.page-contact {
  --pc-cut: 18px;
  --pc-line: rgba(36, 64, 95, .9);
  --pc-soft: rgba(12, 36, 64, .45);
  --pc-glow: rgba(242, 179, 61, .16);
  padding-bottom: clamp(32px, 5vw, 56px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(108px, 15vw, 164px) 0 clamp(34px, 5vw, 60px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(74, 95, 120, .16) 0 1px, transparent 1px 80px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 62%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 62%, transparent 100%);
}

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

.page-contact .hero-intro {
  max-width: 62ch;
  margin-top: 26px;
}

.page-contact .hero-intro .eyebrow {
  position: relative;
  padding-left: 26px;
}

.page-contact .hero-intro .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--vermilion-500);
  transform: translateY(-50%) skewX(-12deg);
}

.page-contact h1 {
  margin: 10px 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: var(--f-3xl);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--text-primary);
}

.page-contact .hero-lead {
  margin: 18px 0 0;
  font-size: var(--f-sm);
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .hero-lead .mono {
  color: var(--gold-400);
  word-break: break-all;
}

/* ---------- 渠道卡片组 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(30px, 4.5vw, 52px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 208px;
  padding: clamp(22px, 3vw, 30px);
  background: linear-gradient(160deg, var(--ink-800) 0%, rgba(12, 36, 64, .5) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--vermilion-500) 0%, var(--gold-400) 58%, transparent 100%);
}

.page-contact .channel-card:nth-of-type(2)::before {
  background: linear-gradient(90deg, var(--gold-400) 0%, var(--vermilion-500) 58%, transparent 100%);
}

.page-contact .ch-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .ch-code {
  font-family: var(--mono);
  font-size: var(--f-2xs);
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--gold-400);
}

.page-contact .ch-kind {
  font-size: var(--f-xs);
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-contact .ch-val {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.page-contact .ch-note {
  margin: auto 0 0;
  font-size: var(--f-xs);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 40ch;
}

.page-contact .window-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(22px, 3vw, 30px);
  background: rgba(5, 19, 31, .72);
  border-left: 2px solid var(--vermilion-500);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .window-panel .label {
  color: var(--text-muted);
}

.page-contact .window-day {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--f-lg);
  color: var(--text-primary);
}

.page-contact .window-time {
  margin: 2px 0 0;
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: .02em;
  color: var(--gold-400);
}

.page-contact .window-note {
  margin: auto 0 0;
  padding-top: 14px;
  font-size: var(--f-xs);
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 地址条 ---------- */
.page-contact .addr-strip {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  padding: 18px 20px;
  background: rgba(12, 36, 64, .42);
  border-left: 2px solid var(--gold-600);
}

.page-contact .addr-code {
  font-family: var(--mono);
  font-size: var(--f-2xs);
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--gold-400);
}

.page-contact .addr-key {
  font-size: var(--f-xs);
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-contact .addr-val {
  font-size: var(--f-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.page-contact .addr-note {
  font-size: var(--f-xs);
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  position: relative;
  padding: clamp(44px, 6.5vw, 82px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: var(--f-xl);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text-primary);
}

.page-contact .sec-lead {
  margin: 0;
  font-size: var(--f-sm);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 46ch;
}

/* ---------- 01 核对清单 ---------- */
.page-contact .check-layout {
  display: grid;
  gap: 30px;
}

.page-contact .check-list {
  border-top: 1px solid var(--pc-line);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 4px;
  border-bottom: 1px solid var(--pc-line);
  cursor: pointer;
  transition: background-color .2s var(--ease);
}

.page-contact .check-item:hover {
  background: var(--pc-soft);
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1px solid var(--slate-600);
  background: transparent;
  cursor: pointer;
  position: relative;
  flex: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .check-box:checked {
  background: var(--vermilion-500);
  border-color: var(--vermilion-500);
}

.page-contact .check-box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-950);
  border-bottom: 2px solid var(--ink-950);
  transform: rotate(42deg);
}

.page-contact .check-box:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-contact .check-copy {
  display: block;
}

