.page-contact {
  background: var(--chrome);
  color: var(--ink);
}

.page-contact section[id] {
  scroll-margin-top: 6.5rem;
}

.page-contact .section {
  padding: clamp(2.5rem, 7vw, 5rem) 0;
}

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

/* ---------- 页首 ---------- */

.page-contact .contact-mast {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(2.25rem, 6vw, 4rem);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(108, 92, 231, .34) 0%, rgba(108, 92, 231, 0) 56%),
    radial-gradient(120% 90% at 0% 100%, rgba(27, 42, 65, .88) 0%, rgba(27, 42, 65, 0) 62%),
    linear-gradient(158deg, var(--pitch-2) 0%, var(--pitch) 100%);
  color: var(--chrome);
}

.page-contact .contact-mast::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--signal) 0 26px, rgba(245, 197, 24, 0) 26px 52px);
  opacity: .6;
  pointer-events: none;
}

.page-contact .mast-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .mast-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-contact .contact-mast .breadcrumb__list {
  color: rgba(244, 247, 245, .66);
  font-size: .8125rem;
}

.page-contact .contact-mast .breadcrumb a {
  color: var(--chalk);
}

.page-contact .contact-mast .breadcrumb a:hover {
  color: var(--signal);
}

.page-contact .mast-kicker {
  margin: 1rem 0 0;
  color: var(--signal);
}

.page-contact h1 {
  margin: .55rem 0 .9rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  line-height: 1.03;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--chrome);
}

.page-contact .mast-lede {
  margin: 0;
  max-width: 36rem;
  color: rgba(244, 247, 245, .86);
}

.page-contact .mast-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.35rem;
  margin: 1.5rem 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: rgba(244, 247, 245, .84);
}

.page-contact .mast-legend li {
  display: inline-flex;
  align-items: center;
}

.page-contact .legend-dot {
  display: inline-block;
  width: .7rem;
  height: .7rem;
  margin-right: .5rem;
  flex: none;
}

.page-contact .legend-dot--signal {
  background: var(--signal);
  border: 2px solid var(--signal);
}

.page-contact .legend-dot--var {
  background: var(--varblue);
  border: 2px solid var(--varblue);
}

.page-contact .legend-dot--red {
  background: var(--red);
  border: 2px solid var(--red);
}

.page-contact .mast-figure {
  margin: 0;
  border: 4px solid var(--chrome);
  background: rgba(244, 247, 245, .08);
  transform: rotate(-1.4deg);
  box-shadow: 12px 14px 0 0 rgba(245, 197, 24, .42);
}

.page-contact .mast-figure .media-frame__tag {
  color: var(--signal);
}

/* ---------- 区块标题 ---------- */

.page-contact .sec-head {
  display: grid;
  gap: .6rem;
  padding-top: .9rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 3px solid var(--pitch);
}

@media (min-width: 800px) {
  .page-contact .sec-head {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 24rem);
    align-items: baseline;
    gap: 1.5rem;
  }
}

.page-contact .sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem);
  line-height: 1.15;
  letter-spacing: .02em;
}

.page-contact .index-num {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .18em;
  color: var(--pitch-2);
  border: 2px solid var(--pitch);
  padding: .1rem .5rem;
  display: inline-block;
}

.page-contact .sec-note {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(16, 24, 21, .66);
}

/* ---------- 01 联系渠道 ---------- */

.page-contact .channel-section {
  background: var(--chrome);
}

.page-contact .channel-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

@media (min-width: 960px) {
  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .channel-list {
  border: 3px solid var(--pitch);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
}

.page-contact .channel {
  position: relative;
  padding: clamp(1.05rem, 3vw, 1.6rem) clamp(1.15rem, 3vw, 1.9rem) clamp(1.05rem, 3vw, 1.6rem) clamp(1.6rem, 4vw, 2.25rem);
  border-bottom: 3px solid var(--pitch);
  transition: background-color 160ms var(--ease);
}

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

.page-contact .channel:hover {
  background: var(--chrome);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 9px;
  background: var(--chalk);
}

.page-contact .channel--mail::before {
  background: var(--signal);
}

.page-contact .channel--tel::before {
  background: var(--varblue);
}

.page-contact .channel--addr::before {
  background: var(--pitch-2);
}

.page-contact .channel-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .22em;
  color: var(--pitch-2);
}

.page-contact .channel-title {
  margin: .2rem 0 .3rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: .03em;
}

.page-contact .channel-value {
  margin: 0 0 .45rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: var(--ink);
}

.page-contact .channel-link {
  color: var(--pitch);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 3px;
  text-underline-offset: 5px;
  transition: color 140ms var(--ease), text-decoration-color 140ms var(--ease);
}

