.page-contact {
  --ct-cut: 18px;
  --ct-cut-s: 10px;
  --ct-line: rgba(212, 175, 55, .38);
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  position: relative;
  background: var(--deep);
  color: var(--paper);
  padding: 32px 0 64px;
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(246, 242, 233, .04) 0 2px, transparent 2px 16px);
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -90px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, .22);
  box-shadow: 0 0 0 44px rgba(212, 175, 55, .05), 0 0 0 88px rgba(18, 194, 176, .05);
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  margin-bottom: 26px;
}

.page-contact .breadcrumb__link {
  color: rgba(246, 242, 233, .72);
}

.page-contact .breadcrumb__link:hover {
  color: var(--gold);
}

.page-contact .breadcrumb__sep {
  color: rgba(246, 242, 233, .38);
}

.page-contact .breadcrumb__current {
  color: var(--gold);
}

.page-contact .ct-hero__intro {
  max-width: 830px;
}

.page-contact .ct-hero__intro h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 52px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
  margin: 16px 0 18px;
  color: var(--paper);
}

.page-contact .ct-hero__lead {
  font-size: 17px;
  line-height: 1.82;
  color: rgba(246, 242, 233, .82);
  max-width: 64ch;
  margin: 0;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
  margin-top: 44px;
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--gap-l);
    align-items: start;
  }
}

.page-contact .ct-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ct-line);
  font-weight: 400;
}

/* 三类来意卡 */
.page-contact .ct-intent {
  background: rgba(246, 242, 233, .06);
  box-shadow: inset 3px 0 0 0 var(--gold);
  margin-bottom: 14px;
  clip-path: polygon(var(--ct-cut) 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%, 0 var(--ct-cut));
  transition: background .22s ease;
}

.page-contact .ct-intent[open] {
  background: rgba(246, 242, 233, .12);
}

.page-contact .ct-intent summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-intent summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-intent summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .ct-intent__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
  flex: none;
  padding-top: 4px;
}

.page-contact .ct-intent__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
  margin: 0;
  line-height: 1.4;
}

.page-contact .ct-intent__hint {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.72;
  color: rgba(246, 242, 233, .7);
  margin-top: 6px;
}

.page-contact .ct-intent__body {
  padding: 0 22px 20px 52px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 242, 233, .82);
  border-top: 1px solid rgba(212, 175, 55, .2);
  margin: 0 22px 0 22px;
  padding-left: 0;
  padding-right: 0;
  padding-top: 16px;
}

.page-contact .ct-intent__body p {
  margin: 0 0 10px;
}

.page-contact .ct-intent__body ul {
  margin: 0;
  padding-left: 18px;
}

.page-contact .ct-intent__body li {
  margin-bottom: 7px;
}

.page-contact .ct-intent__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 194, 176, .45);
}

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

/* 联系渠道卡 */
.page-contact .ct-channel {
  background: var(--deep-2);
  overflow: hidden;
  clip-path: polygon(var(--ct-cut) 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%, 0 var(--ct-cut));
}

.page-contact .ct-channel__fig {
  margin: 0;
  line-height: 0;
}

.page-contact .ct-channel__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 520;
  object-fit: cover;
  opacity: .8;
}

.page-contact .ct-channel__box {
  padding: 22px;
}

.page-contact .ct-channel__list {
  margin: 16px 0 0;
}

.page-contact .ct-channel__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(212, 175, 55, .26);
}

.page-contact .ct-channel__row dt {
  flex: 0 0 78px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 2px;
}

.page-contact .ct-channel__row dd {
  margin: 0;
  flex: 1 1 190px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .ct-channel__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(246, 242, 233, .72);
}

/* 受理时段刻度 */
.page-contact .ct-hours {
  margin-top: 20px;
  background: rgba(246, 242, 233, .05);
  border-top: 2px solid var(--gold);
  padding: 18px 20px 20px;
}

.page-contact .ct-hours__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(246, 242, 233, .68);
}

.page-contact .ct-hours__track {
  display: flex;
  height: 10px;
  overflow: hidden;
}

.page-contact .ct-hours__off {
  flex: 0 0 37.5%;
  background: rgba(246, 242, 233, .16);
}

.page-contact .ct-hours__off--tail {
  flex: 0 0 25%;
}

.page-contact .ct-hours__on {
  flex: 0 0 37.5%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
}

.page-contact .ct-hours__cap {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 242, 233, .8);
}

.page-contact .ct-hours__num {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 15px;
}

/* ============ 提交入口 ============ */
.page-contact .ct-entry {
  background: var(--paper);
  color: var(--ink);
  padding: var(--gap-l) 0;
}

.page-contact .ct-entry__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
}

@media (min-width: 960px) {
  .page-contact .ct-entry__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--gap-l);
    align-items: start;
  }
}

.page-contact .ct-entry__fig {
  margin: 0;
}

.page-contact .ct-entry__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  clip-path: polygon(var(--ct-cut) 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%, 0 var(--ct-cut));
}

.page-contact .ct-entry__fig figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  padding-left: 12px;
  border-left: 2px solid var(--gold);
}

.page-contact .ct-flow {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--gold);
}

