.page-contact {
  --c-surface: var(--ink-900);
  --c-card: var(--ink-800);
  background: var(--ink-950);
  color: var(--text);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding: clamp(14px, 2.4vw, 22px) 0 0;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-contact .breadcrumb__item {
  display: flex;
  align-items: center;
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-contact .breadcrumb__link {
  color: var(--mint);
  text-decoration: none;
}

.page-contact .breadcrumb__link:hover {
  color: var(--lime);
}

.page-contact .breadcrumb__link[aria-current] {
  color: var(--slate);
}

/* ---------- 首屏控制台 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 3.5vw, 40px) 0 clamp(34px, 5.5vw, 64px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(120% 78% at 18% 0%, #000 18%, transparent 76%);
  mask-image: radial-gradient(120% 78% at 18% 0%, #000 18%, transparent 76%);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.8vw, 56px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 10px 0 14px;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.78;
  color: var(--mint);
}

.page-contact .checklist {
  position: relative;
  margin-top: clamp(20px, 3vw, 28px);
  padding: clamp(16px, 3vw, 24px);
  background: linear-gradient(158deg, var(--c-card), var(--c-surface));
  border: 1px solid var(--line);
  border-radius: 2px 22px 2px 22px;
}

.page-contact .checklist::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 68px;
  height: 3px;
  background: var(--lime);
}

.page-contact .checklist__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .checklist__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .checklist__item {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 11px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-contact .checklist__item:hover {
  border-color: var(--line-strong);
  background: rgba(59, 199, 243, 0.07);
}

.page-contact .checklist__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .checklist__box {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--blue);
  border-radius: 4px;
  background: transparent;
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-contact .checklist__input:checked + .checklist__box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .checklist__input:checked + .checklist__box::after {
  content: "✓";
  font-weight: 700;
}

.page-contact .checklist__input:focus-visible + .checklist__box {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .checklist__body {
  display: block;
  min-width: 0;
}

.page-contact .checklist__name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .checklist__note {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--slate);
}

.page-contact .checklist__input:checked ~ .checklist__body .checklist__name {
  color: var(--lime);
}

.page-contact .checklist__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .contact-hero__figure {
  margin: clamp(18px, 3vw, 26px) 0 0;
  aspect-ratio: 10 / 7;
}

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

.page-contact .img-frame__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-hero__side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-content: start;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(16px, 3vw, 22px) clamp(16px, 3vw, 22px) clamp(16px, 3vw, 22px) calc(clamp(16px, 3vw, 22px) + 6px);
  background: var(--c-card);
  border: 1px solid var(--line);
  border-radius: 2px 18px 2px 18px;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: var(--blue);
  border-radius: 2px;
}

.page-contact .contact-card--mail::before {
  background: var(--lime);
}

.page-contact .contact-card--addr::before {
  background: var(--mint);
}

.page-contact .contact-card__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .contact-card__value {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.5vw, 19px);
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value:hover {
  color: var(--lime);
}

.page-contact .contact-card__value--text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  letter-spacing: 0;
}

.page-contact .contact-card__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mint);
}

.page-contact .contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--mint);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .copy-btn:hover {
  background: rgba(216, 255, 62, 0.14);
  color: var(--lime);
}

.page-contact .copy-btn[data-copied] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-950);
}

/* ---------- 自助入口条 ---------- */
.page-contact .contact-shortcuts {
  padding: clamp(20px, 3.4vw, 30px) 0;
  background: var(--c-surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-shortcuts__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 900;
  color: var(--paper);
}

.page-contact .contact-shortcuts__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-contact .contact-shortcuts__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 10px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 2px 12px 2px 12px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-contact .contact-shortcuts__link:hover {
  border-color: var(--line-strong);
  background: rgba(59, 199, 243, 0.08);
  color: var(--lime);
}

.page-contact .contact-shortcuts__desc {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 战报问题 ---------- */
.page-contact .contact-brief {
  padding: clamp(36px, 6vw, 68px) 0;
}

