.page-contact {
  --pc-rule: rgba(43, 240, 208, 0.18);
  --pc-pad: clamp(16px, 2.4vw, 26px);
  display: block;
  background:
    radial-gradient(820px 440px at 6% -6%, rgba(43, 240, 208, 0.08), transparent 62%),
    radial-gradient(620px 400px at 98% 14%, rgba(242, 193, 78, 0.05), transparent 66%),
    var(--bg-abyss);
  color: var(--text-primary);
}

.page-contact .page-shell {
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* ---------- 页首 ---------- */

.page-contact .contact-lead {
  padding: clamp(22px, 4vw, 46px) 0 clamp(20px, 3.2vw, 34px);
  border-bottom: 1px solid var(--line-leaf);
}

.page-contact .contact-lead__inner {
  border-left: 3px solid var(--accent-gold);
  padding-left: clamp(14px, 2.4vw, 28px);
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-contact .contact-lead h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(28px, 5.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-contact .contact-lead__sub {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.55;
  color: var(--accent-cyan-soft);
  max-width: 40em;
}

.page-contact .contact-lead__text {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 42em;
}

.page-contact .contact-lead__facts {
  margin: clamp(6px, 1.2vw, 10px) 0 0;
  display: grid;
  border: 1px solid var(--line-leaf);
  background: var(--glass-panel);
  backdrop-filter: blur(6px);
}

.page-contact .contact-lead__facts > div {
  display: grid;
  grid-template-columns: minmax(76px, 96px) minmax(0, 1fr);
  gap: 12px;
  padding: 12px clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--line-leaf);
}

.page-contact .contact-lead__facts > div:first-child {
  border-top: 0;
}

.page-contact .contact-lead__facts dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
}

.page-contact .contact-lead__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  word-break: break-word;
}

/* ---------- 图片 ---------- */

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .contact-banner {
  margin: clamp(22px, 3.4vw, 40px) 0 0;
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 1px solid var(--line-leaf);
  background: var(--bg-field);
  filter: saturate(0.7) contrast(1.06);
}

.page-contact .contact-banner figcaption,
.page-contact .contact-scene figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 46em;
}

.page-contact .contact-scene {
  margin: clamp(24px, 4vw, 48px) 0 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-scene img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--line-leaf);
  background: var(--bg-field);
  filter: saturate(0.68) contrast(1.04);
}

/* ---------- 区块节奏 ---------- */

.page-contact .pc-block {
  margin-top: clamp(44px, 7vw, 88px);
}

/* ---------- 联系渠道 ---------- */

.page-contact .channel-row {
  margin-top: clamp(18px, 2.6vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-contact .channel-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pc-pad);
  border: 1px solid var(--line-leaf);
  border-top: 3px solid var(--accent-cyan);
  border-radius: var(--radius);
}

.page-contact .channel-card:nth-child(2) {
  border-top-color: var(--accent-gold);
}

.page-contact .channel-card:nth-child(3) {
  border-top-color: var(--accent-cyan-soft);
}

.page-contact .channel-card__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.5;
  color: var(--accent-cyan);
  word-break: break-word;
  user-select: all;
}

.page-contact .channel-card:nth-child(2) .channel-card__value {
  color: var(--accent-gold);
}

.page-contact .channel-card:nth-child(3) .channel-card__value {
  color: var(--accent-cyan-soft);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .channel-foot {
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--accent-red);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 52em;
}

/* ---------- 问题分类 ---------- */

.page-contact .filter-bar {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .filter-chip {
  border-radius: var(--radius);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-contact .filter-chip[aria-pressed="true"] {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #FFF4F4;
}

.page-contact .filter-status {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.page-contact .problem-panels {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-contact .problem-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pc-pad);
  border: 1px solid var(--line-leaf);
  border-left: 2px solid var(--accent-cyan);
  background: var(--bg-field);
  border-radius: var(--radius);
}

.page-contact .problem-panel[hidden] {
  display: none;
}

.page-contact .problem-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .problem-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .problem-panel__hint {
  font-size: 12px !important;
  letter-spacing: 0.12em;
  color: var(--accent-cyan) !important;
}

.page-contact .problem-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .problem-panel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
}

.page-contact .problem-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--accent-gold);
}

.page-contact .problem-panel__route {
  margin-top: auto !important;
  padding-top: 10px;
  border-top: 1px solid var(--line-leaf);
  font-size: 13px !important;
}

.page-contact .problem-panel__route a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-rule);
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-contact .problem-panel__route a:hover {
  color: var(--accent-cyan-soft);
  border-bottom-color: var(--accent-cyan-soft);
}

/* ---------- 回复时段 ---------- */

.page-contact .hours-stack {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 62em;
}

.page-contact .hours {
  border-top: 1px solid var(--line-leaf);
  padding: clamp(14px, 2vw, 20px) 0;
}

.page-contact .hours:last-of-type {
  border-bottom: 1px solid var(--line-leaf);
}

.page-contact .hours__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: condensed;
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

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

.page-contact .hours__sum::marker {
  content: "";
}

.page-contact .hours__time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-gold);
}

.page-contact .hours__flag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--accent-cyan);
  transition: transform var(--dur-2) var(--ease);
}

.page-contact .hours[open] .hours__flag {
  transform: rotate(45deg);
}

.page-contact .hours__body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 44em;
}

/* ---------- 本地服务说明 ---------- */

.page-contact .local-note__body {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
  max-width: 48em;
}

.page-contact .local-note__body p {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.95;
  color: var(--text-muted);
}

/* ---------- 引用约定 ---------- */

.page-contact .cite-list {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: none;
}

.page-contact .cite-item {
  display: grid;
  grid-template-columns: minmax(38px, 52px) minmax(0, 1fr);
  gap: clamp(10px, 1.6vw, 20px);
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--line-leaf);
}

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

.page-contact .cite-item__idx {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 26px);
  line-height: 1;
  color: var(--accent-gold);
  font-weight: 700;
}

.page-contact .cite-item__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: condensed;
  font-size: clamp(16px, 1.9vw, 19px);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .cite-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 44em;
}

/* ---------- 结尾入口 ---------- */

.page-contact .next-step {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .next-step > h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .next-step__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板以上 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-lead__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-lead__facts > div {
    display: block;
    border-top: 0;
    border-left: 1px solid var(--line-leaf);
  }

  .page-contact .contact-lead__facts > div:first-child {
    border-left: 0;
  }

  .page-contact .contact-lead__facts dt {
    display: block;
    margin-bottom: 8px;
  }

  .page-contact .contact-lead__facts dd {
    font-size: 14px;
  }

  .page-contact .channel-row {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

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

@media (min-width: 1000px) {
  .page-contact .contact-scene {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    align-items: end;
    margin-left: clamp(0px, 5vw, 84px);
  }

  .page-contact .contact-scene figcaption {
    margin-top: 0;
    padding-bottom: 4px;
  }
}