.page-contact {
  --ct-cut: 18px;
  --ct-rule: var(--fy-steel);
  background: var(--fy-ink);
  color: var(--fy-soft);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-contact .fy-section {
  padding-block: clamp(32px, 5.5vw, 62px);
}

.page-contact .fy-section__head {
  margin-bottom: clamp(20px, 3.6vw, 34px);
  max-width: 66ch;
}

.page-contact .fy-title {
  font-family: var(--fy-font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5.2vw, 3rem);
  line-height: 1.03;
  letter-spacing: -0.015em;
  color: var(--fy-paper);
  margin: 0.22em 0 0.42em;
}

.page-contact .fy-lead {
  color: var(--fy-soft);
  margin: 0;
  line-height: 1.6;
}

.page-contact .fy-prose {
  color: var(--fy-soft);
  line-height: 1.65;
  margin: 0 0 12px;
}

/* 面包屑 */
.page-contact .ct-crumbs {
  padding-inline: var(--fy-gutter);
  padding-top: clamp(14px, 2.6vw, 24px);
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--fy-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fy-gray);
}

.page-contact .ct-crumbs a {
  color: var(--fy-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--fy-t) ease, border-color var(--fy-t) ease;
}

.page-contact .ct-crumbs a:hover,
.page-contact .ct-crumbs a:focus-visible {
  color: var(--fy-cyan);
  border-bottom-color: var(--fy-cyan);
}

.page-contact .ct-crumbs__sep {
  color: var(--ct-rule);
}

.page-contact .ct-crumbs [aria-current="page"] {
  color: var(--fy-mint);
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(18px, 3.4vw, 34px) clamp(34px, 6vw, 72px);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--fy-cyan) 0 90px, var(--ct-rule) 90px 100%);
  opacity: 0.6;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  align-items: end;
}

.page-contact .ct-hero h1 {
  font-family: var(--fy-font-display);
  font-weight: 800;
  font-size: clamp(2.15rem, 8.4vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--fy-paper);
  margin: 0.28em 0 0.4em;
  max-width: 15ch;
}

.page-contact .ct-hero .fy-lead {
  max-width: 54ch;
  font-size: clamp(0.96rem, 2.4vw, 1.05rem);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3.4vw, 28px);
}

.page-contact .ct-hero__visual {
  position: relative;
  margin: 0;
  min-height: clamp(190px, 42vw, 280px);
  border: 2px solid var(--ct-rule);
  background: linear-gradient(155deg, #0d1c2c 0%, #060b14 72%);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
}

.page-contact .ct-hero__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.7) contrast(1.15) brightness(0.78);
}

.page-contact .ct-hero__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 14px;
  font-family: var(--fy-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fy-ink);
  background: var(--fy-cyan);
}

/* 双通道 */
.page-contact .ct-channels {
  display: grid;
  gap: clamp(14px, 2.6vw, 22px);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3.4vw, 32px) clamp(18px, 3.4vw, 30px) clamp(18px, 3vw, 26px);
  background: var(--fy-deep);
  border: 2px solid var(--ct-rule);
  box-shadow: var(--fy-shadow-brut);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--fy-cyan);
}

.page-contact .ct-channel--phone::before {
  background: var(--fy-orange);
}

.page-contact .ct-channel > * {
  padding-left: 12px;
}

.page-contact .ct-channel__kicker {
  margin: 0;
  font-family: var(--fy-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fy-cyan);
}

.page-contact .ct-channel--phone .ct-channel__kicker {
  color: var(--fy-orange);
}

.page-contact .ct-channel__name {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fy-gray);
}

.page-contact .ct-channel__val {
  margin: 0;
  font-family: var(--fy-font-mono);
  font-size: clamp(0.95rem, 3.3vw, 1.32rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--fy-mint);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel--phone .ct-channel__val {
  color: var(--fy-paper);
  letter-spacing: 0.03em;
}

.page-contact .ct-channel__use {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.62;
  color: var(--fy-soft);
}

.page-contact .ct-channel__note {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-rule);
  font-size: 0.79rem;
  line-height: 1.55;
  color: var(--fy-gray);
}

/* 值班时段 */
.page-contact .ct-hours__grid {
  display: grid;
  gap: clamp(22px, 4.4vw, 44px);
}

.page-contact .ct-hours__tip {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--fy-gray);
  border-left: 2px solid var(--ct-rule);
  padding-left: 14px;
}

.page-contact .ct-hours__tip a {
  color: var(--fy-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 245, 210, 0.4);
}

.page-contact .ct-hours__tip a:hover,
.page-contact .ct-hours__tip a:focus-visible {
  border-bottom-color: var(--fy-cyan);
}

.page-contact .ct-clock {
  border: 2px solid var(--ct-rule);
  background: var(--fy-panel);
  padding: clamp(16px, 3vw, 26px);
  box-shadow: var(--fy-shadow-brut);
}

.page-contact .ct-clock__label {
  margin: 0 0 12px;
  font-family: var(--fy-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fy-cyan);
}

