.page-contact {
  --ct-edge: rgba(143, 163, 184, 0.34);
  --ct-soft: rgba(28, 37, 51, 0.72);
  --ct-light: rgba(242, 245, 247, 0.76);
  background: var(--k8-paper);
  color: var(--k8-graphite);
  font-family: var(--k8-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-bottom: clamp(30px, 5vw, 62px);
  background: linear-gradient(158deg, var(--k8-ink-900) 0%, var(--k8-ink-800) 62%, #0d2140 100%);
  color: var(--k8-paper);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--k8-mist) 1px, transparent 1px),
    linear-gradient(90deg, var(--k8-mist) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.42;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -30%;
  width: 64vw;
  height: 64vw;
  max-width: 720px;
  max-height: 720px;
  background: radial-gradient(circle, rgba(54, 240, 208, 0.16) 0%, transparent 66%);
  pointer-events: none;
}

.page-contact .ct-hero__crumbs {
  position: relative;
  z-index: 2;
  padding-top: 16px;
}

.page-contact .ct-hero__crumbs .k8-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .ct-hero__crumbs a {
  color: var(--k8-line);
  text-decoration: none;
}

.page-contact .ct-hero__crumbs a[aria-current="page"] {
  color: var(--k8-cyan);
}

.page-contact .ct-hero__crumbs .k8-crumbs__sep {
  color: rgba(143, 163, 184, 0.55);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding-top: clamp(24px, 4vw, 44px);
}

.page-contact .ct-hero__main h1 {
  margin: 12px 0 0;
  font-family: var(--k8-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--k8-paper);
}

.page-contact .ct-hero__lead {
  margin: 18px 0 0;
  max-width: 34rem;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--ct-light);
}

.page-contact .ct-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  max-width: 36rem;
}

.page-contact .ct-hero__points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-top: 1px solid rgba(143, 163, 184, 0.24);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ct-light);
}

.page-contact .ct-hero__points .k8-mono {
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--k8-cyan);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(54, 240, 208, 0.3);
  border-radius: var(--k8-r);
  object-fit: cover;
}

/* ---------- 段落骨架 ---------- */
.page-contact .ct-sec {
  padding: clamp(38px, 6vw, 74px) 0;
}

.page-contact .ct-sec__head h2 {
  margin: 0;
  font-family: var(--k8-display);
  font-weight: 800;
  font-size: clamp(23px, 3.3vw, 33px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--k8-graphite);
}

.page-contact .ct-sec__head p {
  margin: 12px 0 0;
  max-width: 44rem;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ct-soft);
}

.page-contact .ct-sec__head--dark h2 {
  color: var(--k8-paper);
}

.page-contact .ct-sec__head--dark p {
  color: var(--ct-light);
}

/* ---------- 通道网格 ---------- */
.page-contact .ct-channels {
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 32px);
  background: var(--ct-edge);
  border: 1px solid var(--ct-edge);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--k8-paper);
  color: inherit;
  text-decoration: none;
  transition: background 0.2s ease;
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 3px;
  background: var(--k8-cyan);
  transition: width 0.22s ease;
}

.page-contact .ct-channel:hover::before,
.page-contact .ct-channel:focus-visible::before {
  width: 100%;
}

.page-contact .ct-channel:hover {
  background: #ffffff;
}

.page-contact .ct-channel:focus-visible {
  outline: 2px solid var(--k8-violet);
  outline-offset: -3px;
}

.page-contact .ct-channel__label {
  font-family: var(--k8-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: rgba(28, 37, 51, 0.55);
}

.page-contact .ct-channel__value {
  font-family: var(--k8-mono);
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--k8-graphite);
  word-break: break-word;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-soft);
}

.page-contact .ct-channel__go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--k8-cyan-dark);
}

.page-contact .ct-channel--phone {
  background: var(--k8-ink-800);
}

.page-contact .ct-channel--phone:hover {
  background: #163254;
}

.page-contact .ct-channel--phone .ct-channel__label {
  color: rgba(54, 240, 208, 0.8);
}

.page-contact .ct-channel--phone .ct-channel__value {
  font-size: clamp(24px, 3.8vw, 34px);
  color: var(--k8-cyan);
}

.page-contact .ct-channel--phone .ct-channel__desc {
  color: var(--ct-light);
}

.page-contact .ct-channel--phone .ct-channel__go {
  color: var(--k8-orange);
}

.page-contact .ct-channel--board .ct-channel__go {
  color: var(--k8-orange);
}

/* ---------- 问题类型筛选 ---------- */
.page-contact .ct-topics {
  background: var(--k8-ink-900);
  color: var(--k8-paper);
  position: relative;
}

.page-contact .ct-topics::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--k8-cyan) 0%, transparent 70%);
  opacity: 0.4;
}

.page-contact .ct-topics__filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-topics .k8-filter__label {
  font-family: var(--k8-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--k8-line);
  margin-right: 4px;
}

.page-contact .ct-topics .k8-filter__btn {
  appearance: none;
  padding: 7px 14px;
  border: 1px solid rgba(143, 163, 184, 0.45);
  border-radius: var(--k8-r);
  background: transparent;
  color: var(--k8-paper);
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .ct-topics .k8-filter__btn:hover {
  border-color: var(--k8-cyan);
  color: var(--k8-cyan);
}

.page-contact .ct-topics .k8-filter__btn[aria-pressed="true"],
.page-contact .ct-topics .k8-filter__btn.is-active {
  background: var(--k8-cyan);
  border-color: var(--k8-cyan);
  color: var(--k8-ink-900);
}

.page-contact .ct-topics__list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .ct-topic {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(143, 163, 184, 0.22);
}

