/* ===========================================================
   联系我们 · page-contact
   =========================================================== */

.page-contact {
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-contact .crumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .crumbs a:hover {
  color: var(--milan-red);
  border-bottom-color: currentColor;
}

.page-contact .crumbs__sep {
  color: var(--grid);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(18px, 4vw, 42px) 0 clamp(36px, 5vw, 64px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  line-height: 1.06;
  letter-spacing: -.03em;
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__panel {
  position: relative;
  background: var(--paper-white);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 22px 22px 20px;
}

.page-contact .contact-hero__panel .kicker {
  margin-bottom: 14px;
}

.page-contact .contact-hero__panel-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--grid);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, .95fr);
    gap: 48px;
    align-items: end;
  }
}

/* ---------- 共用：栏目小标与标题 ---------- */
.page-contact .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.2;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--milan-red);
  border-left: 3px solid var(--milan-red);
  padding-left: 8px;
}

.page-contact .kicker--volt {
  color: var(--volt);
  border-left-color: var(--volt);
}

.page-contact .section-head {
  display: grid;
  gap: 10px;
}

.page-contact .section-head__title {
  font-size: var(--fs-heading-m);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.025em;
  color: var(--ink);
}

.page-contact .section-head__note,
.page-contact .channel-section__hint {
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 值班表 ---------- */
.page-contact .duty-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .duty-list__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--grid);
}

.page-contact .duty-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .duty-list__label {
  font-size: 13px;
  color: var(--steel);
}

.page-contact .duty-list__value {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}

.page-contact .duty-list__item--volt .duty-list__value {
  background: var(--volt);
  color: var(--ink);
  padding: 2px 8px;
  border-radius: 5px;
}

/* ---------- 三条线路 ---------- */
.page-contact .channel-section {
  padding: clamp(34px, 5vw, 64px) 0;
  border-block: var(--bw) solid var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(216, 207, 192, .42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(216, 207, 192, .42) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-contact .channel-section__head {
  padding-bottom: 4px;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}

.page-contact .channel-card--red {
  background: var(--milan-red);
  color: var(--paper-white);
}

.page-contact .channel-card--ink {
  background: var(--ink);
  color: var(--paper-white);
}

.page-contact .channel-card--paper {
  background-color: var(--paper-white);
  background-image:
    linear-gradient(to right, rgba(216, 207, 192, .62) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(216, 207, 192, .62) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
}

.page-contact .channel-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .72;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
}

.page-contact .channel-card__addr {
  margin: 0;
  padding: 9px 11px;
  border-radius: 8px;
  background: rgba(255, 253, 248, .16);
  font-size: 13.5px;
  line-height: 1.55;
  word-break: break-all;
}

.page-contact .channel-card__addr--plain {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  background: rgba(21, 21, 21, .07);
  word-break: normal;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  opacity: .92;
}

.page-contact .channel-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  opacity: .82;
}

.page-contact .channel-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 10px;
}

.page-contact .channel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: 2px solid currentColor;
  border-radius: var(--r-pill);
  background: transparent;
  color: inherit;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}

.page-contact .channel-btn:hover {
  transform: translateY(-2px);
}

.page-contact .channel-card--red .channel-btn:hover,
.page-contact .channel-card--ink .channel-btn:hover {
  background: rgba(255, 253, 248, .18);
}

.page-contact .channel-card--paper .channel-btn:hover {
  background: rgba(21, 21, 21, .08);
}

.page-contact .channel-card--red .channel-btn--solid,
.page-contact .channel-card--ink .channel-btn--solid {
  background: var(--paper-white);
  color: var(--ink);
  border-color: var(--paper-white);
}

.page-contact .channel-card--red .channel-btn--solid:hover,
.page-contact .channel-card--ink .channel-btn--solid:hover {
  background: var(--volt);
  border-color: var(--volt);
}

.page-contact .channel-card--paper .channel-btn--red {
  background: var(--milan-red);
  color: var(--paper-white);
  border-color: var(--milan-red);
}

.page-contact .channel-card--paper .channel-btn--red:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.page-contact .channel-btn:focus-visible,
.page-contact .copy-action:focus-visible {
  outline: 3px solid var(--volt);
  outline-offset: 2px;
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

/* ---------- 邮件场景 ---------- */
.page-contact .mail-section {
  padding: clamp(34px, 5vw, 64px) 0;
}

