.page-contact {
  --ct-grid-line: rgba(168, 179, 196, 0.09);
  --ct-paper-ink: #2A3345;
  --ct-paper-muted: #59637A;
  --ct-paper-accent: #B4520E;
  position: relative;
  display: block;
  overflow-x: clip;
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 460px at 92% -6%, rgba(45, 245, 208, 0.10), transparent 68%),
    radial-gradient(720px 420px at -6% 22%, rgba(255, 122, 26, 0.07), transparent 70%);
  color: var(--white);
}

.page-contact .section {
  scroll-margin-top: 5rem;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-breadcrumb {
  padding-block: clamp(1rem, 3vw, 1.6rem) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(2.4rem, 6vw, 4.2rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ct-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-line) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(115% 88% at 72% 18%, #000 0%, transparent 74%);
  mask-image: radial-gradient(115% 88% at 72% 18%, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-contact .contact-hero__copy h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__copy .lede {
  margin-top: 1rem;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__figure .media-frame {
  box-shadow: var(--shadow-float);
}

.page-contact .contact-hero__figure .figure__caption {
  margin-top: 0.7rem;
}

/* ---------- 联系方式卡 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.9rem, 2.4vw, 1.4rem);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.3rem, 3.4vw, 2.1rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(17, 28, 51, 0.96), rgba(11, 18, 32, 0.90));
  overflow: hidden;
  transition: border-color 0.28s ease, transform 0.28s ease;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -58%;
  width: 62%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 245, 208, 0.16), transparent 68%);
  pointer-events: none;
}

.page-contact .channel-card--tel::after {
  background: radial-gradient(circle, rgba(255, 122, 26, 0.16), transparent 68%);
}

.page-contact .channel-card:hover {
  border-color: rgba(45, 245, 208, 0.45);
  transform: translateY(-3px);
}

.page-contact .channel-card--tel:hover {
  border-color: rgba(255, 122, 26, 0.5);
}

.page-contact .channel-card__label {
  position: relative;
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .channel-card__value {
  position: relative;
  display: inline-block;
  align-self: flex-start;
  max-width: 100%;
  font-family: var(--font-num);
  font-size: clamp(1.02rem, 3.6vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--white);
  text-decoration: none;
  overflow-wrap: anywhere;
  padding-bottom: 0.18em;
  border-bottom: 1px solid rgba(45, 245, 208, 0.42);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel-card--tel .channel-card__value {
  border-bottom-color: rgba(255, 122, 26, 0.5);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .channel-card--tel .channel-card__value:hover,
.page-contact .channel-card--tel .channel-card__value:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact .channel-card__text {
  position: relative;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .channel-card__meta {
  position: relative;
  margin: auto 0 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line);
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 服务时间 ---------- */
.page-contact .hours {
  display: grid;
  gap: 1.3rem;
  padding: clamp(1.3rem, 3.6vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(17, 28, 51, 0.72);
}

.page-contact .hours__bar {
  height: 8px;
  border-radius: var(--pill);
  background-image:
    repeating-linear-gradient(90deg, rgba(45, 245, 208, 0.55) 0 6px, transparent 6px 12px),
    linear-gradient(90deg, rgba(45, 245, 208, 0.22), rgba(255, 122, 26, 0.30));
}

.page-contact .hours__marks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .hours__marks li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.86rem;
  color: var(--mist);
}

.page-contact .hours__marks .mono {
  font-size: 0.98rem;
  color: var(--white);
  letter-spacing: 0.02em;
}

.page-contact .hours__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 站内反馈 ---------- */
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-contact .feedback-grid__figure {
  margin: 0;
}

.page-contact .feedback-grid__figure .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .feedback-grid__figure .figure__caption {
  margin-top: 0.7rem;
}

.page-contact .feedback-grid__body .lede {
  margin-bottom: 1.2rem;
}

.page-contact .fold {
  margin-top: 0.85rem;
  padding: 0.15rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 18, 32, 0.68);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-contact .fold[open] {
  background: rgba(17, 28, 51, 0.86);
  border-color: rgba(45, 245, 208, 0.32);
}

.page-contact .fold__summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
}

.page-contact .fold__summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold__summary::before {
  content: "+";
  flex: none;
  width: 1.1rem;
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .fold[open] .fold__summary::before {
  content: "–";
}

.page-contact .fold__list {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1.05rem;
  padding-left: 1.35rem;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .coop {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.6vw, 1.5rem);
}

.page-contact .coop__card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1.3rem, 3.4vw, 2.1rem);
  border-radius: var(--radius-lg);
}

.page-contact .coop__card--paper {
  background: var(--paper);
  color: var(--ct-paper-ink);
  border: 1px solid rgba(11, 18, 32, 0.12);
}

.page-contact .coop__card--ink {
  background: linear-gradient(150deg, rgba(255, 122, 26, 0.16), rgba(17, 28, 51, 0.94));
  border: 1px solid rgba(255, 122, 26, 0.30);
  color: var(--white);
}

.page-contact .coop__tag {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-contact .coop__card--paper .coop__tag {
  color: var(--ct-paper-accent);
}

.page-contact .coop__card--ink .coop__tag {
  color: var(--amber);
}

.page-contact .coop__card h3 {
  margin: 0;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .coop__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
}

.page-contact .coop__card--paper .coop__text {
  color: var(--ct-paper-muted);
}

.page-contact .coop__card--ink .coop__text {
  color: var(--mist);
}

.page-contact .coop__list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .coop__card--paper .coop__list li::before {
  background: #0E9C7A;
}

.page-contact .coop__card--paper .coop__list li {
  color: var(--ct-paper-ink);
}

.page-contact .coop__card--ink .coop__list li {
  color: var(--mist);
}

.page-contact .coop__cta {
  align-self: flex-start;
  margin-top: 0.3rem;
}

.page-contact .coop__card--paper .btn--primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

/* ---------- 通信地址 ---------- */
.page-contact .address {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.8rem);
}

.page-contact .address__card {
  font-style: normal;
  display: grid;
  gap: 0.75rem;
  padding: clamp(1.25rem, 3.2vw, 1.9rem);
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius-md);
  background: rgba(17, 28, 51, 0.82);
}

.page-contact .address__label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .address__value {
  margin: 0;
  font-size: clamp(1.08rem, 3.2vw, 1.4rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .address__meta {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.page-contact .address__meta > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  align-items: baseline;
}

.page-contact .address__meta dt {
  min-width: 4.5rem;
  font-size: 0.83rem;
  color: var(--mist);
}

.page-contact .address__meta dd {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--white);
}

/* ---------- 联系前可先查看 ---------- */
.page-contact .precheck {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .precheck__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem 1rem;
  padding: clamp(1rem, 2.8vw, 1.5rem) 0.35rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.22s ease;
}

.page-contact .precheck__item:hover {
  background: rgba(247, 250, 255, 0.035);
}

.page-contact .precheck__idx {
  padding-top: 0.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .precheck__item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .precheck__item h3 a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 245, 208, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .precheck__item h3 a:hover,
.page-contact .precheck__item h3 a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .precheck__item p {
  margin: 0;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .hours__marks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .precheck__item {
    grid-template-columns: 5rem 1fr;
    gap: 1.6rem;
    padding-inline: 0.85rem;
  }
}

@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
  }

  .page-contact .address {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 3.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .fold,
  .page-contact .precheck__item,
  .page-contact .channel-card__value,
  .page-contact .precheck__item h3 a {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}