.page-contact {
  --pc-ink: #06110E;
  --pc-panel: rgba(18, 59, 50, 0.82);
  --pc-side: rgba(15, 42, 36, 0.94);
  --pc-shadow: 0 26px 64px -34px rgba(0, 0, 0, 0.9);
  --pc-pad: clamp(18px, 3.4vw, 34px);
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--text);
  background:
    radial-gradient(1000px 560px at 88% -8%, rgba(44, 245, 212, 0.10), transparent 68%),
    radial-gradient(760px 460px at 2% 34%, rgba(124, 92, 255, 0.09), transparent 70%);
}

.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .crumb a {
  color: var(--mint);
  text-decoration: none;
}

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

.page-contact .crumb-sep {
  color: rgba(168, 255, 233, 0.35);
}

/* ---------- 首屏拼贴 ---------- */
.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .hero-rail {
  order: 2;
}

.page-contact .hero-panel {
  order: 1;
}

.page-contact .hero-panel {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #071310;
  box-shadow: var(--pc-shadow);
}

.page-contact .hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-contact .hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(158deg, rgba(6, 17, 14, 0.28), rgba(6, 17, 14, 0.95) 74%);
}

.page-contact .hero-body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--pc-pad);
}

.page-contact .hero-body h1 {
  margin: 10px 0 0;
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(31px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-contact .hero-lede {
  margin-top: 14px;
  max-width: 54ch;
  font-size: 15.5px;
  color: rgba(217, 237, 231, 0.86);
}

.page-contact .quick-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  overflow: hidden;
  border: 1px solid rgba(233, 245, 241, 0.26);
  border-radius: var(--r-md);
  background: rgba(168, 255, 233, 0.2);
}

.page-contact .quick-item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: rgba(233, 245, 241, 0.92);
}

.page-contact .quick-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: #2A5A50;
}

.page-contact .quick-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  font-weight: 600;
  color: #08201A;
  word-break: break-word;
}

/* 通道索引竖排 */
.page-contact .hero-rail {
  position: relative;
  padding: var(--pc-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(168deg, rgba(18, 59, 50, 0.94), rgba(15, 42, 36, 0.72));
}

.page-contact .hero-rail::before {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 26px;
  height: 26px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: 0.7;
}

.page-contact .rail-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .rail-list a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc";
  gap: 3px 12px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(10, 15, 13, 0.46);
  text-decoration: none;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .rail-list a:hover,
.page-contact .rail-list a:focus-visible {
  border-color: rgba(44, 245, 212, 0.55);
  background: rgba(18, 59, 50, 0.7);
  transform: translateX(3px);
}

.page-contact .rail-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .rail-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan);
  line-height: 1.2;
}

.page-contact .rail-name {
  grid-area: name;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #EAFBF5;
}

.page-contact .rail-desc {
  grid-area: desc;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-contact .rail-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(168, 255, 233, 0.18);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 4vw, 40px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(172deg, var(--pc-panel), rgba(10, 15, 13, 0.92));
  overflow: hidden;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: -34px;
  right: -34px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(44, 245, 212, 0.18), transparent 70%);
  pointer-events: none;
}

.page-contact .channel-card .tag {
  align-self: flex-start;
}

.page-contact .channel-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(217, 237, 231, 0.82);
}

.page-contact .tick-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .tick-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .tick-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.page-contact .channel-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--muted);
}

.page-contact .channel-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 245, 212, 0.4);
}

.page-contact .channel-foot a:hover,
.page-contact .channel-foot a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 斜切联系条 ---------- */
.page-contact .direct-slab {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(6px, 1vw, 12px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(126deg, rgba(15, 42, 36, 0.96), rgba(10, 15, 13, 0.92));
  box-shadow: var(--pc-shadow);
}

.page-contact .direct-main {
  padding: var(--pc-pad);
}

.page-contact .direct-main h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-contact .direct-main > p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(217, 237, 231, 0.82);
}