.page-contact .ct-topic[hidden] {
  display: none;
}

.page-contact .ct-topic__no {
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--k8-cyan);
}

.page-contact .ct-topic__body h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--k8-paper);
}

.page-contact .ct-topic__body p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ct-light);
}

.page-contact .ct-topic__link {
  justify-self: start;
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--k8-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 240, 208, 0.45);
  padding-bottom: 2px;
}

.page-contact .ct-topic__link:hover {
  color: var(--k8-orange);
  border-bottom-color: var(--k8-orange);
}

/* ---------- 描述方式四步 ---------- */
.page-contact .ct-steps {
  list-style: none;
  counter-reset: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .ct-step {
  border-top: 2px solid var(--k8-ink-900);
  padding-top: 14px;
}

.page-contact .ct-step__no {
  display: block;
  font-family: var(--k8-mono);
  font-size: clamp(20px, 2.8vw, 26px);
  letter-spacing: 0.02em;
  color: var(--k8-cyan-dark);
}

.page-contact .ct-step h3 {
  margin: 8px 0 0;
  font-family: var(--k8-display);
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--k8-graphite);
}

.page-contact .ct-step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ct-soft);
}

/* ---------- 纠错块 ---------- */
.page-contact .ct-correct {
  padding-top: 0;
}

.page-contact .ct-correct__box {
  position: relative;
  padding: clamp(22px, 3.4vw, 38px);
  background: var(--k8-orange-pale);
  border-left: 4px solid var(--k8-orange);
}

.page-contact .ct-correct__kicker {
  margin: 0 0 10px;
  font-family: var(--k8-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: #8a3d0d;
}

.page-contact .ct-correct__box h2 {
  margin: 0;
  font-family: var(--k8-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--k8-graphite);
}

.page-contact .ct-correct__box p {
  margin: 12px 0 0;
  max-width: 46rem;
  font-size: 15px;
  line-height: 1.8;
  color: #33261c;
}

.page-contact .ct-correct__box a {
  color: #8a3d0d;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--k8-orange);
  text-underline-offset: 3px;
}

.page-contact .ct-correct__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 留言板 ---------- */
.page-contact .ct-board {
  background: #ffffff;
  border-top: 1px solid var(--ct-edge);
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-board__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-board__list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-board__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--ct-edge);
  font-size: 14.8px;
  line-height: 1.74;
  color: var(--ct-soft);
}

.page-contact .ct-board__list .k8-mono {
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--k8-violet);
}

.page-contact .ct-board__list strong {
  color: var(--k8-graphite);
  font-weight: 600;
}

.page-contact .ct-board__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ct-edge);
  border-radius: var(--k8-r);
  object-fit: cover;
}

.page-contact .ct-board__cap {
  margin: 10px 0 0;
  font-family: var(--k8-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: rgba(28, 37, 51, 0.55);
}

/* ---------- 服务时段 ---------- */
.page-contact .ct-hours {
  padding: clamp(26px, 4.5vw, 52px) 0;
  background: var(--k8-ink-800);
  color: var(--k8-paper);
}

.page-contact .ct-hours__inner {
  display: grid;
  gap: clamp(16px, 3vw, 34px);
  align-items: center;
}

.page-contact .ct-hours__day {
  margin: 0 0 8px;
  font-family: var(--k8-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--k8-orange);
}

.page-contact .ct-hours__big {
  margin: 0;
  font-family: var(--k8-mono);
  font-size: clamp(34px, 7.4vw, 62px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--k8-cyan);
}

.page-contact .ct-hours__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-light);
  border-left: 1px solid rgba(143, 163, 184, 0.4);
  padding-left: 16px;
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-address__rows {
  margin-top: clamp(18px, 3vw, 28px);
  display: grid;
  gap: 0;
}

.page-contact .ct-address__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-address__row:last-child {
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-address__key {
  font-family: var(--k8-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(28, 37, 51, 0.55);
}

.page-contact .ct-address__val {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--k8-graphite);
  word-break: break-word;
}

.page-contact .ct-address__val a {
  color: var(--k8-cyan-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 168, 149, 0.45);
}

.page-contact .ct-address__val a:hover {
  color: var(--k8-violet);
  border-bottom-color: var(--k8-violet);
}

/* ---------- 快捷问答 ---------- */
.page-contact .ct-faq__list {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .ct-faq details {
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-faq details:last-child {
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-faq summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--k8-graphite);
}

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

.page-contact .ct-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--k8-mono);
  font-size: 16px;
  color: var(--k8-cyan-dark);
}

.page-contact .ct-faq details[open] summary::after {
  content: "–";
  color: var(--k8-orange);
}

.page-contact .ct-faq summary:focus-visible {
  outline: 2px solid var(--k8-violet);
  outline-offset: 2px;
}

.page-contact .ct-faq details p {
  margin: 0 0 16px;
  max-width: 46rem;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-soft);
}

.page-contact .ct-faq details a {
  color: var(--k8-cyan-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 168, 149, 0.45);
}

.page-contact .ct-faq details a:hover {
  color: var(--k8-violet);
  border-bottom-color: var(--k8-violet);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 28px;
  }

  .page-contact .ct-topic {
    grid-template-columns: 4.5rem minmax(0, 1fr) auto;
    align-items: start;
    gap: 14px;
    padding: 18px 0;
  }

  .page-contact .ct-topic__no {
    padding-top: 3px;
  }

  .page-contact .ct-topic__link {
    justify-self: end;
    margin-top: 3px;
  }

  .page-contact .ct-address__row {
    grid-template-columns: 12rem minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-contact .ct-hours__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-contact .ct-board__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-channel::before,
  .page-contact .ct-topics .k8-filter__btn {
    transition: none;
  }
}
<<<END>>>