.page-contact {
  --c-gap: clamp(16px, 2.4vw, 28px);
  --c-pad: clamp(20px, 2.6vw, 30px);
  background: var(--void);
  color: var(--paper);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .crumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-contact .c-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.45);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .c-link:hover,
.page-contact .c-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  padding-block: clamp(22px, 4vw, 46px) clamp(30px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .c-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .c-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(38px, 8.6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
}

.page-contact .c-hero__lede {
  max-width: 54ch;
  margin-top: 18px;
  color: var(--mist);
}

.page-contact .c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .c-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-contact .c-hero__media {
  margin: 0;
  border: 1px solid var(--line);
}

.page-contact .c-hero__media .media__img,
.page-contact .c-routes__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三张联络卡 ---------- */
.page-contact .c-lanes__grid {
  display: grid;
  gap: var(--c-gap);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-contact .c-card {
  position: relative;
  padding: var(--c-pad);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, var(--rail) 0%, var(--panel) 58%);
  clip-path: polygon(24px 0, 100% 0, 100% 100%, 0 100%, 0 24px);
}

.page-contact .c-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(
    to bottom right,
    transparent calc(50% - 1px),
    var(--line) calc(50% - 1px),
    var(--line) calc(50% + 1px),
    transparent calc(50% + 1px)
  );
  pointer-events: none;
}

.page-contact .c-card--mail {
  background: linear-gradient(158deg, var(--rail) 0%, var(--panel) 72%);
}

.page-contact .c-card__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .c-card__label .dot {
  flex: none;
}

.page-contact .c-card__dot--magenta {
  background: var(--magenta);
}

.page-contact .c-card__dot--moss {
  background: var(--moss);
}

.page-contact .c-card__title {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  margin: 12px 0 0;
}

.page-contact .c-card__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 1.8vw, 20px);
  line-height: 1.5;
  color: var(--paper);
  margin: 14px 0 0;
  overflow-wrap: anywhere;
}

.page-contact .c-card__value--addr {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: normal;
}

.page-contact .c-card--mail .c-card__value {
  color: var(--lime);
}

.page-contact .c-card__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
}

.page-contact .c-card__link {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.45);
}

.page-contact .c-card__link:hover,
.page-contact .c-card__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .c-card__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 事项分流 ---------- */
.page-contact .c-routes__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .c-routes__intro {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .c-routes__media {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .c-table__head {
  display: none;
}

.page-contact .c-table {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .c-table__row {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .c-table__topic {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: var(--paper);
}

.page-contact .c-table__sub {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--mist);
}

.page-contact .c-table__need {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .c-table__channel {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-contact .c-table__dot--cyan {
  background: var(--cyan);
}

.page-contact .c-table__dot--magenta {
  background: var(--magenta);
}

/* ---------- 响应时间 ---------- */
.page-contact .c-sla {
  margin-top: clamp(32px, 5vw, 64px);
  padding-block: clamp(32px, 5vw, 64px);
  border-block: 1px solid var(--line);
  background: linear-gradient(118deg, var(--rail) 0%, var(--panel) 58%, var(--void) 100%);
}

.page-contact .c-sla__bar {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .c-sla__text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .c-sla__stats {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
}

.page-contact .c-sla__stat {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-contact .c-sla__stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .c-sla__stat dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 600;
  color: var(--lime);
}

.page-contact .c-flow {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .c-flow__step {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.page-contact .c-flow__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .c-flow__step h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  margin: 8px 0 6px;
}

.page-contact .c-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .c-sla__foot {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 来函清单 ---------- */
.page-contact .c-brief__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-contact .c-brief__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .c-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .c-brief__list li {
  display: flex;
  gap: 16px;
  padding: 16px 18px;
  background: var(--void);
}

.page-contact .c-brief__num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--terracotta);
}

.page-contact .c-brief__list h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-contact .c-brief__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 地址与到访 ---------- */
.page-contact .c-visit {
  margin-top: clamp(32px, 5vw, 64px);
}

.page-contact .c-visit__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  align-items: stretch;
}

.page-contact .c-visit__map {
  min-height: 220px;
  border: 1px solid var(--line);
  background-color: var(--panel);
  background-image:
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 42px),
    radial-gradient(circle at 62% 44%, rgba(34, 224, 255, 0.5) 0 4px, transparent 5px),
    radial-gradient(circle at 62% 44%, rgba(34, 224, 255, 0.14) 0 54px, transparent 110px);
}

.page-contact .c-visit__addr {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .c-visit__text {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .c-visit__meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

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

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

@media (min-width: 720px) {
  .page-contact .c-table__head {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 2fr);
    gap: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--mist);
  }

  .page-contact .c-table__row,
  .page-contact .c-table__row:first-child {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 2fr);
    gap: 20px;
    align-items: start;
    border-top: 0;
  }

  .page-contact .c-table__need,
  .page-contact .c-table__channel {
    margin-top: 0;
  }
}

@media (min-width: 960px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .c-lanes__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .c-card--mail {
    grid-column: span 5;
  }

  .page-contact .c-card--phone {
    grid-column: span 4;
    margin-top: 28px;
  }

  .page-contact .c-card--addr {
    grid-column: span 3;
    margin-top: 58px;
  }

  .page-contact .c-routes__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .c-sla__bar {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .c-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .c-brief__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .c-visit__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

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