.page-contact {
  --ct-sticky: calc(var(--cmd-h) + 1.5rem);
  --ct-dur: 180ms;
  --ct-taint: rgba(18, 58, 85, .46);
  --ct-taint-soft: rgba(18, 58, 85, .3);
  --ct-body: rgba(242, 247, 250, .78);
  --ct-quiet: rgba(242, 247, 250, .62);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2.25rem, 5vw, 3.75rem) 0 clamp(2.75rem, 6.5vw, 5rem);
  background: var(--night);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center 62%;
  opacity: .42;
  filter: saturate(.72) contrast(1.04);
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 23, 38, .5) 0%, rgba(6, 23, 38, .88) 58%, var(--night) 100%),
    radial-gradient(120% 78% at 82% 8%, rgba(53, 240, 208, .16), transparent 62%);
}

.page-contact .contact-hero__band {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -26%;
  z-index: -1;
  height: 62%;
  transform: skewY(-6deg);
  transform-origin: left bottom;
  background: linear-gradient(98deg, rgba(15, 111, 168, .46), rgba(53, 240, 208, .1) 58%, rgba(53, 240, 208, 0) 92%);
  border-top: 1px solid var(--line);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__inner .breadcrumb {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .contact-hero__title {
  margin: .3em 0 .45em;
  max-width: 18ch;
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.025em;
  color: var(--frost);
}

.page-contact .contact-hero__lede {
  max-width: 56ch;
  color: var(--ct-body);
}

.page-contact .contact-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: clamp(1.4rem, 3vw, 2.1rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .5rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 58, 85, .58);
  box-shadow: var(--shadow);
  font-size: .82rem;
  color: var(--frost);
  transition: border-color var(--ct-dur) ease, color var(--ct-dur) ease;
}

.page-contact .contact-hero__chip:hover {
  border-color: rgba(53, 240, 208, .55);
  color: var(--cyan-soft);
}

.page-contact .contact-hero__chip-num {
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 渠道区块 ---------- */
.page-contact .contact-channels__head {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .contact-rail__annot {
  margin: 0 0 .75rem;
  color: var(--slate);
}

.page-contact .contact-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rail;
}

.page-contact .contact-rail__item + .contact-rail__item {
  border-top: 1px solid var(--line);
}

.page-contact .contact-rail__link {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  grid-template-areas:
    "num label"
    "num meta";
  align-items: center;
  gap: .1rem .85rem;
  padding: .85rem .15rem;
  text-decoration: none;
  color: inherit;
  border-left: 2px solid transparent;
  transition: border-color var(--ct-dur) ease, transform var(--ct-dur) ease, background var(--ct-dur) ease;
}

.page-contact .contact-rail__link:hover,
.page-contact .contact-rail__link:focus-visible {
  border-left-color: var(--cyan);
  background: var(--ct-taint-soft);
  transform: translateX(2px);
}

.page-contact .contact-rail__num {
  grid-area: num;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ct-taint);
  font-family: var(--font-data);
  font-size: .9rem;
  color: var(--frost);
  transition: border-color var(--ct-dur) ease, background var(--ct-dur) ease;
}

.page-contact .contact-rail__link:hover .contact-rail__num {
  border-color: var(--cyan);
  background: rgba(15, 111, 168, .4);
}

.page-contact .contact-rail__label {
  grid-area: label;
  font-size: 1rem;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .contact-rail__meta {
  grid-area: meta;
  font-size: .8rem;
  color: var(--ct-quiet);
}

.page-contact .contact-detail__item {
  padding: clamp(1.15rem, 2.4vw, 1.75rem);
  box-shadow: var(--shadow), inset 2px 0 0 var(--ice);
  transition: box-shadow var(--ct-dur) ease, transform var(--ct-dur) ease, border-color var(--ct-dur) ease;
}

.page-contact .contact-detail__item + .contact-detail__item {
  margin-top: clamp(.85rem, 1.8vw, 1.25rem);
}

.page-contact .contact-detail__item:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow), inset 2px 0 0 var(--cyan);
}

.page-contact .contact-detail__item .panel__index {
  font-family: var(--font-data);
  color: var(--cyan);
  letter-spacing: .16em;
}

.page-contact .contact-detail__title {
  margin: .35rem 0 .6rem;
  font-size: clamp(1.1rem, 1.8vw, 1.42rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--frost);
}

.page-contact .contact-detail__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--ct-body);
}

.page-contact .contact-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-detail__value {
  margin: .9rem 0 0;
  font-family: var(--font-data);
  font-size: clamp(.95rem, 1.6vw, 1.14rem);
  letter-spacing: .02em;
  color: var(--cyan-soft);
  word-break: break-word;
}

.page-contact .contact-detail__hint {
  margin: .8rem 0 0;
  padding-top: .75rem;
  border-top: 1px dashed var(--line);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--ct-quiet);
}

/* ---------- 斜切分隔带 ---------- */
.page-contact .contact-slash {
  position: relative;
  overflow: hidden;
  margin: clamp(1.75rem, 4vw, 3rem) 0;
}

.page-contact .contact-slash__band {
  transform: skewY(-6deg);
  padding: clamp(2.6rem, 5.5vw, 3.8rem) 0;
  background: linear-gradient(96deg, rgba(15, 111, 168, .55), rgba(53, 240, 208, .14) 58%, rgba(53, 240, 208, 0) 94%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-slash__band > .container {
  transform: skewY(6deg);
}

.page-contact .contact-slash__text {
  margin: 0;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

