.page-contact {
  --ct-line: rgba(154, 169, 191, 0.24);
  --ct-glass: rgba(232, 238, 247, 0.07);
  --ct-glass-strong: rgba(232, 238, 247, 0.11);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 28px 0 56px;
  overflow: hidden;
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(96deg, rgba(0, 229, 255, 0.07) 0 1px, transparent 1px 96px),
    radial-gradient(120% 90% at 8% 0%, rgba(255, 106, 26, 0.13), transparent 62%);
  pointer-events: none;
}
.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
}
.page-contact .ct-title {
  margin: 14px 0 0;
  font-size: clamp(31px, 6.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  transform: rotate(-1.6deg);
  transform-origin: left bottom;
}
.page-contact .ct-hl {
  position: relative;
  display: inline-block;
  z-index: 0;
  padding: 0 4px;
  color: var(--ink-900);
}
.page-contact .ct-hl::before {
  content: "";
  position: absolute;
  left: -6px;
  right: -6px;
  top: 10%;
  bottom: 6%;
  background: var(--orange);
  transform: skewX(-6deg);
  z-index: -1;
}
.page-contact .ct-lead {
  max-width: 60ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--white);
}
.page-contact .ct-lead--muted {
  margin-top: 12px;
  color: var(--mist);
  font-size: 15px;
}
.page-contact .ct-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.page-contact .ct-quick__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--steel);
  border-radius: 999px;
  background: var(--ct-glass);
  font-size: 13px;
  color: var(--white);
  overflow-wrap: anywhere;
}
.page-contact .ct-hero__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, #0e1f33, #0b1220 60%);
}
.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(0, 229, 255, 0.16), transparent 52%);
  pointer-events: none;
}
.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}
.page-contact .ct-hero__media figcaption {
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid var(--steel);
  background: rgba(11, 18, 32, 0.72);
}

/* ---------- 坐标十字 ---------- */
.page-contact .ct-cross {
  position: relative;
  display: inline-block;
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
}
.page-contact .ct-cross::before,
.page-contact .ct-cross::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}
.page-contact .ct-cross::before {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}
.page-contact .ct-cross::after {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}
.page-contact .ct-cross--lg {
  width: 18px;
  height: 18px;
  margin-bottom: 12px;
}

/* ---------- 章节头 ---------- */
.page-contact .ct-sec-head {
  max-width: 68ch;
}
.page-contact .ct-h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}
.page-contact .ct-sec-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 三条渠道 ---------- */
.page-contact .ct-chlist {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-contact .ct-ch {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.page-contact .ct-ch::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  height: 52px;
  background: var(--orange);
  opacity: 0.14;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.page-contact .ct-ch:hover {
  border-color: var(--cyan);
  background: var(--ink-800);
}
.page-contact .ct-ch--cyan {
  border-top: 2px solid var(--cyan);
}
.page-contact .ct-ch--orange {
  border-top: 2px solid var(--orange);
}
.page-contact .ct-ch--steel {
  border-top: 2px solid var(--mist);
}
.page-contact .ct-ch__head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-contact .ct-ch h3 {
  margin: 14px 0 0;
  font-size: 20px;
  letter-spacing: 0.01em;
}
.page-contact .ct-ch__val {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
  overflow-wrap: anywhere;
}
.page-contact .ct-ch p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}
.page-contact .ct-copy {
  margin-top: 2px;
}

/* ---------- 响应时效色带 ---------- */
.page-contact .ct-sla__grid {
  display: grid;
  gap: 22px;
}
.page-contact .ct-sla__label {
  color: var(--lime);
}
.page-contact .ct-sla__items {
  display: grid;
  gap: 20px;
}
.page-contact .ct-sla__item {
  padding-left: 16px;
  border-left: 2px solid rgba(0, 229, 255, 0.5);
}
.page-contact .ct-sla__item:nth-child(2) {
  border-left-color: var(--orange);
}
.page-contact .ct-sla__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}
.page-contact .ct-sla__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(232, 238, 247, 0.82);
}

