.page-contact {
  --ct-gap-lg: clamp(48px, 8vw, 96px);
  --ct-edge-amber: rgba(255, 176, 32, 0.5);
  --ct-edge-cyan: rgba(34, 243, 228, 0.45);
  --ct-edge-magenta: rgba(255, 46, 136, 0.45);
  --ct-surface: rgba(20, 26, 69, 0.55);
  --ct-surface-deep: rgba(6, 8, 24, 0.6);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: 22px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-contact .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .crumbs [aria-current="page"] {
  color: var(--ice);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 clamp(40px, 7vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 90% at 88% 0%, rgba(108, 76, 255, 0.26), transparent 62%),
    radial-gradient(80% 70% at 2% 96%, rgba(255, 176, 32, 0.16), transparent 66%),
    linear-gradient(180deg, rgba(10, 14, 42, 0) 0%, rgba(6, 8, 24, 0.55) 100%);
}
.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
}
.page-contact .ct-hero__wrap {
  position: relative;
  z-index: 1;
}
.page-contact .ct-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-contact .ct-hero__kicker span {
  padding: 2px 8px;
  border: 1px solid var(--ct-edge-amber);
  border-radius: 2px;
  color: var(--amber);
}
.page-contact .ct-hero__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 6.4vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--ice);
  max-width: 18ch;
}
.page-contact .ct-hero__lede {
  margin: 0 0 32px;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  padding-top: 20px;
  font-size: 14px;
  color: var(--mist);
}
.page-contact .ct-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-contact .ct-hero__facts .mono {
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding: var(--ct-gap-lg) 0;
}
.page-contact .sec-head {
  margin-bottom: clamp(24px, 4vw, 44px);
}

/* ---------- 01 自助 ---------- */
.page-contact .ct-self {
  background:
    linear-gradient(180deg, rgba(34, 243, 228, 0.05) 0%, transparent 46%);
}
.page-contact .ct-self__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ct-self;
}
.page-contact .ct-self__step {
  position: relative;
  padding: 22px 20px 22px 64px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ct-edge-cyan);
  box-shadow: var(--shadow-card);
  background: var(--ct-surface);
}
.page-contact .ct-self__no {
  position: absolute;
  left: 20px;
  top: 24px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--violet);
}
.page-contact .ct-self__h {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ice);
}
.page-contact .ct-self__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .ct-self__step a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 243, 228, 0.45);
}
.page-contact .ct-self__step a:hover {
  border-bottom-color: var(--cyan);
  text-shadow: 0 0 12px rgba(34, 243, 228, 0.5);
}

/* ---------- 02 通道 ---------- */
.page-contact .ct-channels {
  background:
    linear-gradient(180deg, transparent 0%, rgba(108, 76, 255, 0.08) 40%, transparent 100%);
}
.page-contact .ct-figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
  padding: 8px;
  background: var(--ct-surface-deep);
  box-shadow: var(--shadow-card);
}
.page-contact .ct-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}
.page-contact .media__cap {
  display: block;
  margin: 12px 4px 4px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .ct-chan {
  position: relative;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--line-strong);
  background: var(--ct-surface);
  box-shadow: var(--shadow-card);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}
.page-contact .ct-chan::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.24s ease;
  box-shadow: inset 0 0 0 1px currentColor;
}
.page-contact .ct-chan--mail {
  color: var(--amber);
  border-top-color: var(--ct-edge-amber);
}
.page-contact .ct-chan--tel {
  color: var(--cyan);
  border-top-color: var(--ct-edge-cyan);
}
.page-contact .ct-chan--coop {
  color: var(--magenta);
  border-top-color: var(--ct-edge-magenta);
}
.page-contact .ct-chan:hover,
.page-contact .ct-chan:focus-within {
  transform: translateY(-4px);
}
.page-contact .ct-chan:hover::before,
.page-contact .ct-chan:focus-within::before {
  opacity: 1;
}
.page-contact .ct-chan__idx {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: inherit;
}
.page-contact .ct-chan__name {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-contact .ct-chan__value {
  margin: 0 0 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.6;
  word-break: break-all;
}
.page-contact .ct-chan__value a {
  color: currentColor;
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  transition: text-shadow 0.2s ease;
}
.page-contact .ct-chan__value a:hover {
  text-shadow: 0 0 14px currentColor;
}
.page-contact .ct-chan__fit {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .ct-chan__when {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-contact .ct-chan__when .mono {
  color: var(--ice);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 03 合作 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .ct-coop__card {
  position: relative;
  padding: 26px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 46, 136, 0.1) 0%, rgba(20, 26, 69, 0.6) 52%);
  box-shadow: var(--shadow-card);
}
.page-contact .ct-coop__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
  border: 1px solid var(--ct-edge-magenta);
  border-radius: 50%;
  color: var(--magenta);
}
.page-contact .ct-coop__h {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--ice);
}
.page-contact .ct-coop__card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .ct-coop__card a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 243, 228, 0.45);
}
.page-contact .ct-coop__need {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--mist);
}
.page-contact .ct-coop__need .mono {
  margin-right: 8px;
  padding: 2px 8px;
  border: 1px solid var(--ct-edge-amber);
  border-radius: 2px;
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.page-contact .ct-coop__tip {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--ct-edge-amber);
  background: rgba(255, 176, 32, 0.08);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ice);
}