/* ---------- 合作对接 ---------- */
.page-contact .contact-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 clamp(1.25rem, 2.8vw, 2rem);
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-step {
  display: grid;
  align-content: start;
  gap: .5rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  background: var(--ct-taint);
  transition: background var(--ct-dur) ease;
}

.page-contact .contact-step:hover {
  background: rgba(15, 111, 168, .26);
}

.page-contact .contact-step__num {
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .contact-step__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--frost);
}

.page-contact .contact-step__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--ct-body);
}

.page-contact .contact-coop__kit {
  padding: clamp(1.2rem, 2.6vw, 1.8rem);
}

.page-contact .contact-checklist {
  display: grid;
  gap: .5rem;
  margin: .85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--ct-body);
}

.page-contact .contact-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .6rem;
  height: .6rem;
  border: 1px solid var(--cyan);
  border-radius: 1px;
  background: rgba(53, 240, 208, .16);
}

.page-contact .contact-coop__note {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px dashed var(--line);
  font-size: .87rem;
  line-height: 1.7;
  color: var(--ct-quiet);
}

/* ---------- 栏目咨询与纠错 ---------- */
.page-contact .contact-ask__link {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-decoration-color: rgba(53, 240, 208, .45);
  text-underline-offset: 3px;
  transition: color var(--ct-dur) ease;
}

.page-contact .contact-ask__link:hover {
  color: var(--cyan);
}

.page-contact .contact-ask__bar {
  margin-bottom: clamp(1rem, 2.2vw, 1.5rem);
}

.page-contact .contact-ask__list {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-ask__item {
  display: grid;
  gap: .35rem;
  padding: .95rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ct-taint-soft);
  transition: border-color var(--ct-dur) ease, transform var(--ct-dur) ease, background var(--ct-dur) ease;
}

.page-contact .contact-ask__item:hover {
  border-color: rgba(53, 240, 208, .5);
  background: var(--ct-taint);
  transform: translateY(-2px);
}

.page-contact .contact-ask__item .tag {
  justify-self: start;
}

.page-contact .contact-ask__title {
  margin: .15rem 0 0;
  font-size: .98rem;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .contact-ask__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--ct-body);
}

.page-contact .contact-ask__empty {
  margin: 1rem 0 0;
  font-size: .9rem;
  color: var(--slate);
}

/* ---------- 场馆信息补充 ---------- */
.page-contact .contact-venue__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .contact-venue__body .section__title {
  margin-top: .35rem;
}

.page-contact .contact-venue__fields {
  display: grid;
  gap: .1rem;
  margin: clamp(1.2rem, 2.6vw, 1.8rem) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-venue__field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem;
  padding: .85rem .15rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-venue__field dt {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--cyan-soft);
}

.page-contact .contact-venue__field dd {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--ct-body);
}

.page-contact .contact-venue__note {
  margin: 1.1rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--ct-quiet);
}

.page-contact .contact-venue__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--steel);
  box-shadow: var(--shadow);
}

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

.page-contact .contact-venue__caption {
  padding: .85rem 1rem;
  border-top: 1px solid var(--line);
  font-size: .82rem;
  line-height: 1.65;
  color: var(--ct-quiet);
}

/* ---------- 联系方式与回复节奏 ---------- */
.page-contact .contact-reach__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-reach__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .25rem;
  padding: 1rem .15rem;
  border-bottom: 1px solid var(--line);
  transition: background var(--ct-dur) ease;
}

.page-contact .contact-reach__row:hover {
  background: rgba(18, 58, 85, .3);
}

.page-contact .contact-reach__key {
  font-size: .84rem;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .contact-reach__val {
  display: grid;
  gap: .22rem;
  margin: 0;
}

.page-contact .contact-reach__strong {
  font-family: var(--font-data);
  font-size: clamp(.94rem, 1.5vw, 1.12rem);
  letter-spacing: .02em;
  color: var(--cyan-soft);
  word-break: break-word;
}

.page-contact .contact-reach__hint {
  font-size: .86rem;
  line-height: 1.7;
  color: var(--ct-quiet);
}

.page-contact .contact-tempo {
  margin-top: clamp(1.4rem, 3vw, 2.25rem);
  padding: clamp(1.2rem, 2.6vw, 1.8rem);
}

.page-contact .contact-tempo__list {
  margin: .85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-tempo__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .15rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-tempo__label {
  font-size: .93rem;
  color: rgba(242, 247, 250, .86);
}

.page-contact .contact-tempo__value {
  font-family: var(--font-data);
  font-size: .88rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .contact-tempo__note {
  margin: 1rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line);
  font-size: .85rem;
  line-height: 1.7;
  color: var(--ct-quiet);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-venue__field {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: 1.15rem;
    align-items: baseline;
  }

  .page-contact .contact-reach__row {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }

  .page-contact .contact-tempo__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 1.35rem;
  }
}

@media (min-width: 768px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-venue__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(1.6rem, 3.6vw, 3rem);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: clamp(1.75rem, 3.4vw, 3rem);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: var(--ct-sticky);
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero__title {
    font-size: clamp(1.85rem, 8.6vw, 2.4rem);
    max-width: none;
  }

  .page-contact .contact-hero__chip {
    font-size: .78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-rail__link,
  .page-contact .contact-detail__item,
  .page-contact .contact-ask__item,
  .page-contact .contact-step,
  .page-contact .contact-hero__chip {
    transition: none;
  }

  .page-contact .contact-detail__item:hover,
  .page-contact .contact-ask__item:hover,
  .page-contact .contact-rail__link:hover {
    transform: none;
  }
}