.page-contact {
  --contact-grid-line: rgba(53, 242, 201, .055);
  --contact-card-bg: #0B2E28;
  --contact-gap: clamp(20px, 4vw, 48px);

  background-color: var(--ink);
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  background-position: -1px -1px;
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-contact .breadcrumbs a:focus-visible,
.page-contact .copy-btn:focus-visible,
.page-contact .panel-trigger:focus-visible,
.page-contact .route-row__jump:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 通用区块 ---------- */
.page-contact .section {
  padding-block: clamp(36px, 6vw, 76px);
}

.page-contact .field-label {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
}

.page-contact .block-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3.5vw, 40px);
}

.page-contact .block-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.8vw, 42px);
  line-height: 1.14;
  letter-spacing: .01em;
}

.page-contact .block-head__sub {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3.5vw, 44px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-hero__text h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.2vw, 72px);
  line-height: 1.02;
  letter-spacing: .01em;
  text-transform: uppercase;
}

.page-contact .contact-hero__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--paper);
  opacity: .9;
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-tags li {
  padding: 6px 12px;
  border: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .contact-hero__media {
  margin: 0;
  border: var(--rule) solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

/* ---------- 联系路径 + 分流说明 ---------- */
.page-contact .contact-desk__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .path-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .path-card {
  position: relative;
  padding: 22px 22px 22px 30px;
  border: var(--rule) solid var(--line);
  background: var(--contact-card-bg);
  box-shadow: var(--shadow-hard);
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .path-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--cyan);
}

.page-contact .path-card__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-contact .path-card__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.page-contact .path-card__value-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 10px 0 12px;
}

.page-contact .path-card__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .path-card__value--plain {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--paper);
}

.page-contact .copy-btn {
  padding: 6px 12px;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--cyan);
  color: var(--ink);
}

.page-contact .copy-hint {
  display: none;
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cyan);
}

.page-contact .copy-hint[data-open] {
  display: inline-block;
}

.page-contact .path-card__hint {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  transition: opacity .25s var(--ease);
}

/* ---------- 分流板 ---------- */
.page-contact .route-board {
  padding: clamp(18px, 3vw, 26px);
  border: var(--rule) solid var(--line);
  background: rgba(11, 46, 40, .78);
  box-shadow: var(--shadow-hard);
}

.page-contact .route-rows {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-row {
  display: grid;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 2px solid var(--line);
}

.page-contact .route-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .route-row__q {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .lane {
  justify-self: start;
  padding: 4px 10px;
  border: 2px solid currentColor;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-contact .lane--mail { color: var(--cyan); }
.page-contact .lane--tel { color: var(--orange); }
.page-contact .lane--addr { color: var(--mist); }

.page-contact .route-row__jump {
  justify-self: start;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-contact .route-row__jump:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 受理范围 ---------- */
.page-contact .scope-grid {
  display: grid;
  gap: 18px;
}

.page-contact .scope-card {
  padding: 22px 20px;
  border: var(--rule) solid var(--line);
  border-top: var(--rule) solid var(--orange);
  background: var(--contact-card-bg);
}

.page-contact .scope-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: .05em;
}

.page-contact .scope-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .scope-card--time {
  border-top-color: var(--cyan);
}

.page-contact .scope-card--time p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .scope-card--time b {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .scope-card--time a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

/* ---------- 记录反馈 ---------- */
.page-contact .field-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule) solid var(--line);
}

.page-contact .field-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 2px solid var(--line);
}

.page-contact .field-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .field-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  letter-spacing: .02em;
}

.page-contact .field-item p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .panel-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 12px 18px;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-contact .panel-trigger::after {
  content: "＋";
  font-size: 14px;
}

.page-contact .panel-trigger[aria-expanded="true"]::after {
  content: "－";
}

.page-contact .panel-trigger:hover {
  background: var(--cyan);
  color: var(--ink);
}

.page-contact .feedback-note {
  display: none;
  margin-top: 16px;
  padding: 20px;
  border: 2px solid var(--line);
  border-left: 5px solid var(--cyan);
  background: var(--contact-card-bg);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .feedback-note[data-open] {
  display: block;
}

.page-contact .feedback-note p {
  margin: 0;
  max-width: 70ch;
}

.page-contact .data-footnote {
  margin: 26px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .data-footnote a,
.page-contact .coop-foot a,
.page-contact .contact-mail__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-contact .data-footnote a:hover,
.page-contact .coop-foot a:hover,
.page-contact .contact-mail__foot a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 合作与投稿 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-coop__media {
  margin: 0;
  border: var(--rule) solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

.page-contact .coop-body h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.16;
}

.page-contact .coop-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-list li {
  padding: 14px 18px;
  border-left: 5px solid var(--orange);
  background: rgba(27, 31, 75, .55);
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .coop-list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-contact .coop-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 邮寄说明 ---------- */
.page-contact .contact-mail {
  padding-block: clamp(52px, 9vw, 110px);
}

.page-contact .contact-mail__inner {
  max-width: 900px;
}

.page-contact .contact-mail h2 {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 48px);
  line-height: 1.12;
}

.page-contact .contact-mail__addr {
  margin: 0 0 clamp(28px, 5vw, 48px);
  padding-left: 18px;
  border-left: 5px solid var(--orange);
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 26px);
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .mail-cols {
  display: grid;
  gap: 26px;
}

.page-contact .mail-col h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-contact .mail-col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-mail__foot {
  margin-top: clamp(28px, 4vw, 44px);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 悬停细节（仅指针设备） ---------- */
@media (hover: hover) {
  .page-contact .path-card:hover {
    transform: translateY(-4px);
    border-color: var(--cyan);
    box-shadow: 6px 6px 0 rgba(0, 0, 0, .55);
  }

  .page-contact .path-card__hint {
    opacity: .68;
  }

  .page-contact .path-card:hover .path-card__hint {
    opacity: 1;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .route-row {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 14px;
  }
}

@media (min-width: 720px) {
  .page-contact .field-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .scope-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: center;
  }

  .page-contact .mail-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: center;
  }

  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}