.page-contact {
  --pc-hair: rgba(140, 160, 255, .14);
  --pc-card: rgba(15, 21, 50, .74);
  --pc-panel: rgba(8, 12, 32, .82);
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 4vw, 42px) 0 clamp(32px, 6vw, 76px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -18%;
  width: min(680px, 92vw);
  height: min(680px, 92vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 92, 255, .40), rgba(123, 92, 255, 0) 66%);
  filter: blur(64px);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  bottom: -28%;
  left: -16%;
  width: min(460px, 72vw);
  height: min(460px, 72vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 240, 228, .22), rgba(47, 240, 228, 0) 68%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero .crumbs {
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
  align-items: start;
}

.page-contact .hero-title {
  margin: 14px 0 0;
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--text);
}

.page-contact .hero-title span {
  display: block;
  margin-top: 6px;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-contact .hero-lead {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 48ch;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--text-dim);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* 三步面板 */
.page-contact .steps-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background:
    linear-gradient(155deg, rgba(123, 92, 255, .18), rgba(47, 240, 228, .05) 52%, var(--pc-panel)),
    var(--surface-2);
  box-shadow: var(--shadow);
}

.page-contact .steps-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-neon);
  opacity: .85;
}

.page-contact .steps-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .steps-panel__title {
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .steps-panel__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--text-mute);
  white-space: nowrap;
}

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

.page-contact .steps > li {
  padding: 16px 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .steps > li:first-child {
  border-top: 0;
  padding-top: 18px;
}

.page-contact .step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-contact .step__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .step__body {
  min-width: 0;
}

.page-contact .step__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .step__name a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color .25s ease, border-color .25s ease;
}

.page-contact .step__name a:hover,
.page-contact .step__name a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .step__desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* 首屏主图 */
.page-contact .hero-shot {
  margin: clamp(30px, 5vw, 58px) 0 0;
}

/* ============ 正文区 ============ */
.page-contact .contact-body {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--text-mute);
}

.page-contact .rail-main {
  display: grid;
  gap: clamp(46px, 7vw, 92px);
  min-width: 0;
}

.page-contact .cblock {
  position: relative;
  min-width: 0;
}

.page-contact .cblock::before {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad-neon);
  margin-bottom: 18px;
}

.page-contact .cblock__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 33px);
  line-height: 1.22;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--text);
}

.page-contact .cblock__intro {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--text-dim);
}

.page-contact .cblock__body {
  margin-top: clamp(22px, 3vw, 34px);
}

/* 联系方式条目 */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channel-item {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(19, 26, 58, .76), var(--pc-panel));
  transition: border-color .28s ease, transform .28s ease;
}

.page-contact .channel-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact .channel-item__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--text-mute);
}

.page-contact .channel-item__meta {
  min-width: 0;
}

.page-contact .channel-item__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .channel-item__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.5vw, 15px);
  line-height: 1.6;
  letter-spacing: .01em;
  word-break: break-word;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-contact .channel-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-dim);
}

/* 场景卡 */
.page-contact .scene-grid {
  display: grid;
  gap: 14px;
}

.page-contact .scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.8vw, 26px);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(172deg, rgba(19, 26, 58, .78), var(--pc-panel));
  transition: transform .3s ease, border-color .3s ease;
}

.page-contact .scene:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-contact .scene__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  background: rgba(47, 240, 228, .06);
}

.page-contact .scene__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-contact .scene__text {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-contact .scene__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(47, 240, 228, .42);
  padding-bottom: 2px;
  transition: border-bottom-style .2s ease;
}

.page-contact .scene__link:hover,
.page-contact .scene__link:focus-visible {
  border-bottom-style: solid;
}

/* 来信清单 */
.page-contact .letter-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .letter-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 15px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .letter-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .letter-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-contact .letter-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.84;
  color: var(--text-dim);
}

/* 回复节奏 */
.page-contact .rhythm {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
}

.page-contact .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .rhythm-item {
  position: relative;
  overflow: hidden;
  padding: 16px 18px 16px 24px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: var(--pc-card);
}

.page-contact .rhythm-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 3px;
  background: var(--grad-neon);
}

.page-contact .rhythm-item__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  margin-bottom: 7px;
}

.page-contact .rhythm-item__text {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-contact .rhythm-media {
  margin: 0;
}

/* 收尾 */
.page-contact .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .closing-note {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--text-mute);
}

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

@media (min-width: 880px) {
  .page-contact .channel-item {
    grid-template-columns: 52px minmax(160px, 230px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(16px, 3vw, 28px);
  }

  .page-contact .channel-item__idx {
    padding-top: 4px;
  }

  .page-contact .rhythm {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(34px, 5vw, 64px);
  }
}
<<<END>>>