.page-contact .contact-list {
  display: grid;
  gap: 2px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
}

.page-contact .contact-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-contact .contact-row dd {
  margin: 0;
  display: grid;
  gap: 5px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 1.8vw, 17px);
  font-weight: 600;
  color: #EAFBF5;
  word-break: break-word;
}

.page-contact .contact-hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .direct-side {
  padding: var(--pc-pad);
  background: linear-gradient(150deg, rgba(44, 245, 212, 0.14), rgba(18, 59, 50, 0.62));
  border-top: 1px solid rgba(44, 245, 212, 0.3);
}

.page-contact .direct-big {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .direct-caption {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(217, 237, 231, 0.82);
}

/* ---------- 反馈准备 ---------- */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(22px, 4vw, 38px);
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 16px 16px 14px;
  border-left: 2px solid rgba(44, 245, 212, 0.55);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: linear-gradient(90deg, rgba(18, 59, 50, 0.78), rgba(18, 59, 50, 0.08));
}

.page-contact .prep-idx {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .prep-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #EAFBF5;
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(217, 237, 231, 0.78);
}

.page-contact .prep-more {
  margin-top: 12px;
  padding: 0;
  background: rgba(18, 59, 50, 0.52);
}

.page-contact .prep-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #EAFBF5;
}

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

.page-contact .prep-more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
}

.page-contact .prep-more[open] summary::after {
  content: "–";
}

.page-contact .prep-more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .prep-more p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .prep-side {
  align-self: start;
  background: linear-gradient(160deg, rgba(15, 42, 36, 0.9), rgba(10, 15, 13, 0.88));
}

.page-contact .prep-side h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

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

.page-contact .side-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(217, 237, 231, 0.8);
}

.page-contact .side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
}

.page-contact .side-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 245, 212, 0.4);
}

.page-contact .side-list a:hover,
.page-contact .side-list a:focus-visible {
  color: var(--mint);
}

/* ---------- 合作方向 ---------- */
.page-contact .partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 36px);
  align-items: center;
}

.page-contact .partners-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-contact .partner-list {
  display: grid;
  gap: 2px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-list li {
  display: grid;
  gap: 5px;
  padding: 14px 0 14px 16px;
  border-left: 1px solid rgba(124, 92, 255, 0.6);
}

.page-contact .partner-name {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #EAFBF5;
}

.page-contact .partner-meta {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .partners-note {
  margin: clamp(18px, 3vw, 26px) 0 22px;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(18, 59, 50, 0.55);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(217, 237, 231, 0.82);
}

.page-contact .partners-media {
  width: 100%;
  border: 1px solid var(--line);
}

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

/* ---------- 常用入口 ---------- */
.page-contact .links-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: var(--pc-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(120deg, rgba(18, 59, 50, 0.66), rgba(10, 15, 13, 0.9)),
    repeating-linear-gradient(90deg, transparent 0 46px, rgba(168, 255, 233, 0.06) 46px 47px);
}

.page-contact .links-bar h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-contact .section-note {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .link-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .link-pills .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .quick-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .prep-list {
    gap: 14px;
  }

  .page-contact .links-bar {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 26px;
    align-items: stretch;
  }

  .page-contact .hero-rail {
    order: 1;
  }

  .page-contact .hero-panel {
    order: 2;
    min-height: 552px;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .partners-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-contact .direct-slab {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.95fr);
  }

  .page-contact .direct-side {
    padding-left: calc(var(--pc-pad) + 28px);
    border-top: 0;
    border-left: 1px solid rgba(44, 245, 212, 0.34);
    clip-path: polygon(7% 0, 100% 0, 100% 100%, 0 100%);
    margin-left: -3%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rail-list a {
    transition: none;
  }

  .page-contact .rail-list a:hover,
  .page-contact .rail-list a:focus-visible {
    transform: none;
  }
}
<<<END>>>