;
  }
}