.page-contact {
  --pc-cut: 20px;
  --pc-line: rgba(159, 182, 200, 0.26);
  --pc-line-strong: rgba(159, 182, 200, 0.44);
  background:
    radial-gradient(circle at 84% 6%, rgba(61, 242, 208, 0.10), transparent 45%),
    radial-gradient(circle at 8% 34%, rgba(255, 106, 42, 0.09), transparent 42%),
    var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

.page-contact .pc-cutmask {
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
  overflow: hidden;
}

.page-contact .pc-cutmaskLight {
  clip-path: polygon(var(--pc-cut) 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%, 0 var(--pc-cut));
  overflow: hidden;
  background: var(--gold);
}

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

.page-contact .pc-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 208, 0.5);
  padding-bottom: 1px;
}

.page-contact .pc-link--dark {
  color: var(--trench);
  border-bottom-color: rgba(18, 63, 74, 0.45);
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible,
.page-contact .pc-link--dark:hover,
.page-contact .pc-link--dark:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-contact .pc-link:focus-visible,
.page-contact .pc-copybtn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumbwrap {
  padding-top: clamp(92px, 13vw, 128px);
}

.page-contact .bp-crumb__link,
.page-contact .bp-crumb__item span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .bp-crumb__link:hover,
.page-contact .bp-crumb__link:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(34px, 6vw, 70px);
}

.page-contact .pc-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 8.4vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
  margin: 10px 0 0;
  color: var(--cream);
}

.page-contact .pc-hero__title em {
  font-style: normal;
  color: var(--signal);
}

.page-contact .pc-hero__text .bp-lede {
  margin-top: clamp(16px, 2.6vw, 24px);
  max-width: 60ch;
  color: var(--mist);
}

.page-contact .pc-hero__aside {
  border-left: 2px solid var(--signal);
  padding-left: 16px;
}

.page-contact .pc-hero__asideTitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin: 0 0 12px;
}

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

.page-contact .pc-hero__legend .bp-legend__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--cream);
}

.page-contact .bp-legend__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(61, 242, 208, 0.7);
}

.page-contact .bp-legend__dot--warm {
  background: var(--signal);
  box-shadow: 0 0 10px rgba(255, 106, 42, 0.7);
}

.page-contact .bp-legend__dot--dim {
  background: var(--mist);
  box-shadow: none;
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels {
  padding: 0 0 clamp(34px, 6vw, 68px);
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: clamp(28px, 5vw, 54px);
}

.page-contact .pc-channels__main .bp-h2 {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  color: var(--cream);
}

.page-contact .pc-channel {
  border-top: 1px solid var(--pc-line);
  padding: clamp(18px, 3vw, 26px) 0;
}

.page-contact .pc-channel__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .pc-channel__no {
  font-size: 0.82rem;
  color: var(--signal);
}

.page-contact .pc-channel__type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .pc-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.05rem, 4.3vw, 2.2rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-channel__value--mail {
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(61, 242, 208, 0.22);
}

.page-contact .pc-channel__value--tel {
  color: var(--amber);
  text-shadow: 0 0 26px rgba(255, 200, 87, 0.2);
}

.page-contact .pc-copybtn {
  margin-top: 14px;
  font-size: 0.8rem;
  padding: 0.52rem 1rem;
  background: transparent;
  color: var(--cream);
}

.page-contact .pc-copybtn:hover,
.page-contact .pc-copybtn:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .pc-copyhint {
  min-height: 1.1em;
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
}

.page-contact .pc-channels__hint {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--pc-line-strong);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-channels__figure {
  margin: 0;
}

.page-contact .pc-channels__figure .bp-figure__media {
  border: 1px solid var(--pc-line);
}

.page-contact .pc-channels__figure .bp-figure__cap,
.page-contact .pc-subject__figure .bp-figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 斜线分隔 ---------- */
.page-contact .pc-slash {
  height: 2px;
  background: repeating-linear-gradient(112deg, transparent 0 9px, rgba(255, 106, 42, 0.62) 9px 10px);
  opacity: 0.75;
}

/* ---------- 邮件标题 ---------- */
.page-contact .pc-subject {
  padding: clamp(38px, 6vw, 72px) 0;
}

.page-contact .pc-subject__head .bp-h2 {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  color: var(--cream);
}

.page-contact .pc-subject__head .bp-lede {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--mist);
}