.page-contact .mail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.page-contact .mail-item {
  position: relative;
  padding: 20px 20px 20px 22px;
  background: var(--paper-white);
  border: var(--bw) solid var(--ink);
  border-left-width: 8px;
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
}

.page-contact .mail-item:nth-child(2n) {
  border-left-color: var(--milan-red);
}

.page-contact .mail-item:nth-child(2n+1) {
  border-left-color: var(--graphite);
}

.page-contact .mail-item__no {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--milan-red);
}

.page-contact .mail-item__title {
  margin: 6px 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .mail-item__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--graphite);
}

@media (min-width: 700px) {
  .page-contact .mail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 电话与通信地址 ---------- */
.page-contact .reach-section {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: var(--bw) solid var(--ink);
}

.page-contact .reach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 26px;
}

.page-contact .reach-stack {
  display: grid;
  gap: 18px;
}

.page-contact .reach-block {
  padding: 20px;
  background: var(--paper-white);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
}

.page-contact .reach-block--ink {
  background: var(--ink);
  color: var(--paper-white);
}

.page-contact .reach-block__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--milan-red);
}

.page-contact .reach-block--ink .reach-block__title {
  color: var(--volt);
}

.page-contact .reach-block__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.25;
  word-break: break-word;
}

.page-contact .reach-block__value--addr {
  font-family: var(--font-body);
  font-size: clamp(17px, 1.9vw, 21px);
  letter-spacing: -.01em;
}

.page-contact .reach-block__hint {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .reach-block--ink .reach-block__hint {
  color: rgba(255, 253, 248, .74);
}

.page-contact .copy-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: 2px solid var(--ink);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .copy-action:hover {
  background: var(--ink);
  color: var(--paper-white);
  transform: translateY(-1px);
}

.page-contact .reach-block--ink .copy-action {
  border-color: var(--paper-white);
  color: var(--paper-white);
}

.page-contact .reach-block--ink .copy-action:hover {
  background: var(--volt);
  border-color: var(--volt);
  color: var(--ink);
}

.page-contact .reach-figure {
  margin: 0;
}

.page-contact .reach-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}

.page-contact .reach-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--steel);
}

@media (min-width: 880px) {
  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 48px;
  }
}

/* ---------- 社群共建 ---------- */
.page-contact .community-section {
  padding: clamp(34px, 5vw, 64px) 0;
  background: var(--ink);
  color: var(--paper-white);
  border-block: var(--bw) solid var(--milan-red);
}

.page-contact .community-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-contact .community-figure {
  margin: 0;
}

.page-contact .community-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--bw) solid var(--paper-white);
  border-radius: var(--r);
}

.page-contact .community-section .section-head__title {
  color: var(--paper-white);
}

.page-contact .community-lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(255, 253, 248, .82);
}

.page-contact .community-stats {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .community-stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(255, 253, 248, .26);
  font-size: 14.5px;
  line-height: 1.62;
  color: rgba(255, 253, 248, .88);
}

.page-contact .community-stats li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .community-stats .mono {
  flex: 0 0 auto;
  min-width: 3ch;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--volt);
}

.page-contact .community-badge {
  display: inline-block;
  margin: 24px 0 0;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  background: var(--amber);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .01em;
}

@media (min-width: 880px) {
  .page-contact .community-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 48px;
  }
}

@media (max-width: 879px) {
  .page-contact .community-figure {
    order: 2;
  }
}

/* ---------- 来信清单 ---------- */
.page-contact .checklist-section {
  padding: clamp(34px, 5vw, 64px) 0;
}

.page-contact .checklist-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-contact .checklist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-contact .checklist li::before {
  content: "";
  grid-row: 1;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: var(--volt);
}

.page-contact .checklist-card {
  padding: 22px;
  background: var(--paper-white);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}

.page-contact .checklist-card__lead {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-contact .checklist-card__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-contact .checklist-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--steel);
}

@media (min-width: 880px) {
  .page-contact .checklist-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(290px, .7fr);
    gap: 48px;
  }
}

/* ---------- 延伸阅读 ---------- */
.page-contact .further-section {
  padding: 0 0 clamp(8px, 2vw, 16px);
}

.page-contact .further-card {
  padding: clamp(20px, 3vw, 28px);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
  background:
    linear-gradient(118deg, rgba(184, 242, 75, .26), transparent 48%),
    var(--paper-white);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .further-card p {
  margin: 0;
  max-width: 78ch;
}

.page-contact .further-card a {
  color: var(--milan-red);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(155, 27, 48, .32);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-contact .further-card a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
<<<END>>>