.page-contact .ct-flow__item {
  position: relative;
  padding-bottom: 22px;
}

.page-contact .ct-flow__item:last-child {
  padding-bottom: 0;
}

.page-contact .ct-flow__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--paper);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.page-contact .ct-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-dark);
}

.page-contact .ct-flow__item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 4px 0 6px;
  color: var(--ink);
}

.page-contact .ct-flow__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ============ 响应节奏 ============ */
.page-contact .ct-window {
  background: var(--paper-warm);
  padding: var(--gap-l) 0;
  border-top: 1px solid var(--border);
}

.page-contact .ct-window__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  margin-top: var(--gap-m);
}

@media (min-width: 720px) {
  .page-contact .ct-window__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-contact .ct-rate {
  background: var(--surface);
  padding: 24px 20px 26px;
  clip-path: polygon(var(--ct-cut-s) 0, 100% 0, 100% calc(100% - var(--ct-cut-s)), calc(100% - var(--ct-cut-s)) 100%, 0 100%, 0 var(--ct-cut-s));
}

.page-contact .ct-rate__bar {
  display: block;
  width: 42px;
  height: 3px;
  background: var(--cyan);
  margin-bottom: 16px;
}

.page-contact .ct-rate h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-contact .ct-rate p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .ct-window__foot {
  margin: var(--gap-m) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(11, 61, 46, .16);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ============ 换设备排查 ============ */
.page-contact .ct-device {
  position: relative;
  background: var(--deep);
  color: var(--paper);
  padding: var(--gap-l) 0;
  overflow: hidden;
}

.page-contact .ct-device::after {
  content: "";
  position: absolute;
  left: -70px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  background-image: repeating-linear-gradient(45deg, rgba(212, 175, 55, .09) 0 2px, transparent 2px 18px);
  pointer-events: none;
}

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

.page-contact .ct-device .section-head__num {
  color: var(--gold);
}

.page-contact .ct-device .section-head__title {
  color: var(--paper);
}

.page-contact .ct-device .section-head__lead {
  color: rgba(246, 242, 233, .78);
}

.page-contact .ct-steps {
  list-style: none;
  margin: var(--gap-m) 0 0;
  padding: 0;
}

.page-contact .ct-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 0 16px;
  padding-bottom: 26px;
}

.page-contact .ct-steps__item::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 32px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(212, 175, 55, .55), rgba(212, 175, 55, .05));
}

.page-contact .ct-steps__item:last-child {
  padding-bottom: 0;
}

.page-contact .ct-steps__item:last-child::before {
  display: none;
}

.page-contact .ct-steps__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--cyan);
  text-align: center;
  letter-spacing: .02em;
}

.page-contact .ct-steps__item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--paper);
  margin: 0 0 7px;
  line-height: 1.45;
}

.page-contact .ct-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 242, 233, .78);
}

/* ============ 提交清单 ============ */
.page-contact .ct-brief {
  background: var(--paper);
  padding: var(--gap-l) 0;
}

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

.page-contact .ct-brief__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 720px) {
  .page-contact .ct-brief__item {
    grid-template-columns: 136px 1fr;
    align-items: baseline;
  }
}

.page-contact .ct-brief__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--deep);
}

.page-contact .ct-brief__v {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ============ 信件往来 ============ */
.page-contact .ct-mail {
  background: var(--paper-warm);
  padding: var(--gap-l) 0 var(--gap-m);
}

.page-contact .ct-mail__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  background: var(--deep);
  color: var(--paper);
  padding: 32px 24px;
  clip-path: polygon(var(--ct-cut) 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%, 0 var(--ct-cut));
}

@media (min-width: 860px) {
  .page-contact .ct-mail__card {
    grid-template-columns: 5fr 7fr;
    gap: var(--gap-m);
    padding: 44px 40px;
    align-items: start;
  }
}

.page-contact .ct-mail__head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.35;
  color: var(--paper);
  margin: 16px 0 12px;
}

.page-contact .ct-mail__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(246, 242, 233, .78);
}

.page-contact .ct-mail__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(246, 242, 233, .14);
}

.page-contact .ct-mail__row:last-child {
  border-bottom: 0;
}

.page-contact .ct-mail__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .ct-mail__v {
  font-size: 16px;
  line-height: 1.72;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .ct-links__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: var(--gap-m);
  padding-top: 20px;
  border-top: 1px solid rgba(11, 61, 46, .18);
}

.page-contact .ct-links__item {
  font-size: 15px;
  color: var(--deep);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-contact .ct-links__item:hover {
  color: var(--gold-dark);
  border-bottom-color: var(--gold);
}

.page-contact .ct-links__item:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ============ 收窄屏保护 ============ */
@media (max-width: 420px) {
  .page-contact .ct-hero__intro h1 {
    font-size: 27px;
  }

  .page-contact .ct-intent__no {
    display: none;
  }

  .page-contact .ct-channel__row dt {
    flex: 0 0 100%;
  }

  .page-contact .ct-steps__item {
    grid-template-columns: 40px 1fr;
    gap: 0 12px;
  }

  .page-contact .ct-steps__item::before {
    left: 19px;
  }

  .page-contact .ct-steps__num {
    font-size: 17px;
  }

  .page-contact .ct-mail__card {
    padding: 26px 18px;
  }
}
<<<END>>>