.page-contact {
  --pc-line: var(--line-700);
  --pc-soft: #7FA79B;
  --pc-gap: clamp(20px, 3.5vw, 44px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 32px) 0 clamp(44px, 7vw, 88px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(22, 74, 61, 0.34) 0 1px,
    transparent 1px 104px
  );
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .contact-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .hero-grid {
  display: grid;
  gap: 26px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-contact .hero-main .lede {
  margin-top: 18px;
  max-width: 46ch;
}

.page-contact .shift-card {
  display: grid;
  gap: 6px;
  padding: 22px 24px 24px;
  background: var(--layer-800);
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--round-500);
}

.page-contact .shift-card__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--index-600);
  text-transform: uppercase;
}

.page-contact .shift-card__v {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.1;
  color: var(--round-500);
  letter-spacing: 0.02em;
}

.page-contact .shift-card__n {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pc-soft);
}

/* ---------- 区块标题 ---------- */
.page-contact .sec-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .sec-head .lede {
  max-width: 48ch;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .channel-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--pc-line);
}

.page-contact .channel {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 26px 0 28px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .channel__id {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--index-600);
}

.page-contact .channel__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin: 2px 0 6px;
  color: var(--signal-400);
  border: 1px solid var(--pc-line);
  border-radius: 0;
}

.page-contact .channel__label {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mist-200);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.6;
  color: var(--archive-050);
  overflow-wrap: anywhere;
}

.page-contact .channel__meta {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-soft);
  max-width: 34ch;
}

.page-contact .channels-figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: 1px solid var(--pc-line);
}

/* ---------- 问题描述 ---------- */
.page-contact .brief-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

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

.page-contact .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0 24px;
  border-top: 1px solid var(--pc-line);
}

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

.page-contact .step__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--round-500);
}

.page-contact .step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--archive-050);
}

.page-contact .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-soft);
  max-width: 54ch;
}

.page-contact .brief-side {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  align-content: start;
}

.page-contact .mail-card {
  display: grid;
  gap: 12px;
  padding: 18px 20px 22px;
  background: var(--base-900);
  border: 1px solid var(--pc-line);
}

.page-contact .mail-card__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .mail-card__dot {
  width: 8px;
  height: 8px;
  flex: none;
  background: var(--signal-400);
}

.page-contact .mail-card__label {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--index-600);
}

.page-contact .mail-card__subject {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--signal-400);
  overflow-wrap: anywhere;
}

.page-contact .mail-card__fill {
  color: var(--round-500);
}

.page-contact .mail-card__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .brief-figure {
  margin: 0;
  border: 1px solid var(--pc-line);
}

/* ---------- 入口与数据类问题 ---------- */
.page-contact .section--paper {
  background: var(--archive-050);
  color: var(--base-900);
  --pc-line: #C3D5CD;
  --pc-soft: #46635B;
}

.page-contact .section--paper .h2,
.page-contact .section--paper .h3,
.page-contact .section--paper .eyebrow {
  color: var(--base-900);
}

.page-contact .section--paper .lede {
  color: #3C574F;
}

.page-contact .contact-routes {
  padding-top: clamp(48px, 7vw, 84px);
  padding-bottom: clamp(48px, 7vw, 84px);
}

.page-contact .route-grid {
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .route-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 26px 22px 30px;
  background: var(--archive-050);
  border-left: 3px solid var(--line-700);
}

.page-contact .route-card:last-child {
  border-left-color: var(--round-500);
}

.page-contact .route-tag {
  justify-self: start;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--archive-050);
  background: var(--line-700);
}

.page-contact .route-tag--amber {
  background: var(--round-500);
  color: var(--base-900);
}

.page-contact .route-card .h3 {
  margin: 2px 0 0;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.35;
}

.page-contact .route-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-soft);
}

.page-contact .route-card__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .route-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pc-soft);
}

.page-contact .route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background: var(--signal-400);
}

.page-contact .route-card:last-child .route-card__list li::before {
  background: var(--round-500);
}

/* ---------- 到访与寄送 ---------- */
.page-contact .contact-visit {
  padding-top: clamp(48px, 7vw, 84px);
  padding-bottom: clamp(48px, 7vw, 84px);
}

.page-contact .visit-grid {
  display: grid;
  gap: 28px;
}

.page-contact .visit-addr {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--round-500);
  max-width: 30ch;
}

.page-contact .visit-text {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-soft);
  max-width: 54ch;
}

.page-contact .visit-aside {
  padding: 22px 22px 24px;
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--signal-400);
  background: var(--layer-800);
}

.page-contact .visit-aside__t {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mist-200);
}

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

.page-contact .visit-aside__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .visit-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--signal-400);
}

/* ---------- 其他入口 ---------- */
.page-contact .contact-else {
  padding-top: clamp(48px, 7vw, 84px);
  padding-bottom: clamp(48px, 7vw, 84px);
}

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

.page-contact .else-link {
  display: grid;
  gap: 8px;
  align-content: start;
  height: 100%;
  padding: 22px 22px 24px;
  background: var(--layer-800);
  border-left: 2px solid transparent;
  text-decoration: none;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .else-link__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--index-600);
}

.page-contact .else-link__t {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--archive-050);
}

.page-contact .else-link__d {
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .else-link__go {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--signal-400);
}

.page-contact .else-link:hover,
.page-contact .else-link:focus-visible {
  background: var(--base-900);
  border-left-color: var(--signal-400);
  transform: translateY(-2px);
}

.page-contact .else-link:focus-visible {
  outline: 2px solid var(--focus-300);
  outline-offset: -2px;
}

/* ---------- 收束 ---------- */
.page-contact .contact-foot {
  padding: clamp(28px, 4vw, 44px) 0 clamp(36px, 5vw, 56px);
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-foot__inner {
  display: grid;
  gap: 12px;
}

.page-contact .contact-foot__lead {
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
  color: var(--archive-050);
  max-width: 52ch;
}

.page-contact .contact-foot__anchor {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--index-600);
}

.page-contact .contact-foot__anchor .num {
  font-family: var(--font-mono);
  color: var(--round-500);
  margin-right: 8px;
}

/* ---------- 图片通用 ---------- */
.page-contact .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .else-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .channel-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel {
    border-bottom: 0;
    padding: 32px 28px 34px 0;
  }

  .page-contact .channel + .channel {
    border-left: 1px solid var(--pc-line);
    padding-left: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 52px;
    align-items: end;
  }

  .page-contact .sec-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .sec-head .lede {
    margin: 0 0 4px;
  }

  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
  }

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

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .else-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-contact .else-link:hover,
  .page-contact .else-link:focus-visible {
    transform: none;
  }
}