.page-contact {
  --ct-line: 1px solid var(--grid);
  --ct-pad: 22px;
  background: var(--ink);
  color: var(--paper);
}

.page-contact h2 {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 14px;
}

.page-contact h3 {
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.page-contact figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  padding-top: 10px;
}

/* ===== 顶部框架色带 ===== */
.contact-band {
  border-bottom: var(--ct-line);
  background:
    linear-gradient(115deg, rgba(20, 184, 196, 0.16) 0%, rgba(11, 26, 51, 0) 58%),
    var(--ink-2);
  padding: 16px 0;
}

.band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
}

.band-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.band-time {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}

.band-time .mono {
  color: var(--yellow);
  font-weight: 600;
}

.band-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumbs {
  padding-top: 22px;
}

/* ===== 首屏 ===== */
.contact-hero {
  padding: 26px 0 44px;
}

.hero-grid {
  display: grid;
  gap: 30px;
}

.hero-main h1 {
  font-size: 33px;
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 18ch;
}

.hero-main .lead {
  max-width: 620px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-side {
  border: var(--ct-line);
  background: var(--ink-2);
  padding: var(--ct-pad);
  border-left: 3px solid var(--cyan);
}

.hero-side dl {
  margin: 0;
  display: grid;
  gap: 18px;
}

.hero-side dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.hero-side dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.hero-side dd.plain {
  font-family: var(--font-sans);
  font-weight: 700;
}

/* ===== 联系渠道 ===== */
.contact-channels {
  padding: 8px 0 52px;
}

.ch-head {
  max-width: 720px;
  margin-bottom: 26px;
}

.section-intro {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  margin: 0;
}

.ch-grid {
  display: grid;
  gap: 28px;
}

.ch-cards {
  display: grid;
  gap: 16px;
  align-content: start;
}

.ch-card {
  border: var(--ct-line);
  background: var(--ink-2);
  padding: var(--ct-pad);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.ch-card:hover {
  border-color: var(--cyan);
}

.ch-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  margin: 0 0 12px;
}

.ch-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 1px 6px;
}

.ch-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--yellow);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.ch-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.ch-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--grid);
  display: grid;
  gap: 8px;
}

.ch-list li {
  position: relative;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.ch-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.ch-media {
  margin: 0;
}

/* ===== 反馈要素面板 ===== */
.fb-panel {
  border: var(--ct-line);
  border-top: 3px solid var(--yellow);
  background: var(--ink-2);
  padding: var(--ct-pad);
}

.fb-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.fb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.fb-list li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--grid);
}

.fb-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.fb-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-soft);
  padding-top: 3px;
  font-variant-numeric: tabular-nums;
}

.fb-name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
  color: var(--paper);
}

.fb-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ===== 机构与合作（反白区） ===== */
.contact-org {
  background: var(--paper-light);
  color: var(--ink-2);
  padding: 52px 0;
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.org-grid {
  display: grid;
  gap: 32px;
}

.org-eyebrow {
  color: var(--ink);
}

.contact-org h2 {
  color: var(--ink);
  max-width: 20ch;
}

.org-lead {
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 24px;
  max-width: 660px;
}

.org-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.org-points li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
}

.org-point-mark {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--cyan);
}

.org-points h3 {
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--ink);
}

.org-points p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.org-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.org-side {
  border: 1px solid var(--grid);
  background: var(--paper);
  padding: var(--ct-pad);
  align-self: start;
}

.org-side-title {
  font-size: 17px;
  margin: 0 0 14px;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

.org-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.org-side-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.org-side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.org-side-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--grid);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ===== 回复安排 ===== */
.contact-sla {
  padding: 52px 0;
}

.sla-grid {
  display: grid;
  gap: 34px;
}

.sla-lead {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 620px;
}

.sla-tags {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.sla-tags li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

.flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--grid);
}

.flow-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 0 0 26px 26px;
  position: relative;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-dot {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

.flow-step:first-child .flow-dot {
  background: var(--orange);
}

.flow-name {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.flow-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ===== 通信地址 ===== */
.contact-address {
  padding: 0 0 52px;
}

.addr-grid {
  display: grid;
  gap: 28px;
  border-top: var(--ct-line);
  padding-top: 44px;
}

.addr-line {
  margin: 0 0 16px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.6;
  color: var(--yellow);
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
}

.addr-desc {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 560px;
}

.addr-media {
  margin: 0;
}

/* ===== 先看指南 ===== */
.contact-guide {
  padding: 0 0 64px;
}

.guide-head {
  border-top: var(--ct-line);
  padding-top: 44px;
  margin-bottom: 24px;
  max-width: 720px;
}

.guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--grid);
}

.guide-list li {
  border-bottom: 1px solid var(--grid);
}

.guide-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
  padding: 20px 4px;
  text-decoration: none;
  color: inherit;
  transition: background-color 200ms var(--ease);
}

.guide-list a:hover,
.guide-list a:focus-visible {
  background: var(--ink-2);
}

.guide-name {
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.guide-desc {
  grid-column: 1 / 2;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.guide-go {
  grid-row: 1 / 3;
  grid-column: 2 / 3;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.guide-foot {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 640px;
}

/* ===== 平板与桌面 ===== */
@media (min-width: 720px) {
  .page-contact h2 {
    font-size: 30px;
  }

  .contact-hero {
    padding: 34px 0 56px;
  }

  .hero-main h1 {
    font-size: 44px;
  }

  .ch-cards {
    grid-template-columns: 1fr 1fr;
  }

  .contact-org,
  .contact-sla {
    padding: 64px 0;
  }

  .guide-list a {
    grid-template-columns: minmax(220px, 280px) 1fr auto;
    align-items: center;
    padding: 22px 6px;
  }

  .guide-desc {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
  }

  .guide-go {
    grid-row: 1 / 2;
  }
}

@media (min-width: 1024px) {
  .page-contact h2 {
    font-size: 34px;
  }

  .hero-grid {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
    gap: 48px;
  }

  .hero-main h1 {
    font-size: 52px;
  }

  .ch-grid {
    grid-template-columns: 7fr 5fr;
    gap: 32px;
    align-items: start;
  }

  .ch-cards {
    grid-template-columns: 1fr;
    grid-column: 1 / 2;
  }

  .ch-media {
    grid-column: 1 / 2;
  }

  .fb-panel {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
  }

  .org-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 56px;
  }

  .sla-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .addr-grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
    gap: 48px;
  }
}