.page-contact {
  --pc-line: 1px solid var(--line-soft);
  --pc-gap: clamp(14px, 2vw, 20px);
  background:
    radial-gradient(1100px 560px at 84% -8%, rgba(53, 242, 214, 0.10), transparent 62%),
    radial-gradient(900px 520px at -10% 24%, rgba(255, 107, 44, 0.08), transparent 60%),
    var(--c-night);
  color: var(--c-poster);
  font-family: var(--f-body);
  overflow-x: hidden;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-contact .eyebrow {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--c-cyan);
  margin: 0 0 14px;
}

.page-contact .section-title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-poster);
  margin: 0;
}

.page-contact .section-note {
  color: var(--c-ice);
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 10px 0 0;
  max-width: 56ch;
}

.page-contact .mono {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 3.5vw, 40px) 0 clamp(28px, 4vw, 48px);
  position: relative;
}

.page-contact .hero-scale {
  height: 12px;
  margin-bottom: clamp(18px, 3vw, 28px);
  background-image: repeating-linear-gradient(to right, var(--c-steel) 0 1px, transparent 1px 26px);
  opacity: 0.5;
  border-bottom: var(--pc-line);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-steel);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-steel);
}

.page-contact .breadcrumb-item a {
  color: var(--c-ice);
  text-decoration: none;
}

.page-contact .breadcrumb-item a:hover {
  color: var(--c-cyan);
}

.page-contact .breadcrumb-current {
  color: var(--c-cyan);
}

.page-contact .contact-title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 9.5vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-contact .title-accent {
  color: var(--c-cyan);
}

.page-contact .title-sub {
  display: inline-block;
  font-size: clamp(0.9rem, 3.2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-orange);
  margin-top: 0.4em;
}

.page-contact .hero-lede {
  max-width: 52ch;
  color: var(--c-ice);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  margin: 0;
}

.page-contact .hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 16px;
  border-top: var(--pc-line);
}

.page-contact .hero-jump a {
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-ice);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .hero-jump a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--line-strong);
}

/* ---------- 夜色宽幅图 ---------- */
.page-contact .contact-band {
  position: relative;
  margin: 0;
  background: var(--c-ink);
}

.page-contact .contact-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 26vw, 340px);
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-contact .band-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px clamp(16px, 4vw, 48px);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--c-poster);
  background: rgba(221, 247, 244, 0.10);
  border-top: 1px solid rgba(53, 242, 214, 0.22);
  backdrop-filter: blur(10px);
}

/* ---------- 直接联系 ---------- */
.page-contact .channel-poster {
  padding: var(--pad-block) 0;
  border-bottom: var(--pc-line);
}

.page-contact .poster-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 32px;
  padding-bottom: clamp(18px, 2.6vw, 28px);
  margin-bottom: clamp(6px, 1vw, 12px);
  border-bottom: 1px solid var(--c-broadcast);
}

.page-contact .poster-note {
  flex: 1 1 280px;
  max-width: 46ch;
  margin: 0;
  color: var(--c-ice);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-contact .poster-path {
  display: none;
  width: 180px;
  height: 46px;
  opacity: 0.85;
}

.page-contact .channel-stack {
  display: grid;
}

.page-contact .channel-row {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 4px 14px;
  padding: clamp(18px, 2.6vw, 30px) 0 clamp(18px, 2.6vw, 30px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .channel-row::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--t-mid) var(--ease);
}

.page-contact .channel-row:hover::before,
.page-contact .channel-row:focus-within::before {
  transform: scaleY(1);
}

.page-contact .channel-num {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--c-steel);
  padding-top: 0.55em;
}

.page-contact .channel-label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin-bottom: 10px;
}

.page-contact .channel-mail {
  display: block;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(1rem, 4.6vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-poster);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--t-fast) var(--ease);
}

.page-contact .channel-mail:hover {
  color: var(--c-cyan);
}

.page-contact .channel-tel {
  display: block;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 7vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-orange);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-contact .channel-tel:hover {
  color: var(--c-cyan);
}

.page-contact .channel-address {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 4vw, 2rem);
  line-height: 1.4;
  margin: 0;
  color: var(--c-poster);
}

.page-contact .channel-note {
  margin: 10px 0 0;
  max-width: 54ch;
  color: var(--c-ice);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ---------- 咨询分类 ---------- */
.page-contact .topic-index {
  padding: var(--pad-block) 0;
}

.page-contact .index-head {
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-contact .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pc-gap);
  counter-reset: topic;
}

.page-contact .topic-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 16px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--c-stand);
  border-left: 2px solid var(--c-broadcast);
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-contact .topic-item:hover {
  background: var(--c-broadcast);
  border-left-color: var(--c-cyan);
}

