.page-contact {
  --pc-shadow: 8px 8px 0 rgba(7, 11, 14, .88);
  --pc-gap: clamp(18px, 3vw, 36px);
  color: var(--paper);
}

.page-contact .crumb {
  padding: clamp(18px, 3vw, 28px) 0 0;
}

.page-contact .crumb-sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 46px) 0 clamp(52px, 7vw, 92px);
  background:
    radial-gradient(720px 320px at 82% -12%, rgba(184, 255, 60, .12), transparent 70%),
    radial-gradient(520px 300px at 4% 108%, rgba(255, 122, 47, .14), transparent 72%),
    linear-gradient(180deg, var(--leyu) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    repeating-linear-gradient(0deg, var(--line-faint) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px 76px);
}

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

.page-contact h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 800;
  max-width: 16em;
}

.page-contact .hero-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.75;
  color: rgba(242, 244, 241, .84);
}

.page-contact .hero-grid {
  margin-top: clamp(30px, 5vw, 52px);
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

/* 亮面信息板 */
.page-contact .board {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: var(--pc-shadow);
  padding: clamp(20px, 4vw, 30px);
}

.page-contact .board-tag {
  display: block;
  color: var(--leyu-2);
  margin: 0 0 6px;
}

.page-contact .f-row {
  padding: 16px 0;
  border-bottom: 1px dashed rgba(11, 59, 74, .32);
}

.page-contact .f-key {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--leyu-2);
}

.page-contact .f-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .f-val {
  font-family: var(--mono);
  font-size: clamp(14px, 3.6vw, 17px);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.page-contact .copy {
  flex: none;
  padding: 7px 12px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1;
  color: var(--leyu);
  background: transparent;
  border: 1px solid var(--leyu);
  border-radius: 0;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-contact .copy:hover {
  background: rgba(11, 59, 74, .08);
}

.page-contact .copy.is-on,
.page-contact .copy[aria-pressed="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.page-contact .copy:focus-visible,
.page-contact .check-input:focus-visible,
.page-contact .addr-more summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

.page-contact .board-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--leyu);
}

/* 坐标刻度框 */
.page-contact .tick-frame {
  position: relative;
  padding: 34px 22px 26px;
  background: rgba(18, 86, 107, .42);
  border: 1px solid var(--line-soft);
}

.page-contact .tick-frame::before,
.page-contact .tick-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 22px);
  opacity: .85;
}

.page-contact .tick-frame::before {
  top: 0;
}

.page-contact .tick-frame::after {
  bottom: 0;
}

.page-contact .tick-tag {
  display: block;
  margin: 0 0 8px;
  color: var(--signal);
}

.page-contact .t-row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .t-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .t-key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--index);
}

.page-contact .t-val {
  font-size: clamp(15px, 3.4vw, 17px);
  line-height: 1.7;
}

.page-contact .t-val--mono {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: .02em;
}

/* ---------- 通用段落节奏 ---------- */
.page-contact .contact-sec {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-contact .contact-sec--split {
  padding-top: 0;
}

.page-contact h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.15;
  letter-spacing: -.01em;
  font-weight: 800;
}

.page-contact .contact-sec p {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 2.3vw, 16px);
  line-height: 1.75;
  color: rgba(242, 244, 241, .82);
}

.page-contact .in-link {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-contact .in-link:hover {
  color: var(--paper);
}

.page-contact .label-mono {
  color: var(--index);
}

/* ---------- 提问方式 ---------- */
.page-contact .ask-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .ask-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .ask-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-faint);
  font-size: clamp(15px, 2.3vw, 16px);
  line-height: 1.75;
  color: rgba(242, 244, 241, .86);
}

.page-contact .ask-idx {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  background: var(--leyu-2);
  border: 1px solid var(--line);
  color: var(--signal);
  font-size: 12px;
}

.page-contact .ask-tail {
  color: rgba(242, 244, 241, .72) !important;
  font-size: 14px !important;
}

.page-contact .ask-figure {
  border: 2px solid var(--ink);
  box-shadow: var(--pc-shadow);
}

.page-contact .frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
}

.page-contact .frame__cap {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--index);
  padding-top: 10px;
}

/* ---------- 办公地址 ---------- */
.page-contact .addr-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .addr-figure {
  border: 1px solid var(--line-soft);
}

.page-contact .addr-more {
  margin-top: 24px;
  background: rgba(18, 86, 107, .38);
  border: 1px solid var(--line-soft);
}

.page-contact .addr-more summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--signal);
}

.page-contact .addr-more summary::-webkit-details-marker {
  display: none;
}

.page-contact .addr-more summary::before {
  content: "+ ";
  color: var(--pulse);
}

.page-contact .addr-more[open] summary::before {
  content: "− ";
}

.page-contact .addr-body {
  padding: 0 18px 16px;
  border-top: 1px solid var(--line-faint);
}

.page-contact .addr-body p {
  margin-top: 14px;
  font-size: 14px;
  color: rgba(242, 244, 241, .78);
}

/* ---------- 备案信息条 ---------- */
.page-contact .contact-band {
  padding: clamp(44px, 6.5vw, 84px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .band-grid {
  margin-top: 22px;
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .band-icp {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(17px, 3.6vw, 24px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--signal);
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  background: rgba(18, 86, 107, .3);
}

.page-contact .band-text p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: clamp(15px, 2.3vw, 16px);
  line-height: 1.75;
  color: rgba(242, 244, 241, .8);
}

.page-contact .band-text p:last-child {
  margin-bottom: 0;
}

/* ---------- 自查清单 ---------- */
.page-contact .check-lead {
  margin-top: 18px !important;
}

.page-contact .checklist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .check-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-faint);
  cursor: pointer;
}

.page-contact .check-input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 22px;
  height: 22px;
  margin: 3px 0 0;
  background: rgba(7, 11, 14, .5);
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-contact .check-input::after {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--signal);
  transform: scale(0);
  transition: transform .18s ease;
}

.page-contact .check-input:checked {
  border-color: var(--signal);
  background: rgba(184, 255, 60, .12);
}

.page-contact .check-input:checked::after {
  transform: scale(1);
}

.page-contact .check-text {
  font-size: clamp(15px, 2.3vw, 16px);
  line-height: 1.75;
  color: rgba(242, 244, 241, .86);
}

.page-contact .check-tail {
  margin-top: 24px !important;
  padding-left: 16px;
  border-left: 2px solid var(--pulse);
  font-size: 14px !important;
  color: rgba(242, 244, 241, .76) !important;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .t-row {
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .band-grid {
    grid-template-columns: minmax(240px, 1fr) minmax(0, 1.4fr);
  }
}

@media (min-width: 940px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-contact .ask-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .addr-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-contact .contact-sec--split .addr-figure {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy,
  .page-contact .check-input,
  .page-contact .check-input::after {
    transition: none;
  }
}