.page-contact {
  --pc-gap: clamp(18px, 2.6vw, 32px);
  --pc-arc: rgba(77, 240, 200, 0.14);
  --pc-line-soft: rgba(143, 168, 160, 0.22);
  padding-bottom: clamp(56px, 9vw, 120px);
  color: var(--white);
}

.page-contact .pc-crumb {
  padding: clamp(24px, 4vw, 44px) 0 0;
}

.page-contact .pc-section {
  margin-bottom: clamp(52px, 8vw, 92px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 3vw, 40px) 0 clamp(40px, 6vw, 76px);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -10%;
  right: -16%;
  width: min(780px, 92vw);
  height: 120%;
  background: linear-gradient(132deg, rgba(245, 184, 75, 0.18) 0%, rgba(77, 240, 200, 0.12) 44%, rgba(8, 23, 17, 0) 74%);
  clip-path: polygon(30% 0%, 100% 0%, 100% 84%, 0% 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(62px, 15vw, 150px);
  line-height: 0.84;
  letter-spacing: -0.05em;
  color: var(--white);
}

.page-contact .contact-hero__title em {
  display: block;
  margin-top: 0.26em;
  font-style: normal;
  font-weight: 400;
  font-size: 0.3em;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  max-width: 48ch;
  margin: clamp(22px, 3vw, 34px) 0 0;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
  color: rgba(234, 246, 240, 0.82);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 46%;
  background: linear-gradient(180deg, var(--amber), var(--cyan));
  pointer-events: none;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .contact-hero__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 48px 20px 16px;
  background: linear-gradient(to top, rgba(4, 16, 11, 0.9), rgba(4, 16, 11, 0));
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

/* ---------- 页内索引 ---------- */
.page-contact .contact-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: clamp(44px, 7vw, 84px);
  padding: clamp(14px, 2vw, 20px) 0;
  border-top: 1px solid var(--pc-line-soft);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .contact-index .toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .contact-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-index .toc__link {
  display: inline-block;
  padding: 6px 15px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 13px;
  line-height: 1.5;
  color: var(--cyan-soft);
  text-decoration: none;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.page-contact .contact-index .toc__link:hover,
.page-contact .contact-index .toc__link[data-current] {
  background: rgba(77, 240, 200, 0.14);
  border-color: var(--cyan);
  color: var(--white);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--turf) 0%, var(--turf-2) 100%);
  overflow: hidden;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: -52px;
  bottom: -72px;
  width: 190px;
  height: 190px;
  border: 1px solid var(--pc-arc);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .channel-card--phone::before { background: var(--amber); }
.page-contact .channel-card--phone::after { border-color: rgba(245, 184, 75, 0.26); }
.page-contact .channel-card--hours::before { background: var(--cyan-soft); }
.page-contact .channel-card--hours::after { border-color: rgba(122, 245, 216, 0.22); }
.page-contact .channel-card--addr::before { background: var(--mist); }
.page-contact .channel-card--addr::after { border-color: rgba(143, 168, 160, 0.2); }

.page-contact .channel-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(16px, 1.8vw, 21px);
  color: var(--cyan);
}

.page-contact .channel-card__value--sm {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 500;
  line-height: 1.7;
  color: var(--cyan-soft);
}

.page-contact .channel-card__note {
  margin: auto 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 数据纠错 ---------- */
.page-contact .fix-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .fix-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .fix-step:last-child {
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .fix-step__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .fix-step__title {
  grid-column: 2;
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .fix-step__text {
  grid-column: 2;
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 246, 240, 0.72);
}

.page-contact .fix-step__text a {
  color: var(--cyan);
}

.page-contact .fix-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--turf-2);
  overflow: hidden;
}

.page-contact .fix-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .fix-figure__cap {
  padding: 14px 18px;
  border-top: 1px solid var(--pc-line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-map {
  display: block;
  width: 100%;
  height: auto;
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-contact .coop-cards {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .coop-card {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--r-lg);
  background: rgba(15, 42, 32, 0.72);
}

.page-contact .coop-card--label { border-top-color: var(--amber); }
.page-contact .coop-card--topic { border-top-color: var(--cyan-soft); }

.page-contact .coop-card__no {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .coop-card__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .coop-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 246, 240, 0.74);
}

.page-contact .coop-line {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--red);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(234, 246, 240, 0.76);
}

.page-contact .coop-line a {
  color: var(--cyan);
}

/* ---------- 服务边界 ---------- */
.page-contact .boundary-panel {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--turf) 0%, var(--turf-2) 100%);
  overflow: hidden;
}

.page-contact .boundary-panel::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 184, 75, 0.16), rgba(245, 184, 75, 0) 70%);
  pointer-events: none;
}

.page-contact .boundary-list {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .boundary-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 246, 240, 0.76);
}

.page-contact .boundary-item::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 10px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: rgba(77, 240, 200, 0.2);
}

.page-contact .boundary-item a {
  color: var(--cyan);
}

/* ---------- 地址与备案 ---------- */
.page-contact .legal-strip {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-md);
  background: var(--pc-line-soft);
  overflow: hidden;
}

.page-contact .legal-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--night);
}

.page-contact .legal-cell--icp { background: var(--turf-2); }

.page-contact .legal-cell__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .legal-cell__value {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .legal-cell__value--mono {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-contact .legal-cell__value a {
  color: var(--cyan);
}

.page-contact .contact-note {
  max-width: 68ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .legal-strip {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .boundary-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1020px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.25fr 0.95fr 0.95fr;
    grid-template-areas:
      "mail phone hours"
      "mail addr addr";
  }

  .page-contact .channel-card--mail { grid-area: mail; }
  .page-contact .channel-card--phone { grid-area: phone; }
  .page-contact .channel-card--hours { grid-area: hours; }
  .page-contact .channel-card--addr { grid-area: addr; }
}

@media (min-width: 1060px) {
  .page-contact .coop-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .coop-card:nth-child(2) { margin-top: 34px; }
  .page-contact .coop-card:nth-child(3) { margin-top: 12px; }
}

@media (min-width: 960px) {
  .page-contact .fix-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-index .toc__link {
    transition: none;
  }
}
</PAGE_CSS>