.page-contact {
  --c-paper-ink-soft: #5a463a;
  --c-paper-edge: rgba(34, 26, 22, .18);
  --c-panel-deep: #0A1017;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  font-family: var(--ng-font-body);
  color: var(--ng-white);
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(1.5rem, 5vw, 3rem);
  padding-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-contact .c-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -18%;
  width: min(560px, 88%);
  height: 380px;
  background:
    linear-gradient(122deg, rgba(41, 242, 224, .22), rgba(255, 75, 43, .12) 58%, transparent 82%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .c-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .c-hero__eyebrow {
  margin-top: 1.4rem;
  letter-spacing: .18em;
  color: var(--ng-cyan);
}

.page-contact .c-hero__title {
  font-family: var(--ng-font-display);
  font-size: clamp(2rem, 6.6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  margin: .55rem 0 1rem;
  color: var(--ng-white);
}

.page-contact .c-hero__accent {
  color: var(--ng-cyan);
  text-shadow: 0 0 28px rgba(41, 242, 224, .35);
}

.page-contact .c-hero__lead {
  max-width: 46ch;
  color: var(--ng-mist);
  margin: 0;
}

.page-contact .c-hero__facts {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 1.2rem 0 0;
  display: grid;
  gap: .9rem;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--ng-hair);
}

.page-contact .c-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.page-contact .c-hero__factnum {
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.25rem;
  letter-spacing: .02em;
  color: var(--ng-cyan);
}

.page-contact .c-hero__factlabel {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--ng-mist);
}

/* ---------- 分屏联系面板 ---------- */
.page-contact .c-split {
  display: grid;
  gap: clamp(1rem, 3vw, 1.75rem);
  grid-template-columns: 1fr;
  align-items: start;
  margin-top: clamp(1rem, 4vw, 2rem);
}

.page-contact .c-cardpanel { order: 1; }
.page-contact .c-paper { order: 2; }

.page-contact .c-paper {
  position: relative;
  background: var(--ng-paper);
  color: var(--ng-paper-ink);
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border-radius: var(--ng-radius);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .c-paper__eyebrow {
  color: #8a6a52;
  margin: 0;
  letter-spacing: .16em;
}

.page-contact .c-paper__title {
  font-family: var(--ng-font-display);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.16;
  letter-spacing: .01em;
  margin: .5rem 0 .9rem;
  color: var(--ng-paper-ink);
}

.page-contact .c-paper__text {
  margin: 0 0 1.3rem;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--c-paper-ink-soft);
}

.page-contact .c-route {
  border-top: 1px solid var(--c-paper-edge);
  padding-top: 1rem;
  margin-top: .4rem;
}

.page-contact .c-route__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin-bottom: .55rem;
}

.page-contact .c-route__badge {
  display: inline-block;
  font-size: .7rem;
  letter-spacing: .12em;
  padding: .18rem .5rem;
  border: 1px solid rgba(34, 26, 22, .35);
  border-radius: 2px;
  color: var(--ng-paper-ink);
  background: rgba(255, 75, 43, .14);
}

.page-contact .c-route__time {
  font-family: var(--ng-font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: #6b5344;
}

.page-contact .c-route__mail {
  display: inline-block;
  margin: 0 0 .4rem;
  padding-bottom: 2px;
  font-family: var(--ng-font-mono);
  font-size: clamp(.92rem, 2.6vw, 1.08rem);
  font-weight: 600;
  color: var(--ng-paper-ink);
  border-bottom: 2px solid rgba(255, 75, 43, .55);
  overflow-wrap: anywhere;
}

.page-contact .c-route__desc {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--c-paper-ink-soft);
}

.page-contact .c-paper__foot {
  margin: 1.4rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: #7a6252;
}

.page-contact .c-paper__link {
  color: var(--ng-paper-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 75, 43, .6);
}

.page-contact .c-paper__link:hover,
.page-contact .c-paper__link:focus-visible {
  color: #b8321c;
}

/* 右侧深色卡片 */
.page-contact .c-cardpanel {
  position: relative;
  background: linear-gradient(160deg, var(--ng-panel), var(--c-panel-deep) 72%);
  border: 1px solid var(--ng-hair);
  border-radius: var(--ng-radius);
  padding: clamp(1.15rem, 3.5vw, 1.9rem);
  box-shadow: 0 26px 60px -38px rgba(41, 242, 224, .55);
}

