.page-contact {
  --ct-line: rgba(212, 175, 55, 0.35);
  --ct-pad: clamp(1.15rem, 2.6vw, 2rem);
  --ct-gap: clamp(1.1rem, 2.4vw, 1.9rem);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-contact h2 {
  font-family: var(--serif);
  font-weight: 900;
  line-height: 1.22;
  margin: 0.35rem 0 0.85rem;
  font-size: clamp(1.45rem, 4.2vw, 2.15rem);
  letter-spacing: 0.01em;
}

.page-contact h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.45;
  margin: 0 0 0.45rem;
}

.page-contact .ct-lead {
  max-width: 34em;
}

.page-contact .ct-sub {
  max-width: 40em;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .ct-section {
  padding: clamp(2rem, 5vw, 3.4rem) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 1.4rem 0 clamp(2rem, 5vw, 3.2rem);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .contact-hero__slash {
  position: absolute;
  top: -18%;
  right: -25%;
  left: -25%;
  height: 86%;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(118deg, rgba(123, 77, 255, 0.34) 0%, rgba(18, 224, 192, 0.14) 46%, rgba(11, 31, 26, 0) 72%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 100%);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.6rem);
  align-items: center;
  margin-top: 1.2rem;
}

.page-contact .kicker-mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin: 0 0 0.6rem;
}

.page-contact .contact-hero h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.75rem, 6vw, 3.05rem);
  line-height: 1.14;
  margin: 0 0 1rem;
}

.page-contact .contact-quick {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.7rem;
}

.page-contact .contact-quick li {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--ct-line);
  padding: 0.4rem 0.7rem;
  word-break: break-word;
}

.page-contact .contact-hero__media {
  display: block;
  overflow: hidden;
  border: var(--edge) solid var(--gold);
  box-shadow: var(--sx) var(--sy) 0 rgba(18, 224, 192, 0.32);
  aspect-ratio: 4 / 3;
  margin: 0;
}

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

/* ---------- 三条通道 ---------- */
.page-contact .channel-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: 1.6rem;
}

.page-contact .channel {
  position: relative;
  background: var(--table);
  border: var(--edge) solid var(--gold);
  box-shadow: var(--sx) var(--sy) 0 rgba(18, 224, 192, 0.3);
  padding: var(--ct-pad);
}

.page-contact .channel--phone {
  border-color: var(--cyan);
  box-shadow: var(--sx) var(--sy) 0 rgba(123, 77, 255, 0.45);
}

.page-contact .channel--visit {
  border-color: var(--violet);
  box-shadow: var(--sx) var(--sy) 0 rgba(212, 175, 55, 0.42);
}

.page-contact .channel__icon {
  position: absolute;
  top: var(--ct-pad);
  right: var(--ct-pad);
  color: var(--gold);
  line-height: 0;
  opacity: 0.9;
}

.page-contact .channel--phone .channel__icon {
  color: var(--cyan);
}

.page-contact .channel--visit .channel__icon {
  color: var(--violet);
}

.page-contact .channel__tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--fog);
  margin: 0 0 0.5rem;
}

.page-contact .channel__name {
  padding-right: 3rem;
}

.page-contact .channel__value {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1rem, 3.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-hi);
  margin: 0 0 0.85rem;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel__value--addr {
  font-size: clamp(0.95rem, 3vw, 1.25rem);
  color: var(--paper);
}

.page-contact .channel__desc {
  max-width: 40em;
  line-height: 1.8;
  margin: 0 0 0.85rem;
  color: var(--paper);
  opacity: 0.88;
}

.page-contact .channel__meta {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--cyan);
  margin: 0;
  padding-top: 0.7rem;
  border-top: 1px dashed rgba(18, 224, 192, 0.35);
}

/* ---------- 反馈入口 ---------- */
.page-contact .ct-feedback {
  background: var(--layer);
  border-top: var(--edge) solid var(--table);
  border-bottom: var(--edge) solid var(--table);
}

.page-contact .ct-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-note {
  margin-top: 1.2rem;
  color: var(--gold-hi);
  font-size: 0.95rem;
}

.page-contact .intake {
  border: 1px solid var(--ct-line);
  background: rgba(11, 31, 26, 0.6);
  margin: 1.2rem 0 0;
}

.page-contact .intake > summary {
  cursor: pointer;
  padding: 0.85rem 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--cyan);
  list-style: none;
}

.page-contact .intake > summary::-webkit-details-marker {
  display: none;
}

.page-contact .intake > summary::before {
  content: "+ ";
  color: var(--gold);
}

.page-contact .intake[open] > summary::before {
  content: "– ";
}

.page-contact .intake__list {
  margin: 0;
  padding: 0 1rem 1rem 2rem;
  list-style: square;
  line-height: 1.8;
}

