.page-contact {
  --contact-field-bg: #FFFFFF;
  --contact-gap: clamp(36px, 6vw, 76px);
  padding-bottom: 80px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 26px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 88px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 14em;
}

.page-contact .contact-hero__body {
  margin-top: 22px;
}

.page-contact .contact-hero__lede {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 40em;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 6px 16px;
  border: var(--border-1);
  border-radius: var(--radius-pill);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .contact-hero__fact-label {
  font-family: var(--font-mono);
  color: var(--noise);
  letter-spacing: 0.06em;
}

.page-contact .contact-hero__fact-value {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .contact-hero__figure {
  margin: 28px 0 0;
  aspect-ratio: 16 / 9;
}

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

/* ---------- 问题类型分段 ---------- */
.page-contact .contact-triage {
  margin-top: var(--contact-gap);
}

.page-contact .triage {
  margin-top: 26px;
  border: var(--border-2);
  background: var(--paper);
  box-shadow: var(--shadow-2);
}

.page-contact .triage__tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: var(--border-2);
}

.page-contact .triage__tab {
  flex: 1 1 auto;
  min-height: 52px;
  padding: 12px 16px;
  border: 0;
  border-bottom: var(--border-1);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-contact .triage__tab:last-child {
  border-bottom: 0;
}

.page-contact .triage__tab[aria-selected="true"] {
  background: var(--night);
  color: var(--paper-on-night);
}

.page-contact .triage__tab:focus-visible {
  outline: 3px solid var(--spot);
  outline-offset: -3px;
}

.page-contact .triage__panel {
  padding: 22px 20px 26px;
}

.page-contact .triage__panel[hidden] {
  display: none;
}

.page-contact .triage__panel-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .triage__panel p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 46em;
}

.page-contact .triage__needs {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .triage__needs li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .triage__needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  background: var(--spot);
  border: 1px solid var(--ink);
}

/* ---------- 左右硬边框分栏 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: 36px;
  margin-top: var(--contact-gap);
}

.page-contact .contact-split__left,
.page-contact .contact-split__right {
  min-width: 0;
}

.page-contact .contact-format {
  margin-top: 34px;
}

.page-contact .block-title {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 6px solid var(--grass);
  font-family: var(--font-display);
  font-size: clamp(21px, 3.6vw, 26px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* 联系通道定义列表 */
.page-contact .channel-list {
  margin: 0;
  border-top: var(--border-1);
}

.page-contact .channel-list__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ash);
}

.page-contact .channel-list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--grass);
}

.page-contact .channel-list dd {
  margin: 0;
}

.page-contact .channel-list__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .channel-list__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--noise);
  max-width: 42em;
}

.page-contact .contact-channels__boundary {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: var(--border-1);
  border-left: 6px solid var(--app);
  background: var(--app-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* 格式条目 */
.page-contact .format-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: fmt;
  display: grid;
  gap: 18px;
}

.page-contact .format-steps li {
  counter-increment: fmt;
  padding-left: 40px;
  position: relative;
}

.page-contact .format-steps li::before {
  content: counter(fmt, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--spot);
}

.page-contact .format-steps__title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .format-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 40em;
}

.page-contact .format-hint {
  margin: 22px 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--noise);
}

.page-contact .codeblock {
  margin: 0;
  padding: 18px 20px;
  border: var(--border-2);
  box-shadow: var(--shadow-2);
  background: var(--night);
  color: var(--paper-on-night);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.95;
  overflow-x: auto;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

.page-contact .codeblock--paper {
  background: var(--paper);
  color: var(--ink);
  user-select: all;
}

.page-contact .codeblock:focus-visible {
  outline: 3px solid var(--spot);
  outline-offset: 3px;
}

.page-contact .format-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--noise);
}

.page-contact .contact-format__figure {
  margin: 24px 0 0;
}

/* ---------- 右栏 ---------- */
.page-contact .contact-template__lede,
.page-contact .contact-check__lede {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 40em;
}

.page-contact .contact-template__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--noise);
}

.page-contact .contact-check {
  margin-top: 34px;
  padding: 22px 20px 26px;
  border: var(--border-1);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.page-contact .field {
  margin-top: 20px;
}

.page-contact .field label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--noise);
}

.page-contact .field__control input {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  border: var(--border-1);
  border-radius: 0;
  background: var(--contact-field-bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  transition: box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .field__control input:focus {
  outline: none;
  border-color: var(--spot);
  box-shadow: 0 0 0 3px var(--spot);
}

.page-contact .field__hint {
  display: none;
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
}

.page-contact .field__hint--error {
  color: var(--app);
}

.page-contact .field__hint--ok {
  color: var(--grass);
}

.page-contact .field__control input:invalid:not(:placeholder-shown) ~ .field__hint--error {
  display: block;
}

.page-contact .field__control input:valid:not(:placeholder-shown) ~ .field__hint--ok {
  display: block;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  margin-top: var(--contact-gap);
  padding: 26px 20px 30px;
  border: var(--border-2);
  background: var(--turf);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-flow .ledger li {
  padding-bottom: 22px;
}

.page-contact .contact-flow .ledger__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .contact-flow__cta {
  margin: 6px 0 0;
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-links {
  margin-top: var(--contact-gap);
}

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

.page-contact .contact-links__list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: var(--border-1);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .contact-links__list a span {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--noise);
}

.page-contact .contact-links__list a:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-2);
  background: var(--turf);
}

.page-contact .contact-links__list a:focus-visible {
  outline: 3px solid var(--spot);
  outline-offset: 3px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-list__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-contact .triage__tabs {
    flex-wrap: nowrap;
  }

  .page-contact .triage__tab {
    border-bottom: 0;
    border-right: var(--border-1);
  }

  .page-contact .triage__tab:last-child {
    border-right: 0;
  }

  .page-contact .triage__panel {
    padding: 26px 26px 30px;
  }

  .page-contact .contact-check,
  .page-contact .contact-flow {
    padding: 28px 26px 32px;
  }

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

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    grid-template-areas:
      "eyebrow figure"
      "title figure"
      "body figure";
    column-gap: 48px;
    row-gap: 0;
    align-items: start;
  }

  .page-contact .contact-hero > .eyebrow {
    grid-area: eyebrow;
  }

  .page-contact .contact-hero__title {
    grid-area: title;
  }

  .page-contact .contact-hero__body {
    grid-area: body;
    margin-top: 24px;
  }

  .page-contact .contact-hero__figure {
    grid-area: figure;
    margin: 26px 0 0;
    aspect-ratio: auto;
    align-self: stretch;
    min-height: 340px;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-split__left > .contact-channels {
    position: sticky;
    top: 108px;
  }

  .page-contact .contact-format {
    margin-top: 44px;
  }

  .page-contact .contact-check {
    margin-top: 44px;
  }
}

@media (min-width: 1280px) {
  .page-contact .contact-links__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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