/* ---------- 04 寄送与来访 ---------- */
.page-contact .ct-visit {
  background:
    linear-gradient(180deg, transparent 0%, rgba(34, 243, 228, 0.07) 55%, transparent 100%);
}
.page-contact .ct-visit__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.page-contact .ct-visit__fig {
  margin: 0;
  border: 1px solid var(--line);
  padding: 8px;
  background: var(--ct-surface-deep);
  box-shadow: var(--shadow-card);
}
.page-contact .ct-visit__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .ct-visit__list {
  margin: 0 0 20px;
  border-top: 1px solid var(--line);
}
.page-contact .ct-visit__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}
.page-contact .ct-visit__row dt {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.page-contact .ct-visit__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
}
.page-contact .ct-visit__row dd.mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.page-contact .ct-visit__remind {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ct-edge-amber);
  background: var(--ct-surface);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 05 常见问题 ---------- */
.page-contact .ct-faq__list {
  display: grid;
  gap: 12px;
}
.page-contact .ct-faq__item {
  border: 1px solid var(--line);
  background: var(--ct-surface);
  box-shadow: var(--shadow-card);
  transition: border-color 0.22s ease;
}
.page-contact .ct-faq__item:hover {
  border-color: var(--line-strong);
}
.page-contact .ct-faq__item[open] {
  border-color: var(--ct-edge-cyan);
}
.page-contact .ct-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}
.page-contact .ct-faq__item summary::-webkit-details-marker {
  display: none;
}
.page-contact .ct-faq__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}
.page-contact .ct-faq__mark::before,
.page-contact .ct-faq__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.page-contact .ct-faq__mark::before {
  width: 14px;
  height: 2px;
}
.page-contact .ct-faq__mark::after {
  width: 2px;
  height: 14px;
}
.page-contact .ct-faq__item[open] .ct-faq__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}
.page-contact .ct-faq__panel {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--line);
}
.page-contact .ct-faq__panel p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 下一步 ---------- */
.page-contact .ct-next {
  margin-top: clamp(32px, 5vw, 52px);
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--ct-edge-cyan);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(34, 243, 228, 0.14), transparent 62%),
    var(--ct-surface);
  box-shadow: var(--shadow-card);
}
.page-contact .ct-next__k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.page-contact .ct-next__t {
  margin: 0 0 20px;
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--ice);
  max-width: 46ch;
}
.page-contact .ct-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 窄屏护栏 ---------- */
.page-contact img,
.page-contact svg {
  max-width: 100%;
  height: auto;
}
.page-contact .ct-chan__value a,
.page-contact .ct-coop__card p,
.page-contact .ct-visit__row dd {
  overflow-wrap: anywhere;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .ct-hero__facts li {
    flex-direction: column;
    gap: 6px;
  }
  .page-contact .ct-self__steps {
    gap: 20px;
  }
  .page-contact .ct-visit__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 桌面：错位三栏 ---------- */
@media (min-width: 900px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }
  .page-contact .ct-channels__grid > .ct-chan:nth-child(2) {
    transform: translateY(28px);
  }
  .page-contact .ct-channels__grid > .ct-chan:nth-child(2):hover,
  .page-contact .ct-channels__grid > .ct-chan:nth-child(2):focus-within {
    transform: translateY(24px);
  }
  .page-contact .ct-channels__grid > .ct-chan:nth-child(3) {
    transform: translateY(14px);
  }
  .page-contact .ct-channels__grid > .ct-chan:nth-child(3):hover,
  .page-contact .ct-channels__grid > .ct-chan:nth-child(3):focus-within {
    transform: translateY(10px);
  }
  .page-contact .ct-channels__grid {
    padding-bottom: 32px;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-contact .ct-coop__card:nth-child(2) {
    margin-top: 34px;
  }
  .page-contact .ct-coop__card:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .ct-visit__wrap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
  }
  .page-contact .ct-visit__fig {
    position: sticky;
    top: 96px;
  }

  .page-contact .ct-next {
    padding: 34px 32px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
  .page-contact .ct-next__t {
    margin-bottom: 0;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1200px) {
  .page-contact .ct-hero__title {
    max-width: 16ch;
  }
  .page-contact .ct-self__step {
    padding: 28px 26px 28px 76px;
  }
  .page-contact .ct-self__no {
    left: 26px;
    top: 30px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chan,
  .page-contact .ct-chan::before,
  .page-contact .ct-faq__item,
  .page-contact .ct-faq__mark::before,
  .page-contact .ct-faq__mark::after {
    transition: none;
  }
  .page-contact .ct-chan:hover,
  .page-contact .ct-chan:focus-within {
    transform: none;
  }
  .page-contact .ct-channels__grid > .ct-chan:nth-child(2),
  .page-contact .ct-channels__grid > .ct-chan:nth-child(3) {
    transform: none;
  }
}
<<<END>>>