.page-contact {
  --ct-gap: clamp(20px, 4vw, 34px);
  --ct-pad: clamp(18px, 3vw, 26px);
  --ct-accent: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(34px, 6vw, 72px);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% 0;
  background:
    radial-gradient(58% 62% at 88% 6%, rgba(255, 77, 157, .20), transparent 62%),
    radial-gradient(52% 58% at 2% 24%, rgba(49, 225, 225, .17), transparent 64%),
    radial-gradient(46% 54% at 46% 100%, rgba(255, 181, 71, .13), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 46px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .ct-hero h1 {
  font-size: clamp(2.3rem, 7.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--ice);
  margin: 0 0 clamp(14px, 2.5vw, 22px);
}

.page-contact .ct-hero .lede {
  max-width: 46ch;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-media {
  overflow: hidden;
  border-radius: calc(var(--r) - 4px);
  background: linear-gradient(150deg, var(--ink-2), rgba(27, 78, 122, .55));
}

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

.page-contact .ct-media--5x4 { aspect-ratio: 5 / 4; }
.page-contact .ct-media--3x1 { aspect-ratio: 3 / 1; min-height: 132px; }

.page-contact .ct-hero__fig {
  margin: 0;
  position: relative;
}

.page-contact .ct-hero__fig::after {
  content: "";
  position: absolute;
  left: -10px;
  top: 18px;
  bottom: 34px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--magenta) 52%, var(--amber));
  opacity: .85;
}

/* ---------- 章节标题 ---------- */
.page-contact .ct-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .ct-sec-head h2 {
  font-size: clamp(1.55rem, 3.6vw, 2.45rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: 8px 0 12px;
}

.page-contact .ct-sec-head .lede {
  color: var(--mist);
  line-height: 1.75;
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-chan {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--ct-pad);
  border-top: 3px solid var(--ct-accent);
  position: relative;
  overflow: hidden;
}

.page-contact .ct-chan::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 90px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--ct-accent) 16%, transparent), transparent);
  pointer-events: none;
}

.page-contact .ct-chan--mail { --ct-accent: var(--cyan); }
.page-contact .ct-chan--tel { --ct-accent: var(--amber); }
.page-contact .ct-chan--inbox { --ct-accent: var(--magenta); }

.page-contact .ct-chan__code {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--ct-accent);
  margin: 0;
}

.page-contact .ct-chan h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ice);
  margin: 0;
  letter-spacing: -.01em;
}

.page-contact .ct-chan__key {
  font-size: clamp(.92rem, 2.5vw, 1.05rem);
  color: var(--ct-accent);
  margin: 0;
  word-break: break-word;
  line-height: 1.5;
}

.page-contact .ct-chan__desc {
  color: var(--mist);
  line-height: 1.72;
  font-size: .95rem;
  margin: 0;
}

.page-contact .ct-chan__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-contact .ct-chan__list li {
  position: relative;
  padding-left: 18px;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--ice);
}

.page-contact .ct-chan__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .58em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--ct-accent);
  transform: rotate(45deg);
  opacity: .9;
}

/* ---------- 服务时段刻度 ---------- */
.page-contact .ct-scale {
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(19, 43, 77, .92), rgba(11, 27, 51, .55));
}

.page-contact .ct-scale__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}

.page-contact .ct-scale__label {
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--ice);
}

.page-contact .ct-scale__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--mint);
}

.page-contact .ct-scale__live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(46, 230, 168, .5);
  animation: ct-pulse 2.4s ease-in-out infinite;
}

.page-contact .ct-scale__bar {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(148, 170, 200, .14);
  overflow: hidden;
}

.page-contact .ct-scale__fill {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--mid) 48%, var(--amber) 100%);
  transform-origin: left center;
  animation: ct-fill 720ms cubic-bezier(.2, .7, .3, 1) both;
}

.page-contact .ct-scale__marks {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  margin-top: 10px;
}

.page-contact .ct-mark {
  position: relative;
  display: block;
  text-align: center;
  padding: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--mist);
  outline-offset: 3px;
  cursor: default;
}

