.page-contact {
  display: block;
}

.page-contact > .section {
  padding-block: clamp(1.7rem, 4.6vw, 3rem);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumbs {
  padding-top: clamp(1rem, 3vw, 1.6rem);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(1.4rem, 4vw, 2.4rem) clamp(1.8rem, 5vw, 3rem);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 140, 168, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 140, 168, .075) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(120% 92% at 10% 0%, #000 18%, transparent 72%);
  mask-image: radial-gradient(120% 92% at 10% 0%, #000 18%, transparent 72%);
  pointer-events: none;
}

.page-contact .ct-hero-inner {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .ct-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.15rem, 6.6vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: .55rem 0 0;
  max-width: 19ch;
  overflow-wrap: anywhere;
}

.page-contact .ct-hero-lead {
  margin: 1.15rem 0 0;
  max-width: 60ch;
  color: var(--mist);
}

.page-contact .ct-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .6rem;
  margin-top: 1.35rem;
}

.page-contact .ct-fact {
  display: inline-flex;
  align-items: baseline;
  gap: .42rem;
  padding: .48rem .88rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(18, 41, 63, .6);
  color: var(--mist);
  font-size: .84rem;
  line-height: 1.4;
}

.page-contact .ct-fact b {
  color: var(--amber);
  font-weight: 500;
  font-size: .9rem;
}

.page-contact .ct-quick {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

/* ---------- 两步路径 ---------- */
.page-contact .ct-pathway {
  display: grid;
  gap: .55rem;
  margin-top: clamp(1.4rem, 3.4vw, 2.2rem);
}

.page-contact .ct-pathway-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  line-height: 1;
}

.page-contact .ct-pathway-arrow::before {
  content: "↓";
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: 0;
}

.page-contact .ct-node {
  position: relative;
  border: 1px solid var(--line-amber);
  border-radius: var(--r-m);
  background:
    linear-gradient(180deg, rgba(240, 180, 41, .1), rgba(18, 41, 63, .88) 34%, rgba(11, 27, 43, .92));
  overflow: hidden;
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .ct-node:nth-of-type(3) {
  border-color: var(--line-cyan);
  background:
    linear-gradient(180deg, rgba(47, 224, 200, .1), rgba(18, 41, 63, .88) 34%, rgba(11, 27, 43, .92));
}

.page-contact .ct-node:hover {
  transform: translateY(-2px);
}

.page-contact .ct-node-summary {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.05rem 1.15rem;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1rem, 2.5vw, 1.14rem);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

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

.page-contact .ct-node-summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--mist);
  transition: color .2s var(--ease);
}

.page-contact .ct-node[open] > .ct-node-summary::after {
  content: "–";
  color: var(--amber);
}

.page-contact .ct-node:nth-of-type(3)[open] > .ct-node-summary::after {
  color: var(--cyan);
}

.page-contact .ct-node-index {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--r-pill);
  border: 2px solid var(--amber);
  color: var(--amber);
  font-size: .88rem;
  letter-spacing: .02em;
}

.page-contact .ct-node:nth-of-type(3) .ct-node-index {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .ct-node-label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-contact .ct-node-body {
  padding: 0 1.15rem 1.25rem;
  color: var(--mist);
  font-size: .96rem;
  line-height: 1.82;
}

.page-contact .ct-node-body p {
  margin: 0 0 .62rem;
}

.page-contact .ct-node-body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-path-figure {
  margin: clamp(1.4rem, 3.2vw, 2.2rem) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--hull-deep);
}

.page-contact .ct-path-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 渠道卡 ---------- */
.page-contact .ct-channel-grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.4rem, 3.4vw, 2rem);
}

.page-contact .ct-channel {
  position: relative;
  padding: 1.75rem 1.25rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(18, 41, 63, .95), rgba(11, 27, 43, .95));
  overflow: hidden;
  transition: border-color .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .ct-channel:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
}

.page-contact .ct-channel-1::before { background: var(--amber); }
.page-contact .ct-channel-2::before { background: var(--cyan); }
.page-contact .ct-channel-3::before { background: var(--steel); }

.page-contact .ct-channel-1:hover { border-color: var(--line-amber); }
.page-contact .ct-channel-2:hover { border-color: var(--line-cyan); }

.page-contact .ct-channel-label {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-channel-value {
  margin: 0 0 .75rem;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.5vw, 1.24rem);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel-text {
  margin: 0 0 .95rem;
  color: var(--mist);
  font-size: .94rem;
  line-height: 1.8;
}

.page-contact .ct-channel .copy-btn {
  margin-bottom: .9rem;
}

.page-contact .ct-channel-more {
  border-top: 1px solid var(--line-soft);
  padding-top: .8rem;
}

.page-contact .ct-channel-more > summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--cyan);
  transition: color .2s var(--ease);
}

.page-contact .ct-channel-more > summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-channel-more > summary::before {
  content: "+ ";
}

.page-contact .ct-channel-more[open] > summary::before {
  content: "– ";
}

.page-contact .ct-channel-1 .ct-channel-more > summary { color: var(--amber); }

.page-contact .ct-channel-list {
  margin: .7rem 0 0;
  padding-left: 1.05rem;
  color: var(--mist);
  font-size: .89rem;
  line-height: 1.78;
}

.page-contact .ct-channel-list li {
  margin-bottom: .3rem;
}

.page-contact .ct-channel-list li::marker {
  color: var(--steel);
}

.page-contact .ct-channels-note {
  display: grid;
  gap: 1.1rem;
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-contact .ct-channels-note-text h3 {
  margin: 0 0 .55rem;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.08rem, 2.8vw, 1.34rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-channels-note-text p {
  margin: 0 0 .7rem;
  color: var(--mist);
  font-size: .95rem;
  line-height: 1.82;
}

