.page-contact {
  position: relative;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--white);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(138, 155, 181, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 155, 181, .06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .4) 52%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .4) 52%, transparent 100%);
}

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

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  padding: clamp(16px, 2.6vw, 30px) 0 clamp(26px, 4vw, 46px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  align-items: end;
}

.page-contact .hero-title {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.2vw, 56px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: .06em;
  color: var(--white);
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 48ch;
  color: var(--mist);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
}

.page-contact .hero-meta {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-contact .section-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.6vw, 31px);
  line-height: 1.34;
  letter-spacing: .05em;
  color: var(--white);
}

.page-contact .section-lead {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 联系渠道卡片带 ---------- */
.page-contact .band {
  padding: clamp(26px, 4vw, 48px) 0;
}

.page-contact .band-canvas {
  position: relative;
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-contact .band-backdrop {
  position: absolute;
  inset: -9% -2% -12%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .band-backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: grayscale(.45) contrast(.9);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 78%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 78%, transparent 100%);
}

.page-contact .channel-row {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  background: linear-gradient(160deg, rgba(19, 28, 46, .95) 0%, rgba(11, 18, 32, .98) 100%);
  border: 1px solid var(--hair);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--hair-cyan);
  background: linear-gradient(160deg, rgba(24, 36, 58, .96) 0%, rgba(13, 21, 36, .99) 100%);
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel-icon {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  color: var(--cyan);
  border: 1px solid var(--hair-cyan);
}

.page-contact .channel-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .channel-card .copy-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .channel-card .contact-val {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--white);
  word-break: break-all;
}

.page-contact .channel-card .copy-btn {
  flex: none;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--hair-cyan);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-contact .channel-card .copy-btn:hover {
  background: rgba(51, 225, 225, .12);
}

.page-contact .channel-card .copy-btn[data-copied="true"] {
  color: var(--anchor);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channel-use {
  flex: 1;
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .channel-time {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-dim);
}

/* ---------- 咨询准备 ---------- */
.page-contact .prep {
  padding: clamp(26px, 4vw, 48px) 0;
}

.page-contact .prep-split {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .prep-item:first-child {
  border-top: 1px solid var(--hair);
}

.page-contact .prep-index {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--cyan);
  background: rgba(14, 59, 63, .45);
  border: 1px solid var(--hair-cyan);
}

.page-contact .prep-title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .prep-text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .prep-figure {
  margin: 0;
}

.page-contact .prep-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--ink-layer);
  border: 1px solid var(--hair);
  object-fit: cover;
}

.page-contact .prep-figure .media-caption {
  display: block;
  margin-top: 10px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 咨询分流 ---------- */
.page-contact .routing {
  padding: clamp(26px, 4vw, 48px) 0;
}

.page-contact .route-grid {
  display: grid;
  gap: 18px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--ink-layer);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--cyan-dim);
  transition: border-color .2s ease, transform .2s ease;
}

.page-contact .route-card:hover {
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.page-contact .route-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .route-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .route-text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-contact .route-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}

.page-contact .route-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 消息处理 ---------- */
.page-contact .aftercare {
  padding: clamp(26px, 4vw, 48px) 0;
}

.page-contact .after-panel {
  position: relative;
  padding: clamp(22px, 3vw, 36px);
  background: linear-gradient(135deg, rgba(14, 59, 63, .5) 0%, rgba(19, 28, 46, .93) 58%);
  border: 1px solid var(--hair);
  border-top: 2px solid var(--hair-amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .after-lead {
  margin: 0;
  max-width: 70ch;
  color: var(--white);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-contact .after-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .after-list li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-contact .after-mark {
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(51, 225, 225, .14);
}

.page-contact .after-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-cyan);
}

.page-contact .inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 底部引导带 ---------- */
.page-contact .cta-band {
  padding: clamp(26px, 4vw, 52px) 0 clamp(40px, 5vw, 72px);
}

.page-contact .cta-inner {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.4vw, 40px);
  background: linear-gradient(120deg, rgba(51, 225, 225, .1) 0%, rgba(19, 28, 46, .9) 46%, rgba(11, 18, 32, .96) 100%);
  border: 1px solid var(--hair-cyan);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-contact .cta-copy h2 {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.42;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .cta-text {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }

  .page-contact .route-card:nth-child(even) {
    margin-top: 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
  }

  .page-contact .prep-split {
    grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (max-width: 479px) {
  .page-contact .prep-item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .prep-index {
    width: 38px;
    height: 38px;
    font-size: 12.5px;
  }

  .page-contact .channel-card .copy-field {
    align-items: flex-start;
    flex-direction: column;
  }
}