.page-contact .ct-mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 5px;
  background: var(--line);
  transform: translateX(-50%);
}

.page-contact .ct-mark[data-tip] {
  color: var(--ice);
  cursor: help;
}

.page-contact .ct-mark[data-tip]::before {
  background: var(--cyan);
  height: 7px;
}

.page-contact .ct-mark[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
  width: max-content;
  max-width: 190px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--ice);
  font-family: inherit;
  font-size: .72rem;
  line-height: 1.55;
  letter-spacing: 0;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) ease, transform var(--dur) ease;
  z-index: 6;
}

.page-contact .ct-mark[data-tip]:hover::after,
.page-contact .ct-mark[data-tip]:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-contact .ct-mark:focus-visible {
  outline: 2px solid var(--cyan);
  border-radius: 4px;
}

.page-contact .ct-hours__cards {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-hours__cards li {
  padding: var(--ct-pad);
}

.page-contact .ct-hours__num {
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--amber);
  margin: 0 0 8px;
}

.page-contact .ct-hours__cards h3 {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ice);
  margin: 0 0 8px;
}

.page-contact .ct-hours__cards p {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--mist);
  margin: 0;
}

.page-contact .ct-hours__fig {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

/* ---------- 提反馈前的准备 ---------- */
.page-contact .ct-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

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

.page-contact .ct-prep__list li {
  position: relative;
  padding: 14px 16px 14px 16px;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(19, 43, 77, .62), rgba(19, 43, 77, 0));
  border-radius: 0 10px 10px 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ice);
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-contact .ct-prep__list li:hover {
  border-left-color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .ct-prep__tag {
  display: inline-block;
  min-width: 3.2em;
  margin-right: 10px;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .ct-prep__sample {
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(165deg, rgba(255, 77, 157, .08), rgba(11, 27, 51, .5) 52%, rgba(49, 225, 225, .08));
}

.page-contact .ct-prep__sample-title {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--magenta);
  margin: 0 0 12px;
}

.page-contact .ct-prep__code {
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.95;
  color: var(--ice);
  background: rgba(11, 27, 51, .64);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 16px;
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.page-contact .ct-prep__hint {
  margin: 14px 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-coop__copy h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: 8px 0 14px;
}

.page-contact .ct-coop__copy p {
  color: var(--mist);
  line-height: 1.78;
  margin: 0 0 14px;
  max-width: 58ch;
}

.page-contact .ct-coop__copy .btn {
  margin-top: 8px;
}

.page-contact .ct-coop__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-coop__steps li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  font-size: .93rem;
  line-height: 1.65;
  color: var(--ice);
}

.page-contact .ct-coop__step-num {
  flex: 0 0 auto;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--amber);
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-office__list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-office__row {
  display: grid;
  grid-template-columns: minmax(5.5em, 7em) minmax(0, 1fr);
  gap: 12px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.page-contact .ct-office__row dt {
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .ct-office__row dd {
  margin: 0;
  font-size: .95rem;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .ct-office__note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 68ch;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 225, .35);
  transition: border-color var(--dur) ease, color var(--dur) ease;
}

.page-contact a:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-contact .btn {
  border-bottom: 0;
}

/* ---------- 动效 ---------- */
@keyframes ct-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes ct-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46, 230, 168, .55); }
  50% { box-shadow: 0 0 0 5px rgba(46, 230, 168, 0); }
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-hours__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .ct-office__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-hours__fig .img-frame__cap {
    text-align: right;
  }
}

@media (max-width: 420px) {
  .page-contact .ct-mark {
    font-size: .6rem;
    padding-top: 7px;
  }

  .page-contact .ct-chan__list li {
    font-size: .86rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-scale__fill { animation: none; }
  .page-contact .ct-scale__live::before { animation: none; }
  .page-contact .ct-mark[data-tip]::after { transition: none; }
  .page-contact .ct-prep__list li { transition: none; }
  .page-contact .ct-prep__list li:hover { transform: none; }
}
<<<END>>>