.page-contact {
  --pc-gap: clamp(14px, 2vw, 22px);
  --pc-pad: clamp(20px, 2.6vw, 32px);
  --pc-anchor: calc(var(--header-h) + 24px);
  padding-top: var(--header-h);
  background: var(--ink-800);
  color: var(--silver);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 58px) 0 clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 86% at 90% 0%, rgba(31, 217, 126, 0.15), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(195, 207, 218, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(195, 207, 218, 0.07) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 76%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 200;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 58ch;
  color: var(--silver);
}

.page-contact .contact-quick {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  width: 100%;
}

.page-contact .contact-quick__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 11px 14px;
  border-left: 2px solid var(--green);
  background: rgba(12, 24, 38, 0.66);
}

.page-contact .contact-quick__key {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-contact .contact-quick__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 图片容器 ---------- */
.page-contact .contact-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-900);
}

.page-contact .contact-figure--hero img {
  box-shadow: 0 28px 60px -40px rgba(0, 0, 0, 0.95);
}

/* ---------- 通道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pc-pad);
  background: linear-gradient(158deg, rgba(15, 30, 46, 0.95), rgba(6, 16, 25, 0.95));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--silver);
  text-decoration: none;
  overflow: hidden;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--green);
}

.page-contact .channel-card--data::before {
  background: var(--amber);
}

.page-contact .channel-card--media::before {
  background: var(--silver);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--green-deep);
  box-shadow: 0 22px 44px -30px rgba(31, 217, 126, 0.75);
}

.page-contact .channel-card:focus-visible {
  outline: 2px solid var(--green-soft);
  outline-offset: 2px;
}

.page-contact .channel-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .channel-card__need {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--gray);
}

.page-contact .channel-card__need strong {
  color: var(--green-soft);
  font-weight: 600;
}

.page-contact .channel-card--data .channel-card__need strong {
  color: var(--amber);
}

.page-contact .channel-card__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
}

/* ---------- 详情区块 ---------- */
.page-contact .contact-block {
  scroll-margin-top: var(--pc-anchor);
}

.page-contact .contact-block__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
  align-items: start;
}

.page-contact .contact-block__main,
.page-contact .contact-block__aside {
  min-width: 0;
}

/* ---------- 联系方式行 ---------- */
.page-contact .contact-lines {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
}

.page-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: var(--radius);
}

.page-contact .contact-line--phone {
  border-left-color: var(--amber);
}

.page-contact .contact-line__meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-contact .contact-line__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.6vw, 15px);
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-line .copy-btn {
  margin-left: auto;
  flex: 0 0 auto;
}

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

/* ---------- 地址卡 ---------- */
.page-contact .addr-card {
  display: grid;
  gap: 12px;
  padding: var(--pc-pad);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--green);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(13, 30, 46, 0.95), rgba(6, 16, 25, 0.95));
}

.page-contact .addr-card__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-contact .addr-card__val {
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .addr-card .copy-btn {
  justify-self: start;
}

/* ---------- 要点清单 ---------- */
.page-contact .keylist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .keylist > li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .keylist > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* ---------- 编号步骤 ---------- */
.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .step-list__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .step-list__item:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .step-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--green);
  padding-top: 2px;
}

.page-contact .step-list__body {
  display: grid;
  gap: 4px;
}

.page-contact .step-list__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .step-list__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--gray);
}

/* ---------- 侧栏面板 ---------- */
.page-contact .contact-panel {
  display: grid;
  gap: 12px;
  padding: var(--pc-pad);
  border-radius: var(--radius);
}

.page-contact .contact-panel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--green);
  text-transform: uppercase;
}

.page-contact .contact-panel__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-panel__link {
  margin: 0;
  font-size: 14px;
}

.page-contact .contact-panel__text .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 备案标签与收尾 ---------- */
.page-contact .filing {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(6, 16, 25, 0.75);
}

.page-contact .filing__item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .filing__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 3px 8px;
}

.page-contact .filing__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-tail {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
  max-width: 74ch;
}

.page-contact .inline-link {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 217, 126, 0.42);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--green-soft);
  border-bottom-color: var(--green-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 620px) and (max-width: 819.98px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-grid > .channel-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    align-items: stretch;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-contact .contact-block__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

@media (max-width: 520px) {
  .page-contact .contact-line .copy-btn {
    margin-left: 0;
  }

  .page-contact .step-list__item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .contact-quick__val {
    font-size: 12px;
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-visible {
    transform: none;
  }
}