.page-contact .channel-link:hover,
.page-contact .channel-link:focus-visible {
  color: var(--red);
  text-decoration-color: var(--red);
}

.page-contact .channel-meta {
  margin: 0;
  max-width: 36rem;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(16, 24, 21, .74);
}

.page-contact .channel-aside {
  display: grid;
  gap: .9rem;
}

.page-contact .channel-aside .media-frame {
  margin: 0;
  border: 3px solid var(--pitch);
}

.page-contact .aside-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--pitch-2);
}

/* ---------- 02 受理范围 ---------- */

.page-contact .scope-section {
  background: var(--chalk);
  border-top: 3px solid var(--pitch);
  border-bottom: 3px solid var(--pitch);
}

.page-contact .scope-grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2.5rem);
}

@media (min-width: 920px) {
  .page-contact .scope-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-contact .scope-accept-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: .03em;
}

.page-contact .scope-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-contact .scope-list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .8rem;
  padding: .9rem 1.1rem;
  background: var(--chrome);
  border: 2px solid var(--pitch);
  font-size: .9375rem;
  line-height: 1.75;
}

.page-contact .scope-k {
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 700;
  color: var(--pitch);
  letter-spacing: .08em;
}

.page-contact .scope-deny {
  padding: clamp(1.25rem, 3.5vw, 1.75rem);
  background: var(--pitch);
  color: var(--chrome);
  border-left: 9px solid var(--red);
}

.page-contact .scope-deny h3 {
  margin: 0 0 .65rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: .04em;
  color: var(--signal);
}

.page-contact .scope-deny p {
  margin: 0 0 .85rem;
  font-size: .9375rem;
  line-height: 1.72;
  color: rgba(244, 247, 245, .86);
}

.page-contact .scope-deny-list {
  list-style: none;
  margin: 0 0 .85rem;
  padding: 0;
  display: grid;
  gap: .4rem;
  font-size: .9375rem;
  line-height: 1.6;
}

.page-contact .scope-deny-list li {
  position: relative;
  padding-left: 1.15rem;
  color: rgba(244, 247, 245, .94);
}

.page-contact .scope-deny-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--red);
}

.page-contact .scope-deny-note {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .05em;
  color: rgba(244, 247, 245, .58);
}

/* ---------- 03 回复时间 ---------- */

.page-contact .reply-band {
  background: var(--signal);
  color: var(--ink);
  border-top: 3px solid var(--pitch);
  border-bottom: 3px solid var(--pitch);
  padding: clamp(1.75rem, 5vw, 3rem) 0;
}

.page-contact .reply-inner {
  display: grid;
  gap: 1rem;
}

@media (min-width: 880px) {
  .page-contact .reply-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

.page-contact .reply-band .index-num {
  border-color: var(--pitch);
  color: var(--pitch);
}

.page-contact .reply-copy h2 {
  margin: 0 0 .4rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  letter-spacing: .02em;
}

.page-contact .reply-copy p {
  margin: 0;
  max-width: 44rem;
  font-size: .9375rem;
  line-height: 1.75;
}

.page-contact .reply-clock {
  margin: 0;
  padding: .6rem 1rem;
  font-family: var(--font-mono);
  font-size: clamp(.8125rem, 2.3vw, 1rem);
  font-weight: 700;
  letter-spacing: .06em;
  background: var(--pitch);
  color: var(--signal);
  border: 3px solid var(--pitch);
}

/* ---------- 04 资料补正 ---------- */

.page-contact .fix-section {
  background: var(--cream);
}

.page-contact .fix-grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2.5rem);
}

@media (min-width: 920px) {
  .page-contact .fix-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .fix-subtitle {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: .03em;
}

.page-contact .fix-dl {
  margin: 1rem 0 0;
  display: grid;
  border: 3px solid var(--pitch);
  background: var(--chrome);
}

.page-contact .fix-dl > div {
  display: grid;
  gap: .3rem;
  padding: .95rem 1.15rem;
  border-bottom: 2px dashed rgba(11, 59, 46, .32);
}

.page-contact .fix-dl > div:last-child {
  border-bottom: 0;
}

@media (min-width: 560px) {
  .page-contact .fix-dl > div {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

.page-contact .fix-dl dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--pitch-2);
}

.page-contact .fix-dl dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
}

.page-contact .fix-more {
  margin-top: 1.25rem;
  padding: .8rem 1.1rem;
  border: 3px solid var(--pitch);
  background: var(--chrome);
}

.page-contact .fix-more summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .9375rem;
  letter-spacing: .03em;
}

.page-contact .fix-more[open] summary {
  color: var(--pitch-2);
  border-bottom: 2px dashed rgba(11, 59, 46, .3);
  padding-bottom: .5rem;
}

