.page-contact {
  --contact-gap: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 6vw, 76px) clamp(56px, 8vw, 104px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset-inline-end: -18%;
  top: -42%;
  width: min(660px, 78%);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, var(--cyan-soft), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset-inline-start: -8%;
  bottom: -70px;
  width: 46%;
  height: 140px;
  background: linear-gradient(120deg, var(--amber-soft), transparent 72%);
  transform: skewY(-3deg);
  pointer-events: none;
}

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

.page-contact .contact-hero__title {
  margin: 20px 0 0;
  max-width: 14em;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: rgba(250, 247, 239, 0.78);
}

.page-contact .contact-hero__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__strip li {
  padding: 6px 14px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-pill);
  background: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--cyan);
}

/* ---------- 三块通道卡 ---------- */
.page-contact .contact-channels__banner {
  margin: 0 0 clamp(28px, 4vw, 52px);
  border-radius: var(--radius-l);
  overflow: hidden;
}

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

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-m);
  background: linear-gradient(158deg, rgba(23, 64, 47, 0.6), rgba(11, 42, 32, 0.94));
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-contact .contact-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .contact-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .contact-card__value {
  margin: 2px 0 0;
  padding: 10px 12px;
  border: 1px dashed var(--ink-700);
  border-radius: var(--radius-s);
  background: rgba(6, 26, 20, 0.55);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.4vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  word-break: break-all;
  user-select: all;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(250, 247, 239, 0.74);
}

.page-contact .contact-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card__tags li {
  padding: 4px 10px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-pill);
  font-size: 12px;
  line-height: 1.5;
  color: var(--moss);
}

/* ---------- 提问建议 + 受理节奏 ---------- */
.page-contact .contact-ask__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
}

.page-contact .contact-ask__title,
.page-contact .contact-ask__side-title,
.page-contact .contact-address__title {
  color: var(--on-paper);
}

.page-contact .contact-ask__text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--on-paper-soft);
}

.page-contact .contact-ask__disclosure {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-contact .contact-template {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid rgba(12, 35, 24, 0.14);
  border-radius: var(--radius-m);
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.72;
  color: var(--on-paper);
  word-break: break-word;
}

.page-contact .contact-template p {
  margin: 0;
}

.page-contact .contact-template strong {
  color: var(--accent-paper);
  font-weight: 600;
}

.page-contact .contact-hours {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(12, 35, 24, 0.16);
}

.page-contact .contact-hours__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(12, 35, 24, 0.16);
}

.page-contact .contact-hours__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-paper);
}

.page-contact .contact-hours__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--on-paper-soft);
}

/* ---------- 入口指引 ---------- */
.page-contact .contact-entry__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
}

.page-contact .contact-entry__title {
  color: var(--white);
}

.page-contact .contact-entry__lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(250, 247, 239, 0.76);
}

.page-contact .contact-entry__list {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-contact .contact-entry__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .contact-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-contact .contact-entry__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 17px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .contact-entry__link::after {
  content: "→";
  font-size: 14px;
  transition: transform var(--t-fast) var(--ease);
}

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

.page-contact .contact-entry__link:hover::after,
.page-contact .contact-entry__link:focus-visible::after {
  transform: translateX(3px);
}

.page-contact .contact-entry__desc {
  margin: 8px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(250, 247, 239, 0.72);
}

.page-contact .contact-entry__foot {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(250, 247, 239, 0.66);
}

.page-contact .contact-entry__inline {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 154, 46, 0.5);
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .contact-entry__inline:hover,
.page-contact .contact-entry__inline:focus-visible {
  border-bottom-color: var(--amber);
}

.page-contact .contact-entry__figure {
  border-radius: var(--radius-l);
  overflow: hidden;
}

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

/* ---------- 投稿与合作 ---------- */
.page-contact .contact-collab__grid {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .contact-collab__card {
  padding: clamp(20px, 2.4vw, 28px) 0 0;
  border-top: 2px solid var(--ink-700);
}

.page-contact .contact-collab__card:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-contact .contact-collab__card:nth-child(2) {
  border-top-color: var(--amber);
}

.page-contact .contact-collab__card:nth-child(3) {
  border-top-color: var(--red);
}

.page-contact .contact-collab__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-contact .contact-collab__name {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 1.9vw, 23px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .contact-collab__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(250, 247, 239, 0.74);
}

.page-contact .contact-collab__note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--ink-700);
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 通讯地址 ---------- */
.page-contact .contact-address__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4.5vw, 60px);
}

.page-contact .contact-address__text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--on-paper-soft);
}

.page-contact .contact-address__block {
  display: grid;
  gap: 4px;
  margin: 22px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--accent-paper);
  background: var(--paper-2);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  font-style: normal;
}

.page-contact .contact-address__line {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.7;
  color: var(--on-paper);
  word-break: break-word;
}

.page-contact .contact-address__coords {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(12, 35, 24, 0.18);
}

.page-contact .contact-address__coord {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(12, 35, 24, 0.18);
}

.page-contact .contact-address__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.9;
  color: var(--accent-paper);
}

.page-contact .contact-address__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--on-paper);
  word-break: break-word;
}

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

@media (min-width: 900px) {
  .page-contact .contact-ask__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-address__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-entry__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 600px) {
  .page-contact .contact-card__value {
    font-size: 14px;
  }

  .page-contact .contact-entry__head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .page-contact .contact-address__coord {
    grid-template-columns: 4.5em minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-entry__link,
  .page-contact .contact-entry__link::after,
  .page-contact .contact-entry__inline {
    transition: none;
  }

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

  .page-contact .contact-entry__link:hover::after,
  .page-contact .contact-entry__link:focus-visible::after {
    transform: none;
  }
}