.page-contact .check-title {
  display: block;
  font-size: var(--f-sm);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-primary);
}

.page-contact .check-desc {
  display: block;
  margin-top: 4px;
  font-size: var(--f-xs);
  line-height: 1.7;
  color: var(--text-muted);
}

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

.page-contact .check-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .check-cap {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--gold-600);
  font-size: var(--f-xs);
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 02 咨询类型分流 ---------- */
.page-contact .consult-list {
  border-top: 1px solid var(--pc-line);
}

.page-contact .consult-item {
  padding: 20px 4px;
  border-bottom: 1px solid var(--pc-line);
  transition: background-color .24s var(--ease);
}

.page-contact .consult-item:hover {
  background: var(--pc-soft);
}

.page-contact .consult-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.page-contact .consult-idx {
  font-family: var(--mono);
  font-size: var(--f-2xs);
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--vermilion-500);
}

.page-contact .consult-title {
  margin: 0;
  font-size: var(--f-md);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text-primary);
}

.page-contact .consult-link {
  margin-left: auto;
  font-size: var(--f-xs);
  letter-spacing: .06em;
  color: var(--gold-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-contact .consult-link:hover,
.page-contact .consult-link:focus-visible {
  border-bottom-color: var(--gold-400);
}

.page-contact .consult-desc {
  margin: 8px 0 0;
  font-size: var(--f-sm);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 68ch;
}

.page-contact .consult-hint {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .34s var(--ease), opacity .26s var(--ease), margin-top .34s var(--ease);
}

.page-contact .consult-hint p {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold-400);
  font-size: var(--f-xs);
  line-height: 1.7;
  color: var(--text-primary);
}

@media (hover: hover) and (pointer: fine) {
  .page-contact .consult-item:hover .consult-hint {
    max-height: 8em;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (hover: none), (pointer: coarse) {
  .page-contact .consult-hint {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
    overflow: visible;
  }
}

/* ---------- 03 不受理范围 ---------- */
.page-contact .scope-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-item {
  position: relative;
  padding-left: 28px;
  font-size: var(--f-sm);
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .scope-item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .58em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--vermilion-700);
  transform: rotate(45deg);
}

/* ---------- 04 渠道说明 ---------- */
.page-contact .note-band {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 88px) 0;
  margin-top: clamp(38px, 5.5vw, 68px);
  background: var(--ink-950);
}

.page-contact .note-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .note-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
}

.page-contact .note-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(105deg, var(--ink-950) 28%, rgba(5, 19, 31, .68) 100%);
}

.page-contact .note-inner {
  position: relative;
  z-index: 1;
}

.page-contact .note-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .note-cell {
  padding-top: 16px;
  border-top: 2px solid var(--gold-600);
}

.page-contact .note-cell h3 {
  margin: 0 0 8px;
  font-size: var(--f-md);
  font-weight: 700;
  color: var(--text-primary);
}

.page-contact .note-cell p {
  margin: 0;
  font-size: var(--f-sm);
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .note-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 30px;
}

.page-contact .note-tail {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-line);
  font-size: var(--f-xs);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 66ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .sec-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 36px;
  }

  .page-contact .addr-strip {
    grid-template-columns: auto auto 1fr;
    align-items: baseline;
    gap: 6px 18px;
  }

  .page-contact .addr-note {
    grid-column: 1 / -1;
  }

  .page-contact .scope-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 36px;
  }

  .page-contact .note-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, .72fr);
    gap: 20px;
  }
}

@media (min-width: 940px) {
  .page-contact .check-layout {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .note-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 36px;
  }
}

@media (max-width: 620px) {
  .page-contact .consult-link {
    margin-left: 0;
  }

  .page-contact .contact-hero {
    padding-top: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .consult-hint,
  .page-contact .check-item,
  .page-contact .consult-item,
  .page-contact .check-box,
  .page-contact .consult-link {
    transition: none;
  }

  .page-contact .consult-item:hover .consult-hint {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
    overflow: visible;
  }
}