.page-contact {
  --pc-wrap: 1400px;
  --pc-gap: clamp(16px, 2.4vw, 28px);
  color: var(--fg);
}

.page-contact .contact-wrap {
  width: min(100% - 32px, var(--pc-wrap));
  margin-inline: auto;
}

.page-contact .contact-crumb {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-tracks,
.page-contact .contact-channels,
.page-contact .contact-flow,
.page-contact .contact-hours,
.page-contact .contact-next {
  padding: clamp(40px, 6vw, 80px) 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: clamp(20px, 3vw, 38px) 0 clamp(30px, 4.5vw, 54px);
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 12px;
}

.page-contact .contact-hero .title-xl {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 22ch;
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 64ch;
  color: var(--fg-soft);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 2.4vw, 34px);
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
}

.page-contact .contact-quick li {
  display: grid;
  gap: 4px;
  padding-left: 13px;
  border-left: 2px solid var(--cyan);
}

.page-contact .quick-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .quick-val {
  font-family: var(--font-score);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.01em;
}

/* ---------- 错层合作卡片 ---------- */

.page-contact .track-stack {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .track-card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 22px 44px -34px rgba(0, 0, 0, 0.9);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .track-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(180deg, rgba(53, 232, 210, 0.1), transparent 46%);
  transition: opacity 0.35s var(--ease);
}

.page-contact .track-card:hover::after,
.page-contact .track-card:focus-within::after {
  opacity: 1;
}

.page-contact .track-card:nth-child(1) { border-left: 2px solid var(--cyan); }
.page-contact .track-card:nth-child(2) { border-left: 2px solid var(--amber); }
.page-contact .track-card:nth-child(3) { border-left: 2px solid var(--cyan-soft); }
.page-contact .track-card:nth-child(4) { border-left: 2px solid var(--amber); }

.page-contact .track-card .index-tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .track-card .title-md {
  margin: 0 0 10px;
}

.page-contact .track-who {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cyan-soft);
}

.page-contact .track-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-soft);
}

.page-contact .track-more {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-contact .track-more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .track-more summary::-webkit-details-marker {
  display: none;
}

.page-contact .track-more summary::before {
  content: "+";
  display: inline-block;
  width: 1.1em;
  color: var(--amber);
}

.page-contact .track-more[open] summary::before {
  content: "\2212";
}

.page-contact .track-more ul {
  margin: 14px 0 0;
  padding-left: 1.15em;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-soft);
}

@media (min-width: 900px) {
  .page-contact .track-stack {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-contact .track-card:nth-child(1) { grid-column: 1 / span 6; }
  .page-contact .track-card:nth-child(2) { grid-column: 7 / span 6; margin-top: 64px; }
  .page-contact .track-card:nth-child(3) { grid-column: 1 / span 6; }
  .page-contact .track-card:nth-child(4) { grid-column: 7 / span 6; margin-top: 64px; }
}

/* ---------- 图片 ---------- */

.page-contact .contact-figure {
  margin: clamp(30px, 4.5vw, 56px) 0 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

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

.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 区块标题 ---------- */

.page-contact .section-head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-contact .section-head .index-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .section-head .title-lg {
  margin: 0 0 10px;
}

.page-contact .section-note {
  margin: 0;
  max-width: 62ch;
  line-height: 1.8;
  color: var(--fg-soft);
}

/* ---------- 联系渠道 ---------- */

.page-contact .contact-channels {
  background: linear-gradient(90deg, rgba(53, 232, 210, 0.08), rgba(11, 26, 46, 0) 62%);
}

.page-contact .channel-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .channel-dl {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .channel-row {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

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

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

.page-contact .mono-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .mono-value--plain {
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--fg);
}

.page-contact .channel-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-soft);
  background: rgba(53, 232, 210, 0.07);
  border-left: 2px solid var(--cyan);
}

@media (min-width: 640px) {
  .page-contact .channel-row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: clamp(14px, 2vw, 26px);
  }
}

@media (min-width: 960px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

/* ---------- 流程 ---------- */

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .flow-step {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .flow-idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-score);
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-contact .flow-title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  font-style: normal;
  color: var(--fg);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-soft);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  border-color: rgba(245, 180, 67, 0.55);
  transform: translateY(-3px);
}

@media (min-width: 880px) {
  .page-contact .flow-list {
    --flow-gap: clamp(16px, 2vw, 26px);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--flow-gap);
  }
  .page-contact .flow-step::after {
    content: "";
    position: absolute;
    top: 44px;
    right: calc(-1 * var(--flow-gap));
    width: var(--flow-gap);
    height: 2px;
    background: var(--amber);
  }
  .page-contact .flow-step:last-child::after {
    display: none;
  }
}

/* ---------- 服务时间 ---------- */

.page-contact .hours-panel {
  padding: clamp(24px, 4vw, 46px);
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}

.page-contact .hours-panel .index-tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .hours-panel .title-lg {
  margin: 0 0 12px;
  color: var(--ink-text);
}

.page-contact .hours-lede {
  margin: 0;
  max-width: 60ch;
  line-height: 1.85;
  color: #33445a;
}

.page-contact .hours-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .hours-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: space-between;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(20, 32, 46, 0.14);
}

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

.page-contact .hours-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #5c6b7d;
}

.page-contact .hours-val {
  font-family: var(--font-score);
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--ink-text);
}

/* ---------- 先逛逛 ---------- */

.page-contact .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .next-links li {
  background: var(--ink-900);
}

.page-contact .next-links a {
  display: block;
  padding: clamp(18px, 2.4vw, 26px);
  color: var(--fg);
  text-decoration: none;
  transition: background 0.25s var(--ease);
}

.page-contact .next-title {
  display: block;
  margin-bottom: 5px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
}

.page-contact .next-desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-soft);
  transition: color 0.25s var(--ease);
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  background: rgba(53, 232, 210, 0.1);
}

.page-contact .next-links a:hover .next-title,
.page-contact .next-links a:focus-visible .next-title {
  color: var(--cyan);
}

.page-contact .next-links a:hover .next-desc,
.page-contact .next-links a:focus-visible .next-desc {
  color: var(--cyan-soft);
}

@media (min-width: 720px) {
  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-contact .next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}