.page-contact .pc-tabs {
  margin-top: clamp(22px, 4vw, 36px);
}

.page-contact .pc-tabs .bp-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .pc-tabs .bp-tabs__tab {
  font-family: var(--font-body);
  font-size: 0.86rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--pc-line);
  background: rgba(13, 43, 69, 0.72);
  color: var(--mist);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .pc-tabs .bp-tabs__tab:hover {
  color: var(--cream);
  border-color: var(--pc-line-strong);
}

.page-contact .pc-tabs .bp-tabs__tab[aria-selected="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--brown);
  font-weight: 700;
}

.page-contact .pc-tabs .bp-tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .pc-subject__panel {
  padding: clamp(18px, 3.4vw, 30px);
  background: linear-gradient(150deg, rgba(18, 63, 74, 0.92), rgba(13, 43, 69, 0.94));
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .pc-subject__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-contact .pc-subject__example {
  margin: 0 0 14px;
  padding: 12px 16px;
  border-left: 3px solid var(--cyan);
  background: rgba(61, 242, 208, 0.09);
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 2.4vw, 0.95rem);
  line-height: 1.6;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-subject__note {
  margin: 0;
  max-width: 64ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--cream);
}

.page-contact .pc-subject__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--pc-line);
}

/* ---------- 渠道合作 ---------- */
.page-contact .pc-partner {
  padding: clamp(10px, 2vw, 20px) 0 clamp(40px, 7vw, 76px);
}

.page-contact .pc-partner .bp-h2 {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  color: var(--cream);
}

.page-contact .pc-partner .bp-lede {
  margin-top: 14px;
  max-width: 64ch;
  color: var(--mist);
}

.page-contact .pc-partner__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .pc-partner__card {
  padding: clamp(20px, 3vw, 28px);
  background: linear-gradient(160deg, rgba(13, 43, 69, 0.95), rgba(7, 26, 43, 0.96));
  border: 1px solid var(--pc-line);
}

.page-contact .pc-partner__no {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--signal);
  margin-bottom: 10px;
}

.page-contact .pc-partner__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  color: var(--cream);
}

.page-contact .pc-partner__text {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .pc-partner__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .pc-partner__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--cream);
}

.page-contact .pc-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .pc-partner__cta {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pc-line);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 渠道对比 ---------- */
.page-contact .pc-response {
  padding-bottom: clamp(38px, 6vw, 68px);
}

.page-contact .pc-response__paper {
  padding: clamp(22px, 4vw, 42px);
  color: var(--brown);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-contact .pc-response__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 1.95rem);
  color: var(--brown);
  line-height: 1.2;
}

.page-contact .pc-response__grid {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-contact .pc-response__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--brown);
  background: var(--gold);
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.page-contact .pc-response__tag--warm {
  background: var(--signal);
}

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

.page-contact .pc-response__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--brown);
}

.page-contact .pc-response__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 11px;
  height: 1px;
  background: var(--trench);
}

.page-contact .pc-response__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(28, 23, 18, 0.28);
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(28, 23, 18, 0.78);
}

/* ---------- 地址与备案 ---------- */
.page-contact .pc-meta {
  padding-bottom: clamp(34px, 5vw, 56px);
}

.page-contact .pc-meta__inner {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 24px) 0;
  border-top: 1px solid var(--pc-line-strong);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-meta__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}

.page-contact .pc-meta__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  min-width: 4.6em;
}

.page-contact .pc-meta__value {
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 2.2vw, 0.9rem);
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .pc-meta__trace {
  display: flex;
  gap: 7px;
  margin-top: 16px;
}

.page-contact .pc-meta__trace span {
  height: 3px;
  width: 38px;
  background: var(--pc-line);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-contact .pc-meta__trace span:nth-child(-n+2) {
  background: var(--cyan);
  opacity: 0.85;
}

.page-contact .pc-meta__trace span:nth-child(3) {
  background: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-partner__card:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .pc-partner__card:nth-child(3) {
    margin-top: 52px;
  }

  .page-contact .pc-meta__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-meta__item {
    flex-direction: column;
    gap: 6px;
  }

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

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .pc-channels__figure {
    margin-top: 34px;
  }

  .page-contact .pc-subject__figure {
    margin-left: 8.33%;
    width: 83.34%;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-channel__value {
    letter-spacing: -0.02em;
  }

  .page-contact .pc-subject__panel {
    padding: 34px 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-tabs .bp-tabs__tab {
    transition: none;
  }
}