.page-contact .ct-clock__bar {
  position: relative;
  height: 28px;
  background: var(--fy-ink);
  border: 1px solid var(--ct-rule);
  overflow: hidden;
}

.page-contact .ct-clock__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(42, 245, 210, 0.9), rgba(42, 245, 210, 0.28));
  box-shadow: 0 0 20px rgba(42, 245, 210, 0.45);
}

.page-contact .ct-clock__bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(140, 160, 181, 0.3) 0 1px,
    transparent 1px 4.1667%
  );
  z-index: 1;
}

.page-contact .ct-clock__legend {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--fy-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fy-gray);
}

.page-contact .ct-clock__note {
  margin: 14px 0 0;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--fy-orange);
}

/* 问题准备 */
.page-contact .ct-prep__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-contact .ct-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(14px, 2.4vw, 20px) 0;
  border-bottom: 1px dashed var(--ct-rule);
}

.page-contact .ct-check__box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--fy-cyan);
  display: grid;
  place-items: center;
  margin-top: 3px;
  flex: none;
}

.page-contact .ct-check__box::after {
  content: "";
  width: 9px;
  height: 4px;
  border-left: 2px solid var(--fy-cyan);
  border-bottom: 2px solid var(--fy-cyan);
  transform: rotate(-45deg) translateY(-1px);
}

.page-contact .ct-check h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fy-paper);
}

.page-contact .ct-check p {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.62;
  color: var(--fy-gray);
}

.page-contact .ct-flow {
  margin: 0;
  border: 2px solid var(--ct-rule);
  background: var(--fy-deep);
  box-shadow: var(--fy-shadow-brut);
  overflow: hidden;
}

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

.page-contact .ct-flow figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--ct-rule);
  font-family: var(--fy-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fy-gray);
  background: var(--fy-panel);
}

/* 地址 */
.page-contact .ct-addr {
  display: grid;
  gap: clamp(18px, 3.6vw, 32px);
  border: 2px solid var(--ct-rule);
  background: var(--fy-deep);
  padding: clamp(18px, 3.6vw, 34px);
}

.page-contact .ct-addr__grid {
  position: relative;
  width: 100%;
  max-width: 230px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--ct-rule);
  background-color: var(--fy-ink);
  background-image:
    linear-gradient(to right, rgba(41, 64, 87, 0.9) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(41, 64, 87, 0.9) 1px, transparent 1px);
  background-size: 33.3333% 33.3333%;
}

.page-contact .ct-addr__pin {
  position: absolute;
  left: 60%;
  top: 42%;
  width: 12px;
  height: 12px;
  background: var(--fy-cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 0 6px rgba(42, 245, 210, 0.16), 0 0 20px rgba(42, 245, 210, 0.7);
}

.page-contact .ct-addr__text {
  margin: 0.3em 0 0.9em;
  font-size: clamp(1.02rem, 2.8vw, 1.34rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--fy-paper);
}

.page-contact .ct-addr__hint {
  margin: 0 0 12px;
  padding: 11px 14px;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--fy-mint);
  background: rgba(42, 245, 210, 0.08);
  border-left: 3px solid var(--fy-cyan);
}

.page-contact .ct-addr__sub {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.6;
  color: var(--fy-gray);
}

/* 合作与纠错 */
.page-contact .ct-folds {
  display: grid;
  gap: 10px;
}

.page-contact .ct-fold {
  border: 1px solid var(--ct-rule);
  background: var(--fy-panel);
  transition: border-color var(--fy-t) ease;
}

.page-contact .ct-fold[open] {
  border-color: var(--fy-cyan);
}

.page-contact .ct-fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fy-paper);
}

.page-contact .ct-fold summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--fy-font-mono);
  font-size: 1rem;
  color: var(--fy-cyan);
}

.page-contact .ct-fold[open] summary::after {
  content: "−";
}

.page-contact .ct-fold summary:focus-visible {
  outline: 2px solid var(--fy-cyan);
  outline-offset: -3px;
}

.page-contact .ct-fold p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--fy-gray);
}

.page-contact .ct-fold p a {
  color: var(--fy-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 245, 210, 0.4);
}

.page-contact .ct-fold p a:hover,
.page-contact .ct-fold p a:focus-visible {
  border-bottom-color: var(--fy-cyan);
}

/* 服务区域与备案 */
.page-contact .ct-meta {
  border-top: 2px solid var(--ct-rule);
}

.page-contact .ct-meta__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-contact .ct-meta__text {
  margin: 0.4em 0 0;
  font-size: 0.92rem;
  line-height: 1.66;
  color: var(--fy-soft);
}

.page-contact .ct-meta__sub {
  margin: 8px 0 0;
  font-family: var(--fy-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--fy-gray);
  overflow-wrap: anywhere;
}

/* 滚动淡入 */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.page-contact [data-revealed] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (min-width: 640px) {
  .page-contact .ct-addr {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .ct-meta__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-contact .ct-addr {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 40px;
  }
}