.page-contact .fix-more p {
  margin: .8rem 0 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(16, 24, 21, .8);
}

.page-contact .fix-flow {
  padding: clamp(1.25rem, 3.5vw, 1.85rem);
  background: var(--pitch);
  color: var(--chrome);
  border: 3px solid var(--pitch);
  box-shadow: var(--shadow-hard);
}

.page-contact .fix-flow h3 {
  margin: 0 0 .9rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: .04em;
  color: var(--signal);
}

.page-contact .fix-flow-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .fix-flow-list li {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: .6rem;
  font-size: .9375rem;
  line-height: 1.72;
  color: rgba(244, 247, 245, .9);
}

.page-contact .fix-flow-list .mono {
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--signal);
  padding-top: .2rem;
}

.page-contact .fix-flow-note {
  margin: 0;
  padding-top: .8rem;
  border-top: 2px dashed rgba(244, 247, 245, .25);
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(244, 247, 245, .66);
}

/* ---------- 05 备案与服务区域 ---------- */

.page-contact .region-section {
  background:
    radial-gradient(110% 100% at 8% 0%, rgba(108, 92, 231, .3) 0%, rgba(108, 92, 231, 0) 62%),
    linear-gradient(180deg, var(--night) 0%, var(--pitch) 100%);
  color: var(--chrome);
}

.page-contact .region-grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

@media (min-width: 900px) {
  .page-contact .region-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}

.page-contact .region-section .index-num {
  border-color: rgba(244, 247, 245, .55);
  color: var(--signal);
}

.page-contact .region-copy h2 {
  margin: .85rem 0 .9rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem);
  letter-spacing: .02em;
  color: var(--chrome);
}

.page-contact .region-copy > p {
  margin: 0 0 1.5rem;
  max-width: 34rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: rgba(244, 247, 245, .85);
}

.page-contact .region-dl {
  margin: 0;
  display: grid;
  border: 3px solid rgba(244, 247, 245, .38);
}

.page-contact .region-dl > div {
  display: grid;
  gap: .3rem;
  padding: .85rem 1.15rem;
  border-bottom: 2px dashed rgba(244, 247, 245, .2);
}

.page-contact .region-dl > div:last-child {
  border-bottom: 0;
}

@media (min-width: 560px) {
  .page-contact .region-dl > div {
    grid-template-columns: 8rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

.page-contact .region-dl dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--signal);
}

.page-contact .region-dl dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .9375rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
  color: var(--chrome);
}

.page-contact .region-map {
  position: relative;
  min-height: 15rem;
  display: grid;
  place-items: center;
  border: 3px solid rgba(244, 247, 245, .38);
  background:
    linear-gradient(rgba(244, 247, 245, .07) 1px, transparent 1px) 0 0 / 100% 2.5rem,
    linear-gradient(90deg, rgba(244, 247, 245, .07) 1px, transparent 1px) 0 0 / 2.5rem 100%,
    radial-gradient(circle at 50% 50%, rgba(245, 197, 24, .2) 0%, rgba(245, 197, 24, 0) 64%);
  overflow: hidden;
}

.page-contact .region-map__ring {
  position: absolute;
  border: 2px dashed rgba(245, 197, 24, .55);
  border-radius: 50%;
}

.page-contact .region-map__ring--lg {
  width: 64%;
  aspect-ratio: 1 / 1;
}

.page-contact .region-map__ring--md {
  width: 40%;
  aspect-ratio: 1 / 1;
  border-color: rgba(108, 92, 231, .7);
}

.page-contact .region-map__dot {
  position: relative;
  z-index: 2;
  width: .85rem;
  height: .85rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 7px rgba(245, 197, 24, .2);
}

.page-contact .region-map__label {
  position: absolute;
  left: 1rem;
  bottom: .85rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: rgba(244, 247, 245, .72);
}

/* ---------- 交叉指引 ---------- */

.page-contact .contact-cross {
  padding: clamp(1.5rem, 4vw, 2.25rem) 0;
  background: var(--chrome);
  border-top: 3px solid var(--pitch);
}

.page-contact .contact-cross p {
  margin: 0;
  max-width: 62rem;
  font-size: .9375rem;
  line-height: 1.85;
  color: rgba(16, 24, 21, .78);
}

.page-contact .contact-cross a {
  color: var(--pitch);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
  transition: color 140ms var(--ease), text-decoration-color 140ms var(--ease);
}

.page-contact .contact-cross a:hover,
.page-contact .contact-cross a:focus-visible {
  color: var(--red);
  text-decoration-color: var(--red);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel-link,
  .page-contact .contact-cross a {
    transition: none;
  }

  .page-contact .mast-figure {
    transform: none;
  }
}