.page-contact .intake__list li {
  margin-bottom: 0.5rem;
}

.page-contact .ct-feedback__aside {
  border: var(--edge) solid var(--gold);
  box-shadow: var(--sx) var(--sy) 0 rgba(123, 77, 255, 0.4);
}

.page-contact .ct-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.1rem 0 0;
}

.page-contact .ct-link {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 受理时段 ---------- */
.page-contact .ct-timing .section-label {
  margin-bottom: 0.3rem;
}

.page-contact .ct-timing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: 1.4rem;
}

.page-contact .ct-timing__item {
  border-left: var(--edge) solid var(--violet);
  padding: 0.2rem 0 0.2rem 1.1rem;
}

.page-contact .ct-timing__clock {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  margin: 0 0 0.4rem;
  letter-spacing: 0.03em;
}

.page-contact .ct-timing__item h3 {
  margin-bottom: 0.35rem;
}

.page-contact .ct-timing__item p {
  margin: 0;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.86;
}

/* ---------- 反馈链路 ---------- */
.page-contact .ct-pipeline__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
  margin-top: 1.4rem;
}

.page-contact .ct-pipeline__media {
  display: block;
  margin: 0;
  overflow: hidden;
  border: var(--edge) solid var(--table);
  box-shadow: var(--sx) var(--sy) 0 rgba(18, 224, 192, 0.28);
  aspect-ratio: 3 / 2;
}

.page-contact .chain {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1.6rem;
}

.page-contact .chain__node {
  position: relative;
  background: linear-gradient(158deg, rgba(18, 48, 40, 0.92), rgba(20, 22, 26, 0.92));
  border: var(--edge) solid var(--layer);
  padding: 1rem 1.05rem 1.15rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-contact .chain__node:hover,
.page-contact .chain__node:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), 0 0 24px rgba(18, 224, 192, 0.24);
  transform: translateY(-3px);
}

.page-contact .chain__step {
  font-size: 0.85rem;
  margin: 0 0 0.35rem;
}

.page-contact .chain__node h3 {
  margin-bottom: 0.35rem;
}

.page-contact .chain__node p:last-child {
  margin: 0;
  line-height: 1.75;
  font-size: 0.92rem;
  color: var(--paper);
  opacity: 0.82;
}

.page-contact .chain__arrow {
  align-self: center;
  color: var(--cyan);
  opacity: 0.65;
  line-height: 0;
}

.page-contact .chain__arrow svg {
  transform: rotate(90deg);
}

/* ---------- 纠错与合作 ---------- */
.page-contact .ct-partner__grid {
  margin-top: 1.4rem;
}

.page-contact .ct-partner__item {
  background: var(--table);
  border: 1px solid var(--ct-line);
  border-top: var(--edge) solid var(--gold);
  padding: 1.2rem 1.15rem 1.3rem;
}

.page-contact .ct-partner__num {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

.page-contact .ct-partner__item p {
  margin: 0 0 0.6rem;
  line-height: 1.8;
  font-size: 0.95rem;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .ct-partner__hint {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  opacity: 1 !important;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(18, 224, 192, 0.3);
}

/* ---------- 到访地址 ---------- */
.page-contact .ct-visit__panel {
  border: var(--edge) solid var(--gold);
  box-shadow: var(--sx) var(--sy) 0 rgba(123, 77, 255, 0.42);
}

.page-contact .ct-address {
  font-family: var(--mono);
  font-style: normal;
  font-size: clamp(1rem, 3.2vw, 1.35rem);
  line-height: 1.6;
  color: var(--gold-hi);
  margin: 0.4rem 0 1.1rem;
  padding-left: 0.9rem;
  border-left: var(--edge) solid var(--violet);
  word-break: break-word;
}

.page-contact .ct-visit__note {
  margin: 1.1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .ct-visit__note .ct-link {
  font-size: 0.9rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-timing__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero {
    padding-top: 1.8rem;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .contact-hero__media {
    aspect-ratio: 3 / 4;
  }

  .page-contact .channel {
    max-width: 78%;
  }

  .page-contact .channel:nth-child(1) {
    margin-right: auto;
  }

  .page-contact .channel:nth-child(2) {
    margin-left: 6%;
  }

  .page-contact .channel:nth-child(3) {
    margin-left: 14%;
  }

  .page-contact .ct-feedback__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-contact .ct-pipeline__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-contact .chain {
    flex-direction: row;
    align-items: stretch;
    gap: 0.55rem;
  }

  .page-contact .chain__node {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-contact .chain__arrow {
    flex: 0 0 auto;
  }

  .page-contact .chain__arrow svg {
    transform: none;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-partner__item {
    padding: 1.5rem 1.4rem 1.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chain__node {
    transition: none;
  }
}