.page-contact {
  --c-panel: var(--navy);
  --c-line: rgba(45, 245, 196, 0.16);
  --c-line-soft: rgba(143, 166, 191, 0.18);
  --c-gap: 18px;
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

.page-contact .content-shell {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-block: 30px 0;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 92% -10%, rgba(45, 245, 196, 0.13), transparent 58%),
    var(--ink);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  right: -130px;
  top: -90px;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(45, 245, 196, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -36px;
  top: 46px;
  width: 200px;
  height: 200px;
  border: 1px dashed rgba(255, 122, 47, 0.3);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 16px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 56px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-contact .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
  opacity: 0.88;
}

/* ---------- 联系信息卡 ---------- */

.page-contact .contact-channels {
  display: grid;
  gap: 12px;
  margin-top: 26px;
  padding-bottom: 34px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 16px 15px;
  background: var(--c-panel);
  border: 1px solid var(--c-line-soft);
  border-left: 3px solid var(--cyan);
  border-radius: 0;
  text-decoration: none;
  color: var(--white);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact a.channel-card:hover,
.page-contact a.channel-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--track);
}

.page-contact .channel-card--plain {
  border-left-color: var(--orange);
}

.page-contact .channel-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--wrap {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--white);
}

.page-contact .channel-card__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */

.page-contact .contact-body {
  padding-block: 40px;
}

.page-contact .contact-grid {
  display: grid;
  gap: 24px;
}

.page-contact .contact-panel {
  position: relative;
  margin-bottom: 20px;
  padding: 22px 18px 24px;
  background: var(--c-panel);
  border: 1px solid var(--c-line-soft);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .contact-panel:last-child {
  margin-bottom: 0;
}

.page-contact .contact-panel__head {
  margin-bottom: 16px;
}

.page-contact .contact-panel__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-contact .contact-panel h2 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.2vw, 30px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-contact .contact-panel__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 模板代码块 ---------- */

.page-contact .contact-template {
  margin: 0;
  padding: 16px 14px;
  background: var(--ink);
  border-left: 3px solid var(--cyan);
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.95;
  color: var(--white);
}

.page-contact .contact-template code {
  font-family: inherit;
}

/* ---------- 图片 ---------- */

.page-contact .contact-figure {
  margin: 18px 0 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--c-line-soft);
}

.page-contact .contact-figure .visual-frame__caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 步骤条 ---------- */

.page-contact .report-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0 0 0 24px;
  position: relative;
}

.page-contact .report-steps::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(45, 245, 196, 0.08));
}

.page-contact .report-step {
  position: relative;
  padding-bottom: 20px;
}

.page-contact .report-step:last-child {
  padding-bottom: 0;
}

.page-contact .report-step__dot {
  position: absolute;
  left: -24px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(45, 245, 196, 0.14);
}

.page-contact .report-step--action .report-step__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.16);
}

.page-contact .report-step h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .report-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 侧栏 ---------- */

.page-contact .contact-grid__side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .side-card {
  padding: 16px 16px 17px;
  background: var(--c-panel);
  border: 1px solid var(--c-line-soft);
  border-top: 2px solid var(--cyan);
}

.page-contact .side-card--links {
  border-top-color: var(--violet);
}

.page-contact .side-card__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .side-card__big {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .side-card__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .side-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px;
}

.page-contact .side-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .side-links .text-link {
  display: inline-block;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 245, 196, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .side-links .text-link:hover,
.page-contact .side-links .text-link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 问题分流 ---------- */

.page-contact .contact-router {
  padding-block: 8px 40px;
}

.page-contact .contact-router .section-heading h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-contact .router-grid {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .router-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line-soft);
  border-left: 2px solid var(--orange);
}

.page-contact .router-card h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .router-card p {
  margin: 0;
  flex: 1;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .router-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 本地节点 ---------- */

.page-contact .contact-nodes {
  padding-block: 0 52px;
}

.page-contact .nodes-grid {
  display: grid;
  gap: 24px;
  padding: 24px 18px;
  background:
    linear-gradient(160deg, rgba(23, 59, 92, 0.55), rgba(7, 20, 39, 0.2) 60%),
    var(--navy);
  border: 1px solid var(--c-line);
}

.page-contact .nodes-copy h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-contact .nodes-copy p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--white);
  opacity: 0.86;
}

.page-contact .nodes-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .nodes-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .nodes-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .nodes-list__k {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--yellow);
}

.page-contact .nodes-grid .contact-figure {
  margin: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-channels .channel-card--plain {
    grid-column: 1 / -1;
  }

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

@media (min-width: 760px) {
  .page-contact .contact-hero {
    padding-block: 44px 0;
  }

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

  .page-contact .contact-channels .channel-card--plain {
    grid-column: auto;
  }

  .page-contact .contact-panel {
    padding: 26px 24px 28px;
  }

  .page-contact .contact-channels {
    margin-top: 32px;
    padding-bottom: 44px;
  }

  .page-contact .nodes-grid {
    padding: 32px 28px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-body {
    padding-block: 56px;
  }

  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-grid__side {
    position: sticky;
    top: 24px;
  }

  .page-contact .router-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .nodes-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
    align-items: center;
    padding: 40px 36px;
  }
}

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

  .page-contact a.channel-card:hover,
  .page-contact a.channel-card:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>