.page-contact {
  --cx-line: rgba(48, 213, 230, .28);
  --cx-line-soft: rgba(18, 59, 87, .7);
  --cx-tint: rgba(48, 213, 230, .07);
  --cx-mint-tint: rgba(98, 224, 174, .09);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

/* ---------- 首屏 ---------- */
.page-contact .cx-hero {
  padding-block: clamp(1rem, 3vw, 1.75rem) clamp(2.25rem, 6vw, 4rem);
}

.page-contact .cx-hero__grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2rem);
  grid-template-areas:
    "copy"
    "desk"
    "media";
}

.page-contact .cx-hero__copy h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--ice);
  max-width: 15em;
  margin-block: .6rem 1rem;
}

.page-contact .cx-hero__copy .lede {
  max-width: 30rem;
  color: var(--mist);
}

.page-contact .cx-hero__media {
  grid-area: media;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--cx-line-soft);
  background: linear-gradient(150deg, rgba(11, 39, 64, .9), rgba(12, 61, 70, .7));
  min-height: 220px;
}

.page-contact .cx-hero__media .media {
  height: 100%;
  margin: 0;
  border-radius: inherit;
}

.page-contact .cx-hero__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .cx-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 38, .12), rgba(6, 24, 38, .62));
  pointer-events: none;
}

/* ---------- 联络面板 ---------- */
.page-contact .cx-desk {
  grid-area: desk;
  background: var(--panel-bg);
  border: 1px solid var(--cx-line-soft);
  border-radius: var(--r-lg);
  padding: clamp(1.15rem, 3.5vw, 1.9rem);
  box-shadow: var(--shadow-panel);
}

.page-contact .cx-desk__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--cx-line-soft);
}

.page-contact .cx-desk__title {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 3vw, 1.25rem);
  font-weight: 700;
  color: var(--ice);
  margin: 0;
}

.page-contact .cx-live {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--mint);
  border: 1px solid rgba(98, 224, 174, .45);
  border-radius: 999px;
  padding: .2rem .7rem;
}

.page-contact .cx-live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 10px rgba(98, 224, 174, .8);
  animation: cx-pulse 2.6s ease-in-out infinite;
}

@keyframes cx-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

.page-contact .cx-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: .3rem .8rem;
  padding-block: 1rem;
}

.page-contact .cx-row + .cx-row {
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-row__key {
  grid-column: 1;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--mist);
  margin: 0;
}

.page-contact .cx-row__val {
  grid-column: 1 / -1;
  font-size: clamp(1.05rem, 3.6vw, 1.4rem);
  color: var(--ice);
  letter-spacing: .02em;
  margin: 0;
  word-break: break-all;
}

.page-contact .cx-row__val--tel {
  letter-spacing: .14em;
}

.page-contact .cx-row__copy {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-body);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cx-line);
  border-radius: 999px;
  padding: .28rem .8rem;
  cursor: pointer;
  transition: background .25s ease, box-shadow .25s ease, color .25s ease;
}

.page-contact .cx-row__copy:hover,
.page-contact .cx-row__copy:focus-visible {
  background: var(--cx-tint);
  box-shadow: var(--glow-cyan);
  color: var(--ice);
}

.page-contact .cx-row__note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 值班刻度与回复规则 ---------- */
.page-contact .cx-hours {
  padding-block: clamp(2rem, 6vw, 3.5rem);
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-hours__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-contact .cx-hours__scale .section-title {
  margin-block: .5rem 1.4rem;
}

.page-contact .cx-scale__track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint), var(--cyan));
  box-shadow: 0 0 24px rgba(48, 213, 230, .22);
}

.page-contact .cx-scale__track::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: repeating-linear-gradient(90deg, rgba(6, 24, 38, .6) 0 1px, transparent 1px 8.333%);
  opacity: .5;
}

.page-contact .cx-scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .cx-hours__legend {
  margin-top: 1.1rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 28rem;
}

.page-contact .cx-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .cx-rule {
  background: var(--hull);
  border: 1px solid var(--cx-line-soft);
  border-radius: var(--r-md);
  padding: 1.1rem 1.15rem;
}

.page-contact .cx-rule h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ice);
  margin: .55rem 0 .4rem;
}

.page-contact .cx-rule p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 问题准备清单 ---------- */
.page-contact .cx-submit {
  padding-block: clamp(2rem, 6vw, 3.5rem);
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-submit__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-contact .cx-submit__checklist .section-title {
  margin-block: .5rem .9rem;
}

.page-contact .cx-submit__lede {
  color: var(--mist);
  max-width: 32rem;
  margin-bottom: 1.4rem;
}

.page-contact .cx-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-contact .cx-check-item {
  position: relative;
}

.page-contact .cx-check-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.page-contact .cx-check {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: .9rem 1rem;
  border: 1px solid var(--cx-line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 39, 64, .6);
  cursor: pointer;
  transition: border-color .22s ease, background .22s ease;
}

.page-contact .cx-check:hover {
  border-color: var(--cx-line);
}

.page-contact .cx-check__mark {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 7px;
  border: 1px solid var(--grid);
  background: rgba(6, 24, 38, .8);
  display: grid;
  place-items: center;
  font-size: .72rem;
  color: var(--deep);
  transition: background .2s ease, border-color .2s ease;
}

