.page-contact {
  --contact-line: rgba(34, 211, 238, 0.28);
  --contact-line-violet: rgba(168, 85, 247, 0.3);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(88px, 15vh, 148px);
}

.page-contact .contact-hero__head {
  max-width: 62ch;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.05rem, 6.2vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 20px;
}

.page-contact .contact-hero .lede {
  max-width: 60ch;
  color: var(--text);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
}

.page-contact .contact-hero__figure {
  margin: clamp(30px, 5vw, 54px) 0 0;
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* ---------- 联系渠道 + 咨询分类 ---------- */

.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 6vw, 56px);
}

.page-contact .contact-split__col .section-title {
  margin-top: 10px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-left-width: 5px;
  border-left-color: var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .channel-card:nth-child(2) {
  border-left-color: var(--violet);
}

.page-contact .channel-card:nth-child(3) {
  border-left-color: var(--amber);
}

.page-contact .channel-key {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 2.6vw, 1.34rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--mail {
  color: var(--cyan);
  font-size: clamp(0.88rem, 2.2vw, 1.12rem);
}

.page-contact .channel-value--sm {
  font-size: clamp(0.98rem, 2.2vw, 1.14rem);
}

.page-contact .channel-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 咨询分类 */

.page-contact .topic-list {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.page-contact .topic {
  background: var(--panel);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.25s var(--ease);
}

.page-contact .topic[open] {
  border-color: var(--violet);
}

.page-contact .topic__summary {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--white);
}

.page-contact .topic__summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic__summary::after {
  content: "+";
  grid-column: 3;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--violet);
}

.page-contact .topic[open] .topic__summary::after {
  content: "\2212";
  color: var(--amber);
}

.page-contact .topic__index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .topic__title {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact .topic__hint {
  display: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .topic__body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--edge);
}

.page-contact .topic__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 响应时间带 ---------- */

.page-contact .contact-window__head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .contact-window__head .lede {
  color: var(--text);
}

.page-contact .timeline__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 18px;
}

.page-contact .timeline__slot {
  position: relative;
  padding-top: 24px;
  border-top: 2px solid var(--edge);
}

.page-contact .timeline__slot::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px var(--contact-line);
}

.page-contact .timeline__slot:last-child::before {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.18);
}

.page-contact .timeline__hour {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-contact .timeline__text {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-window__figure {
  margin: clamp(34px, 5vw, 52px) 0 0;
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
  overflow: hidden;
}

/* ---------- 合作与内容互认 ---------- */

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .partner-grid__lead .prose {
  margin-top: 18px;
  color: var(--text);
  line-height: 1.85;
}

.page-contact .partner-figures {
  display: grid;
  gap: 12px;
}

.page-contact .figure-cell {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-top: 4px solid var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .figure-cell--violet {
  border-top-color: var(--violet);
}

.page-contact .figure-cell--amber {
  border-top-color: var(--amber);
}

.page-contact .figure-num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4vw, 2.1rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1;
}

.page-contact .figure-label {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-contact .partner-prep {
  margin-top: clamp(32px, 5vw, 52px);
  padding: clamp(22px, 3.4vw, 32px);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(168, 85, 247, 0.09));
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .partner-prep__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  letter-spacing: -0.01em;
  color: var(--white);
}

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

.page-contact .prep-item {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .prep-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .prep-item:nth-child(2)::before {
  background: var(--violet);
}

.page-contact .prep-item:nth-child(3)::before {
  background: var(--amber);
}

.page-contact .prep-item:nth-child(4)::before {
  background: var(--green);
}

/* ---------- 通信与备案信息条 ---------- */

.page-contact .contact-foot__title {
  margin-bottom: 20px;
}

.page-contact .info-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--edge);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .info-bar__item {
  display: grid;
  gap: 6px;
  padding: 16px 20px;
  background: var(--panel);
}

.page-contact .info-bar__key {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .info-bar__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .info-bar__value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .contact-foot__note {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 80ch;
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--violet);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 700px) {
  .page-contact .topic__hint {
    display: block;
  }

  .page-contact .topic__summary {
    grid-template-columns: 2.2em minmax(0, 1fr) auto auto;
    padding: 18px 22px;
  }

  .page-contact .topic__summary::after {
    grid-column: 4;
  }

  .page-contact .topic__body {
    padding: 0 22px 20px;
  }

  .page-contact .info-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-split {
    grid-template-columns: 1fr 1.08fr;
    align-items: start;
    gap: clamp(38px, 5.5vw, 70px);
  }

  .page-contact .timeline__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 30px;
  }

  .page-contact .timeline__slot {
    border-top-color: transparent;
    padding-top: 38px;
  }

  .page-contact .timeline__track::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--violet) 62%, var(--amber));
    opacity: 0.75;
  }

  .page-contact .timeline__track {
    position: relative;
  }

  .page-contact .timeline__slot::before {
    top: 0;
    box-shadow: 0 0 0 4px var(--void), 0 0 0 6px var(--contact-line);
  }

  .page-contact .timeline__slot:last-child::before {
    box-shadow: 0 0 0 4px var(--void), 0 0 0 6px rgba(245, 158, 11, 0.22);
  }

  .page-contact .partner-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-contact .partner-figures {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 32px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__figure {
    margin-top: clamp(40px, 5vw, 62px);
  }

  .page-contact .partner-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .figure-cell {
    padding: 22px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic,
  .page-contact .inline-link {
    transition: none;
  }
}
</final>
<<<END>>>