.page-contact {
  --cc-cut: 14px;
  --cc-gap: 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(22px, 4vw, 46px);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-l);
  align-items: start;
  margin-top: 20px;
}

.page-contact .contact-hero-main .eyebrow {
  margin: 0 0 10px;
}

.page-contact .contact-hero-main h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .contact-hero-main .section-lead {
  margin: 0 0 22px;
  max-width: 42ch;
  color: var(--text-2);
}

.page-contact .hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 在线情况小卡 ---------- */
.page-contact .contact-status {
  padding: 20px 20px 22px;
  background: var(--glass);
  border: 1px solid var(--edge);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
}

.page-contact .contact-status .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

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

.page-contact .status-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--edge);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-contact .status-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .status-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-yellow);
  padding-top: 2px;
}

/* ---------- 联系渠道三卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap);
  margin-top: 26px;
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 22px 20px 28px;
  background: var(--surface);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
  transition: transform 190ms var(--ease), border-color 190ms var(--ease), background-color 190ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--cc-accent, var(--c-red));
}

.page-contact .channel-card--mail { --cc-accent: var(--c-red); }
.page-contact .channel-card--phone { --cc-accent: var(--c-yellow); }
.page-contact .channel-card--addr { --cc-accent: var(--c-ok); }

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--c-yellow);
  background: rgba(18, 35, 61, 0.92);
}

.page-contact .channel-card:focus-visible {
  outline: 2px solid var(--c-yellow);
  outline-offset: 2px;
}

.page-contact .channel-tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-contact .channel-name {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .channel-value {
  display: block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--c-yellow);
  word-break: break-word;
}

.page-contact .channel-card--addr .channel-value {
  font-size: 0.94rem;
  color: var(--c-pale);
}

.page-contact .channel-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .channel-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--edge);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
}

/* ---------- 图文区块 ---------- */
.page-contact .contact-figure {
  margin: 30px 0 0;
  background: var(--glass);
  border: 1px solid var(--edge);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
}

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

.page-contact .contact-figure .media-caption {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--edge);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-3);
}

.page-contact .contact-figure--slim {
  margin-top: 24px;
}

/* ---------- 入口紧急问题 ---------- */
.page-contact .urgent-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-l);
  margin-top: 26px;
  align-items: start;
}

.page-contact .urgent-sub {
  margin: 0 0 16px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

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

.page-contact .urgent-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .urgent-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  font-size: 13px;
  color: var(--c-red);
  border: 1px solid var(--edge);
  background: rgba(226, 58, 46, 0.1);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-contact .urgent-strong {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .urgent-list li p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

/* 邮件撰写示意 */
.page-contact .mail-brief {
  background: var(--bg);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cc-cut)), calc(100% - var(--cc-cut)) 100%, 0 100%);
}

.page-contact .mail-brief-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(226, 58, 46, 0.12);
  border-bottom: 1px solid var(--edge);
}

.page-contact .mail-brief-note {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.page-contact .mail-brief-body {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.page-contact .mail-line {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
  word-break: break-word;
}

.page-contact .mail-key {
  color: var(--c-yellow);
  letter-spacing: 0.06em;
}

/* ---------- 合作与选题 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap);
  margin-top: 24px;
}

.page-contact .coop-card {
  position: relative;
  padding: 24px 22px 20px;
  background: var(--glass);
  border: 1px solid var(--edge);
}

.page-contact .coop-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 56px;
  height: 3px;
  background: var(--c-yellow);
}

.page-contact .coop-title {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .coop-text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .coop-tail {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--edge);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-3);
}

/* ---------- 服务信息条 ---------- */
.page-contact .service-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 18px;
  padding: 20px 0;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.page-contact .service-item dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-yellow);
}

.page-contact .service-item dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-contact .contact-crosslinks {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--text-3);
}

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

.page-contact .contact-crosslinks a:hover {
  color: var(--c-yellow);
}

.page-contact .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 420px) {
  .page-contact .channel-card {
    padding: 20px 16px 18px 22px;
  }

  .page-contact .mail-line {
    grid-template-columns: 44px 1fr;
    gap: 8px;
    font-size: 12.5px;
  }

  .page-contact .contact-hero-main h1 {
    font-size: 1.9rem;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .service-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
  }

  .page-contact .urgent-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 34px;
  }

  .page-contact .contact-figure--slim {
    margin-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    transition: none;
  }

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