.page-contact .cx-check-input:checked + .cx-check {
  border-color: rgba(98, 224, 174, .55);
  background: var(--cx-mint-tint);
}

.page-contact .cx-check-input:checked + .cx-check .cx-check__mark {
  background: var(--mint);
  border-color: var(--mint);
}

.page-contact .cx-check-input:checked + .cx-check .cx-check__mark::after {
  content: "✓";
  font-weight: 700;
}

.page-contact .cx-check-input:focus-visible + .cx-check {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .cx-check__text {
  display: grid;
  gap: .2rem;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .cx-check__text strong {
  font-family: var(--font-head);
  font-size: .95rem;
  color: var(--ice);
}

.page-contact .cx-submit__aside {
  display: grid;
  gap: 1rem;
}

.page-contact .cx-submit__aside .media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--cx-line-soft);
  background: linear-gradient(150deg, rgba(12, 61, 70, .8), rgba(11, 39, 64, .9));
}

.page-contact .cx-submit__aside .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .cx-snippet {
  border: 1px solid var(--cx-line-soft);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-md);
  background: rgba(12, 61, 70, .45);
  padding: 1rem 1.1rem;
}

.page-contact .cx-snippet__label {
  margin: 0 0 .5rem;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .cx-snippet__code {
  margin: 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .cx-snippet__note {
  margin: .7rem 0 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .cx-snippet__note a,
.page-contact .cx-info__links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作与反馈 ---------- */
.page-contact .cx-coop {
  padding-block: clamp(2rem, 6vw, 3.5rem);
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-coop .section-title {
  margin-block: .5rem .9rem;
}

.page-contact .cx-coop__lede {
  color: var(--mist);
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.page-contact .cx-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.1rem;
}

.page-contact .cx-tab {
  font-family: var(--font-body);
  font-size: .86rem;
  letter-spacing: .04em;
  color: var(--mist);
  background: rgba(11, 39, 64, .75);
  border: 1px solid var(--cx-line-soft);
  border-radius: 999px;
  padding: .5rem 1.1rem;
  cursor: pointer;
  transition: color .22s ease, border-color .22s ease, background .22s ease;
}

.page-contact .cx-tab[aria-selected="true"] {
  color: var(--ice);
  background: rgba(90, 95, 224, .28);
  border-color: rgba(90, 95, 224, .8);
  box-shadow: 0 0 18px rgba(90, 95, 224, .3);
}

.page-contact .cx-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .cx-tabpanel {
  border: 1px solid var(--cx-line-soft);
  border-radius: var(--r-lg);
  background: var(--panel-bg);
  padding: clamp(1.15rem, 3.5vw, 1.9rem);
}

.page-contact .cx-tabpanel h3 {
  font-family: var(--font-head);
  font-size: clamp(1.02rem, 3vw, 1.2rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ice);
  margin: 0 0 .7rem;
}

.page-contact .cx-tabpanel p {
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
  max-width: 40rem;
}

.page-contact .cx-tabpanel__subject {
  margin-top: 1rem !important;
  font-size: .84rem;
  color: var(--mint) !important;
  border-top: 1px dashed var(--cx-line-soft);
  padding-top: .85rem;
  word-break: break-word;
}

.page-contact .cx-tabpanel__subject .mono {
  color: var(--ice);
}

/* ---------- 地址与备案 ---------- */
.page-contact .cx-info {
  padding-block: clamp(1.5rem, 5vw, 2.75rem);
}

.page-contact .cx-info__inner {
  background: var(--teal);
  border: 1px solid rgba(98, 224, 174, .22);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 4vw, 2.25rem);
}

.page-contact .cx-info__title {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 3vw, 1.3rem);
  font-weight: 700;
  color: var(--ice);
  margin: 0 0 1.2rem;
}

.page-contact .cx-info__grid {
  display: grid;
  gap: 1.1rem;
}

.page-contact .cx-info__key {
  margin: 0 0 .3rem;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--mint);
}

.page-contact .cx-info__val {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ice);
}

.page-contact .cx-info__val.mono {
  letter-spacing: .04em;
}

.page-contact .cx-info__links {
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(234, 246, 251, .16);
  font-size: .84rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .cx-row {
    grid-template-columns: 6.5rem minmax(0, 1fr) auto;
    column-gap: 1.1rem;
  }

  .page-contact .cx-row__key {
    grid-column: 1;
    grid-row: 1;
    align-self: center;
  }

  .page-contact .cx-row__val {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .cx-row__copy {
    grid-column: 3;
    grid-row: 1;
  }

  .page-contact .cx-row__note {
    grid-column: 2 / -1;
  }

  .page-contact .cx-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .cx-info__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .cx-info__cell:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .cx-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    grid-template-areas:
      "copy media"
      "desk media";
    gap: clamp(1.25rem, 2.5vw, 2rem);
  }

  .page-contact .cx-hero__media {
    min-height: 100%;
  }

  .page-contact .cx-hours__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-contact .cx-submit__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .cx-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .cx-info__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .6fr) minmax(0, 1.4fr);
  }

  .page-contact .cx-info__cell:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cx-live::before {
    animation: none;
  }

  .page-contact .cx-row__copy,
  .page-contact .cx-check,
  .page-contact .cx-tab {
    transition: none;
  }
}
<<<END>>>