.page-contact .contact-brief__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 38px);
}

.page-contact .contact-brief__title,
.page-contact .coop__title,
.page-contact .contact-hours__title,
.page-contact .contact-visit__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.16;
  margin: 8px 0 14px;
  color: var(--paper);
}

.page-contact .contact-brief__lead,
.page-contact .coop__lead,
.page-contact .contact-hours__lead,
.page-contact .contact-visit__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mint);
}

.page-contact .contact-brief__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-brief__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mint);
}

.page-contact .contact-brief__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .mail-template {
  padding: clamp(16px, 3vw, 26px);
  background: var(--ink-950);
  border: 1px solid var(--line-strong);
  border-radius: 2px 20px 2px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--mint);
}

.page-contact .mail-template__head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .mail-template__row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
  overflow-wrap: anywhere;
}

.page-contact .mail-template__key {
  color: var(--blue);
}

.page-contact .mail-template__foot {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.66;
  color: var(--slate);
}

/* ---------- 合作 ---------- */
.page-contact .coop {
  padding: clamp(36px, 6vw, 68px) 0;
  background: var(--c-surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .coop__head {
  max-width: 62ch;
}

.page-contact .coop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 3.5vw, 30px);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.8vw, 24px);
  background: linear-gradient(178deg, var(--c-card), rgba(17, 53, 40, 0.55));
  border: 1px solid var(--line);
  border-radius: 2px 20px 2px 20px;
}

.page-contact .coop-card__idx {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .coop-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.8vw, 22px);
  color: var(--paper);
}

.page-contact .coop-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mint);
}

.page-contact .coop__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--blue);
  background: rgba(59, 199, 243, 0.07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mint);
  overflow-wrap: anywhere;
}

.page-contact .coop__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .coop__note a:hover {
  color: var(--paper);
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-hours {
  padding: clamp(36px, 6vw, 68px) 0;
}

.page-contact .contact-hours__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-contact .contact-hours__figure {
  margin: 0;
  aspect-ratio: 2 / 1;
}

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

.page-contact .status-row {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 24px);
}

.page-contact .status-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--blue);
  background: rgba(59, 199, 243, 0.07);
  font-size: 14px;
  line-height: 1.68;
  color: var(--mint);
}

.page-contact .status-item strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: 6px;
}

.page-contact .status-item--live {
  border-left-color: var(--lime);
  background: rgba(216, 255, 62, 0.09);
}

.page-contact .status-item--warn {
  border-left-color: var(--amber);
  background: rgba(255, 209, 102, 0.08);
}

.page-contact .status-dot {
  width: 8px;
  height: 8px;
  margin-top: 0.5em;
  border-radius: 50%;
  background: var(--blue);
}

.page-contact .status-item--live .status-dot {
  background: var(--lime);
}

.page-contact .status-item--warn .status-dot {
  background: var(--amber);
}

/* ---------- 到访 ---------- */
.page-contact .contact-visit {
  padding: clamp(36px, 6vw, 68px) 0 clamp(44px, 7vw, 80px);
  background: var(--c-surface);
  border-top: 1px solid var(--line);
}

.page-contact .contact-visit__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-contact .visit-facts {
  margin: clamp(18px, 3vw, 24px) 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .visit-facts__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .visit-facts dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
  padding-top: 2px;
}

.page-contact .visit-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-visit__link {
  margin-top: clamp(18px, 3vw, 24px);
}

.page-contact .contact-visit__map {
  padding: clamp(14px, 3vw, 22px);
  border: 1px solid var(--line);
  border-radius: 2px 22px 2px 22px;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--ink-950);
}

.page-contact .route-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-visit__caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

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

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

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

@media (min-width: 900px) {
  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

  .page-contact .contact-hours__inner,
  .page-contact .contact-visit__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-contact .contact-card--addr {
    grid-column: auto;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-shortcuts__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .checklist__item,
  .page-contact .checklist__box,
  .page-contact .copy-btn,
  .page-contact .contact-shortcuts__link {
    transition: none;
  }
}