.page-contact {
  --fc-cut: 18px;
  --fc-line: rgba(58, 107, 96, 0.55);
  --fc-line-soft: rgba(58, 107, 96, 0.28);
  --fc-panel: rgba(18, 58, 47, 0.9);
  --fc-panel-d: rgba(11, 42, 34, 0.72);
}

.page-contact > .wrap:first-child {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-contact .sec-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ================= 首屏 ================= */

.page-contact .fc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 46px);
  align-items: end;
  padding-bottom: clamp(20px, 3vw, 36px);
  border-bottom: 1px solid var(--fc-line);
}

.page-contact .fc-hero__idx {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--sage);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--mist);
  max-width: 15ch;
}

.page-contact .fc-hero__lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .fc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 值班面板 */

.page-contact .fc-duty {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 22px 22px;
  background: linear-gradient(152deg, rgba(18, 58, 47, 0.95) 0%, rgba(11, 42, 34, 0.6) 100%);
  box-shadow: inset 0 0 0 1px var(--fc-line);
  clip-path: polygon(
    var(--fc-cut) 0,
    100% 0,
    100% calc(100% - var(--fc-cut)),
    calc(100% - var(--fc-cut)) 100%,
    0 100%,
    0 var(--fc-cut)
  );
}

.page-contact .fc-duty__v {
  writing-mode: vertical-rl;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--sage);
  justify-self: start;
}

.page-contact .fc-duty__main {
  min-width: 0;
}

.page-contact .fc-duty__live {
  margin: 0 0 4px;
}

.page-contact .fc-duty__list {
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .fc-duty__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 14px;
  padding: 9px 0;
  border-top: 1px solid var(--fc-line-soft);
}

.page-contact .fc-duty__row dt {
  font-size: 13px;
  color: var(--sage);
}

.page-contact .fc-duty__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

/* ================= 反馈分类 ================= */

.page-contact .fc-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 28px);
  align-items: start;
}

.page-contact .fc-cats__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .fc-cat {
  position: relative;
  align-self: start;
  background: linear-gradient(160deg, rgba(18, 58, 47, 0.92) 0%, rgba(11, 42, 34, 0.68) 100%);
  box-shadow: inset 0 0 0 1px var(--fc-line);
  transition: box-shadow var(--speed) ease, background var(--speed) ease;
}

.page-contact .fc-cat--a {
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.page-contact .fc-cat--b {
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-contact .fc-cat--c {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .fc-cat--d {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-contact .fc-cat.is-open {
  background: linear-gradient(160deg, rgba(23, 74, 60, 0.96) 0%, rgba(11, 42, 34, 0.82) 100%);
  box-shadow: inset 0 0 0 1px rgba(127, 216, 255, 0.62);
}

.page-contact .fc-cat__btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .fc-cat__idx {
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

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

.page-contact .fc-cat__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .fc-cat__sub {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-contact .fc-cat__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-contact .fc-cat__sign::before,
.page-contact .fc-cat__sign::after {
  content: "";
  position: absolute;
  background: var(--ice);
  transition: transform var(--speed) ease, opacity var(--speed) ease;
}

.page-contact .fc-cat__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-contact .fc-cat__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-contact .fc-cat.is-open .fc-cat__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .accordion__panel.fc-cat__panel {
  display: none;
  padding: 0 18px 18px;
}

.page-contact .fc-cat.is-open .accordion__panel.fc-cat__panel,
.page-contact .fc-cat__panel.is-open {
  display: block;
}

.page-contact .fc-cat__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .fc-cat__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ice-deep);
  color: rgba(127, 216, 255, 0.72);
}

.page-contact .fc-cat__more {
  margin: 14px 0 0;
}

.page-contact .fc-cat__link {
  display: inline-block;
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 216, 255, 0.4);
  padding-bottom: 2px;
}

.page-contact .fc-cat__link:hover,
.page-contact .fc-cat__link:focus-visible {
  border-bottom-color: var(--ice);
}

/* 分类图 */

.page-contact .fc-cats__fig {
  margin: 0;
  align-self: start;
  min-width: 0;
}

.page-contact .fc-cats__fig .figure__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
}