.page-contact .c-cardpanel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 2px;
  background: linear-gradient(90deg, var(--ng-cyan), transparent);
}

.page-contact .c-cardpanel__top {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .9rem;
}

.page-contact .c-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ng-flare);
  box-shadow: 0 0 0 3px rgba(255, 75, 43, .18);
}

.page-contact .c-cardpanel__state {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--ng-mist);
}

.page-contact .c-cardpanel__label {
  margin: 0 0 .5rem;
  font-family: var(--ng-font-display);
  font-size: 1.35rem;
  letter-spacing: .06em;
  color: var(--ng-white);
}

.page-contact .c-channel {
  margin: 0 0 1.2rem;
  display: grid;
  gap: 0;
}

.page-contact .c-channel__row {
  display: grid;
  gap: .2rem;
  padding: .8rem 0;
  border-bottom: 1px solid rgba(27, 93, 99, .55);
}

.page-contact .c-channel__row:last-child {
  border-bottom: 0;
}

.page-contact .c-channel__row dt {
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--ng-mist);
}

.page-contact .c-channel__row dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--ng-white);
  overflow-wrap: anywhere;
}

.page-contact .c-channel__mail {
  font-family: var(--ng-font-mono);
  color: var(--ng-data);
}

.page-contact .c-channel__phone {
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  letter-spacing: .06em;
  color: var(--ng-cyan);
}

.page-contact .c-cardpanel__figure {
  margin: 0;
  border: 1px solid var(--ng-hair);
  border-radius: var(--ng-radius);
  overflow: hidden;
  background: rgba(41, 242, 224, .05);
}

.page-contact .c-cardpanel__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 反馈流程 ---------- */
.page-contact .c-flow {
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
  padding-top: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--ng-hair);
}

.page-contact .c-flow__head {
  max-width: 60ch;
}

.page-contact .c-flow__title {
  font-family: var(--ng-font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: .01em;
  margin: .45rem 0 .7rem;
  color: var(--ng-white);
}

.page-contact .c-flow__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--ng-mist);
}

.page-contact .c-flow__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.page-contact .c-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .c-step {
  position: relative;
  padding: .95rem 0 .95rem 3.3rem;
  border-bottom: 1px solid rgba(27, 93, 99, .5);
}

.page-contact .c-step:last-child {
  border-bottom: 0;
}

.page-contact .c-step__num {
  position: absolute;
  left: 0;
  top: 1rem;
  width: 2.3rem;
  height: 2.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ng-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  color: var(--ng-data);
  border: 1px solid var(--ng-hair);
  border-radius: 999px;
  background: rgba(41, 242, 224, .06);
}

.page-contact .c-step__title {
  font-family: var(--ng-font-display);
  font-size: 1.12rem;
  letter-spacing: .03em;
  margin: 0 0 .3rem;
  color: var(--ng-white);
}

.page-contact .c-step p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ng-mist);
}

.page-contact .c-flow__figure {
  margin: 0;
}

.page-contact .c-flow__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ng-hair);
  border-radius: var(--ng-radius);
  background: rgba(41, 242, 224, .04);
  object-fit: cover;
}

.page-contact .c-flow__figure figcaption {
  margin-top: .75rem;
  padding-left: .7rem;
  border-left: 2px solid var(--ng-flare);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--ng-mist);
}

.page-contact .c-flow__more {
  margin: 1.6rem 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--ng-mist);
}

.page-contact .c-flow__link {
  color: var(--ng-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ng-hair-hot);
}

.page-contact .c-flow__link:hover,
.page-contact .c-flow__link:focus-visible {
  color: var(--ng-data);
}

/* ---------- 问题分类 ---------- */
.page-contact .c-topics {
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
  padding-top: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--ng-hair);
}

.page-contact .c-topics__head {
  max-width: 58ch;
}

.page-contact .c-topics__title {
  font-family: var(--ng-font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.3rem);
  line-height: 1.16;
  letter-spacing: .01em;
  margin: .45rem 0 .6rem;
  color: var(--ng-white);
}

.page-contact .c-topics__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ng-mist);
}

.page-contact .c-topics__list {
  display: grid;
  gap: .6rem;
  margin-top: 1.4rem;
}

