.page-contact {
  color: var(--cream);
  padding-bottom: 0;
}

.page-contact a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact a:hover {
  color: var(--ember);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--lime);
}

/* ---------- 页头 ---------- */
.page-contact .contact-head {
  display: grid;
  gap: 26px;
  padding-block: 36px 4px;
}

.page-contact .contact-head__lead,
.page-contact .contact-head__side {
  min-width: 0;
}

.page-contact .contact-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 8.4vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.005em;
  color: var(--cream);
}

.page-contact .contact-head .eyebrow {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .contact-lede {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--cream);
  max-width: 46ch;
}

.page-contact .status-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .status-dot {
  width: 9px;
  height: 9px;
  flex: none;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 244, 78, 0.16);
}

/* ---------- 横向图片带 ---------- */
.page-contact .contact-strip {
  margin: 34px auto 0;
}

.page-contact .contact-strip .media-frame {
  border: 1px solid var(--turf);
}

.page-contact .contact-strip .media-frame__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 主分栏 ---------- */
.page-contact .contact-stage {
  display: grid;
  gap: var(--gap);
  margin-top: 28px;
}

/* 联系方式面板 */
.page-contact .reach {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 16px;
  align-content: start;
  padding: var(--pad-card);
  background: var(--pitch);
  border: 1px solid var(--turf);
}

.page-contact .reach::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.page-contact .reach > * {
  position: relative;
}

.page-contact .reach h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.6vw, 32px);
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .reach__list {
  display: grid;
  gap: 20px;
  margin-top: 4px;
}

.page-contact .reach__item {
  display: grid;
  gap: 7px;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
}

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

.page-contact .reach__value {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(19px, 4.2vw, 33px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cream);
  word-break: break-word;
  user-select: all;
}

.page-contact .reach__value::selection {
  background: var(--lime);
  color: var(--ink);
}

.page-contact .reach__hours {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-contact .reach__hint {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--grid);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 纠错步骤面板 */
.page-contact .steps {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: var(--pad-card);
  border: 1px solid var(--turf);
  background-image: linear-gradient(180deg, rgba(30, 83, 64, 0.5), rgba(12, 19, 16, 0) 58%);
}

.page-contact .steps h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.6vw, 32px);
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .steps__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 52ch;
}

.page-contact .steps__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  counter-reset: step;
}

.page-contact .steps__list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--grid);
}

.page-contact .steps__list li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .steps__list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

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

/* 发信清单 */
.page-contact .mail-kit {
  margin-top: 10px;
  padding: 20px;
  border: 1px dashed var(--turf);
  background: rgba(30, 83, 64, 0.24);
}

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

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

.page-contact .mail-kit__list label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
  cursor: pointer;
}

.page-contact .mail-kit__list input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  position: relative;
  border: 1px solid var(--turf);
  background: var(--ink);
  cursor: pointer;
}

.page-contact .mail-kit__list input[type="checkbox"]:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .mail-kit__list input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .mail-kit__list input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .mail-kit__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 协作 ---------- */
.page-contact .collab {
  margin-top: 68px;
}

.page-contact .collab h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.1;
  letter-spacing: 0.005em;
  color: var(--cream);
  max-width: 20ch;
}

.page-contact .collab__lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cream);
}

.page-contact .collab__grid {
  display: grid;
  gap: var(--gap);
  margin-top: 28px;
}

.page-contact .collab-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 26px;
  border: 1px solid var(--turf);
  border-top-width: 2px;
  background: rgba(18, 58, 44, 0.3);
}

.page-contact .collab-card:nth-child(1) {
  border-top-color: var(--lime);
}

.page-contact .collab-card:nth-child(2) {
  border-top-color: var(--teal);
}

.page-contact .collab-card:nth-child(3) {
  border-top-color: var(--ember);
}

.page-contact .collab-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--cream);
}

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

.page-contact .collab-card ul {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .collab-card li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream);
}

.page-contact .collab-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--amber);
}

.page-contact .collab__foot {
  margin: 24px 0 0;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应预期 ---------- */
.page-contact .reply {
  margin-top: 70px;
  display: grid;
  gap: var(--gap);
}

.page-contact .reply__media {
  min-width: 0;
}

.page-contact .reply__media .media-frame {
  border: 1px solid var(--turf);
}

.page-contact .reply__body {
  min-width: 0;
}

.page-contact .reply__body h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: 0.005em;
  color: var(--cream);
}

.page-contact .reply__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-contact .reply__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--grid);
}

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

.page-contact .reply__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
}

.page-contact .reply__body > p {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 信息带 ---------- */
.page-contact .info-band {
  margin-top: 72px;
  padding-block: 40px 56px;
  background: var(--pitch);
  border-top: 1px solid var(--lime);
}

.page-contact .info-band__title {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .info-band__grid {
  display: grid;
  gap: 14px;
}

.page-contact .tag-block {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 20px;
  border: 1px solid var(--turf);
}

.page-contact .tag-block__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .tag-block__value {
  font-size: 15px;
  line-height: 1.65;
  color: var(--cream);
  word-break: break-word;
}

.page-contact .info-band__note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .media-frame--5x3 {
  aspect-ratio: 5 / 3;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .mail-kit__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
    padding-block: 64px 8px;
  }

  .page-contact .collab__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-contact .collab-card:first-child {
    grid-row: span 2;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-stage {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .reply {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .info-band__grid {
    grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr) minmax(0, 1.35fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }
}