/* ---------- 按事项分流 ---------- */
.page-contact .ct-route__grid {
  margin-top: 34px;
  display: grid;
  gap: 30px;
}
.page-contact .ct-route__cards {
  display: grid;
  gap: 18px;
}
.page-contact .ct-tree {
  display: none;
  width: 100%;
  height: auto;
}
.page-contact .ct-item {
  padding: 22px 20px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(16, 27, 46, 0.95), rgba(11, 18, 32, 0.95));
  transition: border-color 0.2s ease;
}
.page-contact .ct-item:hover {
  border-color: rgba(0, 229, 255, 0.55);
}
.page-contact .ct-item__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.page-contact .ct-item__no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
}
.page-contact .ct-item h3 {
  margin: 0;
  font-size: 19px;
}
.page-contact .ct-item__meta {
  margin: 10px 0 12px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}
.page-contact .ct-item > p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .ct-item__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--ct-line);
  padding-top: 14px;
}
.page-contact .ct-item__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--white);
}
.page-contact .ct-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}
.page-contact .ct-route__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-contact .ct-route__media {
  margin: 0;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, #0e3b3e, #0b1220);
}
.page-contact .ct-route__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.92;
}
.page-contact .ct-route__tip {
  margin: 0;
  padding: 16px 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  border-left: 2px solid var(--lime);
  background: var(--ct-glass);
}

/* ---------- 到访与位置 ---------- */
.page-contact .ct-visit {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(80% 70% at 88% 12%, rgba(0, 229, 255, 0.16), transparent 64%),
    radial-gradient(70% 60% at 4% 90%, rgba(255, 106, 26, 0.14), transparent 66%),
    linear-gradient(180deg, #0b1220, #0b2a2e);
}
.page-contact .ct-visit::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(96deg, rgba(232, 238, 247, 0.05) 0 1px, transparent 1px 120px);
  pointer-events: none;
}
.page-contact .ct-visit__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}
.page-contact .ct-visit__body p {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(232, 238, 247, 0.86);
}
.page-contact .ct-visit__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .ct-visit__point {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
  border: 1px solid var(--ct-line);
  border-radius: 10px;
  background: var(--ct-glass);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.page-contact .ct-visit__point strong {
  color: var(--white);
  font-weight: 600;
}
.page-contact .ct-visit__point:hover,
.page-contact .ct-visit__point:focus-within {
  border-color: var(--cyan);
  background: var(--ct-glass-strong);
  transform: translateX(4px);
}
.page-contact .ct-visit__card {
  padding: 22px 20px 24px;
  border: 1px solid rgba(232, 238, 247, 0.18);
  border-radius: var(--radius);
  background: var(--ct-glass-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.page-contact .ct-visit__rows {
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-visit__row {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ct-line);
}
.page-contact .ct-visit__row dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-contact .ct-visit__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}
.page-contact .ct-visit__row dd.mono {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq__list {
  margin-top: 30px;
  max-width: 820px;
  display: grid;
  gap: 10px;
}
.page-contact .ct-faq__list .fold {
  border: 1px solid var(--steel);
  border-radius: 10px;
  background: var(--ink-800);
}
.page-contact .ct-faq__list .fold summary {
  padding: 16px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  border-radius: 10px;
  transition: color 0.2s ease;
}
.page-contact .ct-faq__list .fold summary:hover {
  color: var(--cyan);
}
.page-contact .ct-faq__list .fold__body {
  padding: 0 18px 18px;
}
.page-contact .ct-faq__list .fold__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 尾段继续看 ---------- */
.page-contact .ct-next__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .ct-next__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  border: 1px solid var(--steel);
  border-radius: 10px;
  background: rgba(16, 27, 46, 0.7);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.page-contact .ct-next__list a span {
  color: var(--orange);
  font-family: var(--font-mono);
  flex: 0 0 auto;
}
.page-contact .ct-next__list a:hover,
.page-contact .ct-next__list a:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-sla__items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-visit__points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-visit__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-hero {
    padding: 40px 0 72px;
  }
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }
  .page-contact .ct-hero__media {
    transform: translateY(-18px);
  }
  .page-contact .ct-chlist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-ch {
    padding: 26px 24px 26px;
  }
  .page-contact .ct-tree {
    display: block;
    margin-bottom: 6px;
  }
  .page-contact .ct-route__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 34px;
  }
  .page-contact .ct-route__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-tree {
    grid-column: 1 / -1;
  }
  .page-contact .ct-route__aside {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }
  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }
  .page-contact .ct-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-sla__grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
  .page-contact .ct-visit__card {
    padding: 28px 26px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-title {
    transform: none;
  }
  .page-contact .ct-ch,
  .page-contact .ct-item,
  .page-contact .ct-visit__point,
  .page-contact .ct-next__list a {
    transition: none;
  }
}
<<<END>>>