.page-contact .ct-channels-note-text p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-channels-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--hull-deep);
}

.page-contact .ct-channels-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 回复时段 ---------- */
.page-contact .ct-window-band {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid var(--line-amber);
  border-radius: var(--r-l);
  background:
    linear-gradient(118deg, rgba(240, 180, 41, .14), rgba(18, 41, 63, .74) 46%, rgba(47, 224, 200, .12));
}

.page-contact .ct-window-main {
  min-width: 0;
}

.page-contact .ct-window-main .section-title {
  margin-top: .5rem;
  font-size: clamp(1.28rem, 3.6vw, 1.95rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .ct-window-text {
  margin: .8rem 0 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: .96rem;
  line-height: 1.82;
}

.page-contact .ct-window-side {
  min-width: 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.page-contact .ct-window-clock {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.5rem, 4.6vw, 2.15rem);
  letter-spacing: .04em;
  color: var(--amber);
}

.page-contact .ct-window-side-note {
  margin: 0 0 .9rem;
  color: var(--mist);
  font-size: .88rem;
  line-height: 1.6;
}

.page-contact .ct-window-track {
  height: 8px;
  border-radius: var(--r-pill);
  background: rgba(124, 140, 168, .18);
  overflow: hidden;
}

.page-contact .ct-window-seg {
  display: block;
  height: 100%;
  width: 42%;
  margin-left: 32%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--amber), var(--cyan));
}

.page-contact .ct-window-scale {
  margin: .5rem 0 0;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--mist);
  opacity: .8;
}

/* ---------- 地区 ---------- */
.page-contact .ct-region-list {
  display: grid;
  gap: .8rem;
  margin-top: clamp(1.3rem, 3vw, 1.9rem);
}

.page-contact .ct-region {
  border: 1px solid var(--line);
  border-left: 3px solid var(--steel);
  border-radius: var(--r-m);
  background: rgba(18, 41, 63, .62);
  overflow: hidden;
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-contact .ct-region[open] {
  border-left-color: var(--amber);
  background: rgba(18, 41, 63, .82);
}

.page-contact .ct-region:nth-of-type(2)[open] {
  border-left-color: var(--cyan);
}

.page-contact .ct-region-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem .75rem;
  padding: 1.05rem 1.15rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-region-tag {
  flex: 0 0 auto;
  padding: .2rem .6rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .ct-region-title {
  min-width: 0;
  color: var(--paper);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(.98rem, 2.4vw, 1.1rem);
  letter-spacing: -0.01em;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.page-contact .ct-region-body {
  padding: 0 1.15rem 1.25rem;
  color: var(--mist);
  font-size: .95rem;
  line-height: 1.82;
}

.page-contact .ct-region-body p {
  margin: 0 0 .65rem;
}

.page-contact .ct-region-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep-inner {
  display: grid;
  gap: clamp(1.3rem, 3.6vw, 2.8rem);
}

.page-contact .ct-prep-head .section-lead {
  max-width: 42ch;
}

.page-contact .ct-prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-prep-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-prep-num {
  padding-top: .22rem;
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-contact .ct-prep-item h3 {
  margin: 0 0 .32rem;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-prep-item p {
  margin: 0;
  color: var(--mist);
  font-size: .93rem;
  line-height: 1.78;
}

.page-contact .ct-prep-item a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .ct-prep-item a:hover {
  color: var(--amber);
}

/* ---------- 后续入口 ---------- */
.page-contact .ct-next-band {
  padding: clamp(1.3rem, 3.6vw, 2.1rem);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: linear-gradient(180deg, rgba(18, 41, 63, .8), rgba(11, 27, 43, .8));
}

.page-contact .ct-next-band .section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.14rem, 3vw, 1.5rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .ct-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-contact .ct-next-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: rgba(11, 27, 43, .55);
  color: var(--paper);
  font-size: .94rem;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-contact .ct-next-list a:hover {
  border-color: var(--line-cyan);
  background: rgba(47, 224, 200, .07);
  transform: translateX(3px);
}

.page-contact .ct-next-arrow {
  flex: 0 0 auto;
  color: var(--cyan);
  font-size: .95rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2.4vw, 1.6rem);
    align-items: start;
  }

  .page-contact .ct-channel:nth-child(2) { margin-top: 1.8rem; }
  .page-contact .ct-channel:nth-child(3) { margin-top: 3.6rem; }
}

@media (min-width: 820px) {
  .page-contact .ct-pathway {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 2rem);
    align-items: start;
  }

  .page-contact .ct-pathway-arrow {
    align-self: center;
    padding-top: 0;
  }

  .page-contact .ct-pathway-arrow::before {
    content: "→";
    font-size: 1.5rem;
  }

  .page-contact .ct-channels-note {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: center;
    gap: clamp(1.4rem, 3.4vw, 2.6rem);
  }
}

@media (min-width: 880px) {
  .page-contact .ct-window-band {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(1.4rem, 4vw, 3rem);
  }

  .page-contact .ct-window-side {
    padding-top: 0;
    padding-left: clamp(1.2rem, 3vw, 2rem);
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 920px) {
  .page-contact .ct-prep-inner {
    grid-template-columns: minmax(0, .74fr) minmax(0, 1.26fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-node,
  .page-contact .ct-channel,
  .page-contact .ct-next-list a {
    transition: none;
  }

  .page-contact .ct-node:hover,
  .page-contact .ct-channel:hover,
  .page-contact .ct-next-list a:hover {
    transform: none;
  }
}
<<<END>>>