.page-contact {
  --contact-shadow-g: 0 18px 42px -24px rgba(59, 245, 154, 0.38);
  --contact-shadow-o: 0 18px 42px -24px rgba(255, 138, 61, 0.38);
  --contact-shadow-c: 0 18px 42px -24px rgba(95, 216, 255, 0.38);
  --contact-ink-soft: #3b4a63;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 28px;
  padding: 24px 0 44px;
}

.page-contact .contact-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--ff-head);
  font-size: var(--fs-32);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-contact .contact-hero .lead {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-hero__quick li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: rgba(19, 28, 46, 0.55);
  font-size: var(--fs-14);
  color: var(--c-text-soft);
}

.page-contact .contact-hero__num {
  color: var(--c-green);
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
}

.page-contact .contact-hero__visual {
  margin: 0;
  position: relative;
  min-height: 260px;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line);
  overflow: hidden;
  background:
    radial-gradient(circle at 28% 26%, rgba(59, 245, 154, 0.2), transparent 58%),
    radial-gradient(circle at 74% 72%, rgba(255, 138, 61, 0.18), transparent 60%),
    radial-gradient(circle at 50% 50%, rgba(95, 216, 255, 0.12), transparent 70%),
    var(--c-panel-2);
}

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

@media (min-width: 860px) {
  .page-contact .contact-hero {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 56px;
    padding: 40px 0 72px;
  }
  .page-contact .contact-hero h1 {
    font-size: var(--fs-64);
  }
}

@media (min-width: 620px) and (max-width: 859px) {
  .page-contact .contact-hero__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-hero__quick li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    border-radius: var(--r-md);
  }
}

/* ---------- 主区：左右非对称 ---------- */
.page-contact .contact-main {
  display: grid;
  gap: 32px;
  padding-bottom: 72px;
}

.page-contact .contact-main__primary {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-contact .contact-block-head h2 {
  margin: 0 0 8px;
  font-family: var(--ff-head);
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--c-text);
}

.page-contact .contact-block-head p {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--c-muted);
}

@media (min-width: 920px) {
  .page-contact .contact-main {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 通道卡片 ---------- */
.page-contact .channel-card {
  position: relative;
  padding: 26px 24px 26px 30px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-panel);
  overflow: hidden;
  transition: transform 260ms var(--ease), border-color 260ms var(--ease), box-shadow 260ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  background: var(--c-green);
}

.page-contact .channel-card--orange::before { background: var(--c-orange); }
.page-contact .channel-card--cyan::before   { background: var(--c-cyan); }

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-green);
  box-shadow: var(--contact-shadow-g);
}

.page-contact .channel-card--orange:hover {
  border-color: var(--c-orange);
  box-shadow: var(--contact-shadow-o);
}

.page-contact .channel-card--cyan:hover {
  border-color: var(--c-cyan);
  box-shadow: var(--contact-shadow-c);
}

.page-contact .channel-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-contact .channel-card__badge {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--c-green);
  color: var(--c-ink);
  font-family: var(--ff-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
  line-height: 1.6;
}

.page-contact .channel-card__badge--orange { background: var(--c-orange); }
.page-contact .channel-card__badge--cyan   { background: var(--c-cyan); }

.page-contact .channel-card__scope {
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-contact .channel-card h3 {
  margin: 0 0 12px;
  font-family: var(--ff-head);
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--c-text);
}

.page-contact .channel-card p {
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-contact .channel-card p:last-child { margin-bottom: 0; }

.page-contact .channel-card a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 180ms var(--ease);
}

.page-contact .channel-card a:hover { color: var(--c-green); }

.page-contact .channel-card__value {
  display: inline-block;
  max-width: 100%;
  padding: 12px 18px;
  border: 1px dashed var(--c-line);
  border-radius: var(--r-md);
  background: rgba(11, 18, 32, 0.72);
  color: var(--c-green);
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-contact .channel-card--orange .channel-card__value { color: var(--c-orange); }
.page-contact .channel-card--cyan   .channel-card__value { color: var(--c-cyan); }

/* ---------- 右栏信息块 ---------- */
.page-contact .contact-main__side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-contact .side-block {
  padding: 24px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-panel-2);
}

.page-contact .side-block__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--ff-head);
  font-size: var(--fs-17);
  line-height: 1.4;
  color: var(--c-text);
}

.page-contact .side-block__title::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-contact .side-block p {
  margin: 0 0 12px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-contact .side-block p:last-child { margin-bottom: 0; }

.page-contact .side-block a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 180ms var(--ease);
}

.page-contact .side-block a:hover { color: var(--c-green); }

.page-contact .side-block__note {
  padding-left: 12px;
  border-left: 2px solid var(--c-line);
  font-size: var(--fs-13);
  color: var(--c-muted);
  line-height: 1.7;
}

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

.page-contact .side-list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--c-text-soft);
}

.page-contact .side-list li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-green);
}

.page-contact .side-figure {
  margin: 4px 0 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-panel);
}

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

/* ---------- 浅面板：备案与归属 ---------- */
.page-contact .side-block--paper {
  background: var(--c-paper);
  border-color: var(--c-paper);
}

.page-contact .side-block--paper .side-block__title { color: var(--c-ink); }
.page-contact .side-block--paper .side-block__title::before { background: var(--c-ink); }
.page-contact .side-block--paper p { color: var(--contact-ink-soft); }

.page-contact .side-block--paper .side-block__note {
  border-left-color: rgba(11, 18, 32, 0.22);
  color: #5a6a83;
}

.page-contact .fact-list {
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .fact-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(11, 18, 32, 0.16);
}

.page-contact .fact-list > div:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-contact .fact-list dt {
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: #5a6a83;
  white-space: nowrap;
}

.page-contact .fact-list dd {
  margin: 0;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--c-ink);
  text-align: right;
  word-break: break-all;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card a,
  .page-contact .side-block a {
    transition: none;
  }
  .page-contact .channel-card:hover { transform: none; }
}
</main-css-placeholder>