/* ================= 联系渠道 ================= */

.page-contact .fc-chan {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .fc-chan__card {
  position: relative;
  padding: 22px 20px 24px;
  background: linear-gradient(170deg, rgba(18, 58, 47, 0.9) 0%, rgba(11, 42, 34, 0.62) 100%);
  box-shadow: inset 0 0 0 1px var(--fc-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  overflow-wrap: anywhere;
}

.page-contact .fc-chan__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 3px;
  background: var(--ice);
}

.page-contact .fc-chan__card--b::before {
  background: var(--track);
}

.page-contact .fc-chan__k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--sage);
}

.page-contact .fc-chan__v {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--mist);
}

.page-contact .fc-chan__d {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .fc-band {
  margin: clamp(20px, 3vw, 32px) 0 0;
  min-width: 0;
}

.page-contact .fc-band .figure__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
}

/* ================= 高峰期排优先级 ================= */

.page-contact .fc-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .fc-clock {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 2px solid var(--fc-line);
}

.page-contact .fc-clock__slot {
  position: relative;
  padding: 20px 8px 0 0;
  min-width: 0;
}

.page-contact .fc-clock__slot::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  width: 2px;
  height: 14px;
  background: var(--ice-deep);
}

.page-contact .fc-clock__slot--hot::before {
  background: var(--track);
  height: 20px;
  top: -12px;
}

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

.page-contact .fc-clock__slot--hot .fc-clock__t {
  color: var(--track);
}

.page-contact .fc-clock__l {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-contact .fc-flow__legend {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .fc-pri {
  min-width: 0;
}

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

.page-contact .fc-pri__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 13px 0;
  border-top: 1px solid var(--fc-line-soft);
  align-items: baseline;
}

.page-contact .fc-pri__row:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .fc-pri__rank {
  font-size: 13px;
  font-weight: 700;
  color: var(--ice);
}

.page-contact .fc-pri__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--mist);
}

.page-contact .fc-pri__meta {
  grid-column: 2;
  font-size: 13px;
  color: var(--sage);
}

/* ================= 合作洽谈 ================= */

.page-contact .fc-biz {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  align-items: start;
}

.page-contact .fc-biz__types {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}

.page-contact .fc-biz__type {
  padding: 18px 0 4px;
  border-top: 1px solid var(--fc-line);
  min-width: 0;
}

.page-contact .fc-biz__type-k {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--ice-deep);
  color: rgba(127, 216, 255, 0.7);
}

.page-contact .fc-biz__type-t {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .fc-biz__type p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .fc-biz__steps {
  min-width: 0;
}

.page-contact .fc-biz__flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .fc-biz__flow li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .fc-biz__flow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .fc-biz__flow .mono {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ice);
  margin-bottom: 3px;
}

.page-contact .fc-biz__more {
  margin: 20px 0 0;
}

.page-contact .fc-biz__link {
  display: inline-block;
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 216, 255, 0.4);
  padding-bottom: 2px;
}

.page-contact .fc-biz__link:hover,
.page-contact .fc-biz__link:focus-visible {
  border-bottom-color: var(--ice);
}

/* ================= 站点信息 ================= */

.page-contact .fc-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--fc-line);
}

.page-contact .fc-meta__cell {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--fc-line-soft);
  min-width: 0;
}

.page-contact .fc-meta__cell dt {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-contact .fc-meta__cell dd {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
  overflow-wrap: anywhere;
}

/* ================= 响应式 ================= */

@media (min-width: 640px) {
  .page-contact .fc-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .fc-meta__cell {
    padding: 15px 18px;
  }

  .page-contact .fc-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-left: 1px solid var(--fc-line-soft);
  }

  .page-contact .fc-meta__cell {
    border-right: 1px solid var(--fc-line-soft);
  }
}

@media (min-width: 900px) {
  .page-contact .fc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .fc-cats {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  }

  .page-contact .fc-flow {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .fc-biz {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .fc-biz__types {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

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

@media (min-width: 1100px) {
  .page-contact .fc-cats__fig {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fc-cat,
  .page-contact .fc-cat__sign::before,
  .page-contact .fc-cat__sign::after {
    transition: none;
  }
}