.page-contact .c-topic {
  background: var(--ng-panel);
  border: 1px solid var(--ng-hair);
  border-radius: var(--ng-radius);
  padding: .85rem 1rem;
  transition: border-color .2s ease, background-color .2s ease;
}

.page-contact .c-topic[open] {
  border-color: var(--ng-hair-hot);
  background: #0B131A;
}

.page-contact .c-topic__summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .55rem;
  cursor: pointer;
  list-style: none;
}

.page-contact .c-topic__summary::-webkit-details-marker {
  display: none;
}

.page-contact .c-topic__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--ng-font-mono);
  font-size: 1.05rem;
  color: var(--ng-cyan);
}

.page-contact .c-topic[open] .c-topic__summary::after {
  content: "–";
}

.page-contact .c-topic__tag {
  font-family: var(--ng-font-mono);
  font-size: .72rem;
  color: var(--ng-data);
  border: 1px solid var(--ng-hair);
  border-radius: 2px;
  padding: .08rem .38rem;
}

.page-contact .c-topic__name {
  font-family: var(--ng-font-display);
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--ng-white);
}

.page-contact .c-topic__hint {
  font-size: .78rem;
  color: var(--ng-mist);
}

.page-contact .c-topic__body {
  margin: .7rem 0 0;
  font-size: .85rem;
  line-height: 1.8;
  color: var(--ng-mist);
}

/* ---------- 联系方式一览 ---------- */
.page-contact .c-details {
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
  padding-top: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--ng-hair);
}

.page-contact .c-details__title {
  font-family: var(--ng-font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.3rem);
  letter-spacing: .02em;
  margin: 0 0 .5rem;
  color: var(--ng-white);
}

.page-contact .c-details__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ng-mist);
}

.page-contact .c-details__grid {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  margin-top: 1.4rem;
  background: var(--ng-hair);
  border: 1px solid var(--ng-hair);
  border-radius: var(--ng-radius);
  overflow: hidden;
}

.page-contact .c-detail {
  background: var(--ng-void);
  padding: 1.15rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.page-contact .c-detail__label {
  margin: 0;
  font-family: var(--ng-font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--ng-cyan);
}

.page-contact .c-detail__title {
  margin: 0;
  font-family: var(--ng-font-display);
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--ng-white);
}

.page-contact .c-detail__value {
  margin: 0;
  font-family: var(--ng-font-mono);
  font-size: .92rem;
  line-height: 1.5;
  color: var(--ng-data);
  overflow-wrap: anywhere;
}

.page-contact .c-detail__note {
  margin: .1rem 0 0;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--ng-mist);
}

/* ---------- 备案条 ---------- */
.page-contact .c-legal {
  margin-top: clamp(2rem, 5vw, 3rem);
}

.page-contact .c-legal__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.1rem, 3.2vw, 1.6rem);
  border: 1px solid var(--ng-hair);
  border-radius: var(--ng-radius);
  background: linear-gradient(100deg, rgba(41, 242, 224, .10), rgba(255, 75, 43, .08));
}

.page-contact .c-legal__title {
  font-family: var(--ng-font-display);
  font-size: 1.15rem;
  letter-spacing: .05em;
  margin: 0 0 .5rem;
  color: var(--ng-white);
}

.page-contact .c-legal__row {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
}

.page-contact .c-legal__key {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ng-mist);
}

.page-contact .c-legal__val {
  font-family: var(--ng-font-mono);
  font-size: .88rem;
  color: var(--ng-cyan);
  overflow-wrap: anywhere;
}

.page-contact .c-legal__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-contact .c-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
  }
}

@media (min-width: 760px) {
  .page-contact .c-topics__list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .c-details__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .c-legal__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .c-split {
    grid-template-columns: 1.02fr .98fr;
    gap: 1.75rem;
  }

  .page-contact .c-paper {
    order: 1;
    grid-column: 1;
  }

  .page-contact .c-cardpanel {
    order: 2;
    grid-column: 2;
  }

  .page-contact .c-flow__grid {
    grid-template-columns: .92fr 1.08fr;
    align-items: start;
  }

  .page-contact .c-topic__hint {
    margin-left: .2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-topic {
    transition: none;
  }
}
<<<END>>>