.page-contact .topic-num {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1;
  color: var(--c-orange);
  letter-spacing: -0.02em;
}

.page-contact .topic-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  margin: 0 0 8px;
  color: var(--c-poster);
}

.page-contact .topic-main p {
  margin: 0 0 12px;
  color: var(--c-ice);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-contact .topic-link {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, 0.4);
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .topic-link:hover {
  color: var(--c-poster);
  border-bottom-color: var(--c-poster);
}

/* ---------- 回复时间 ---------- */
.page-contact .response-strip {
  padding: clamp(32px, 5vw, 64px) 0;
  background: var(--c-ink);
  border-top: 1px solid var(--c-broadcast);
  border-bottom: 1px solid var(--c-broadcast);
}

.page-contact .response-inner {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
}

.page-contact .response-time {
  display: block;
  font-size: clamp(1.7rem, 6vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--c-cyan);
}

.page-contact .response-days {
  display: block;
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--c-ice);
}

.page-contact .response-title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  margin: 0 0 14px;
  color: var(--c-poster);
}

.page-contact .response-copy p {
  margin: 0 0 12px;
  color: var(--c-ice);
  font-size: 0.95rem;
  line-height: 1.85;
  max-width: 62ch;
}

.page-contact .response-copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作与反馈 ---------- */
.page-contact .partner {
  padding: var(--pad-block) 0;
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .partner-list {
  display: grid;
}

.page-contact .partner-item {
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: var(--pc-line);
}

.page-contact .partner-item:first-child {
  border-top: 1px solid var(--c-broadcast);
}

.page-contact .partner-item h3 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.2vw, 1.18rem);
  margin: 0 0 12px;
  color: var(--c-poster);
}

.page-contact .partner-item h3 .mono {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-contact .partner-item ul {
  margin: 0;
  padding-left: 1.15em;
  color: var(--c-ice);
  font-size: 0.93rem;
  line-height: 1.85;
}

.page-contact .partner-item li {
  margin-bottom: 6px;
}

.page-contact .partner-item li::marker {
  color: var(--c-orange);
}

.page-contact .partner-foot {
  margin: 12px 0 0;
}

.page-contact .partner-foot a {
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, 0.4);
  padding-bottom: 2px;
}

.page-contact .partner-foot a:hover {
  color: var(--c-poster);
  border-bottom-color: var(--c-poster);
}

.page-contact .partner-media {
  margin: 0;
  position: relative;
  background: var(--c-ink);
  border: var(--pc-line);
}

.page-contact .partner-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92);
}

.page-contact .media-caption {
  padding: 14px clamp(14px, 3vw, 20px);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-ice);
  background: rgba(221, 247, 244, 0.08);
  border-top: 1px solid rgba(53, 242, 214, 0.2);
}

/* ---------- 联系地址 ---------- */
.page-contact .address-block {
  padding: var(--pad-block) 0 calc(var(--pad-block) + 8px);
  border-top: var(--pc-line);
  background:
    linear-gradient(180deg, rgba(13, 42, 68, 0.65) 0%, rgba(5, 11, 18, 0.9) 100%);
}

.page-contact .address-grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
}

.page-contact .address-title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.6vw, 2.8rem);
  line-height: 1.28;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  color: var(--c-poster);
}

.page-contact .address-note,
.page-contact .address-copy p {
  margin: 0 0 14px;
  color: var(--c-ice);
  font-size: 0.93rem;
  line-height: 1.85;
  max-width: 58ch;
}

.page-contact .address-copy p:last-child {
  margin-bottom: 0;
}

.page-contact .address-copy a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, 0.4);
}

.page-contact .address-copy a:hover {
  color: var(--c-poster);
  border-bottom-color: var(--c-poster);
}

.page-contact .glass-bar {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
  background: rgba(221, 247, 244, 0.10);
  border: 1px solid rgba(53, 242, 214, 0.28);
  backdrop-filter: blur(12px);
}

.page-contact .glass-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  margin: 0 0 8px;
  color: var(--c-poster);
}

.page-contact .glass-sub {
  margin: 0;
  max-width: 52ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-ice);
}

.page-contact .glass-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .poster-path {
    display: block;
  }

  .page-contact .channel-row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 4px 20px;
  }

  .page-contact .response-inner {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-contact .address-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

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

  .page-contact .partner-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .partner-media {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-contact .channel-mail {
    font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  }
}

@media (min-width: 1180px) {
  .page-contact .hero-lede {
    max-width: 60ch;
  }

  .page-contact .contact-title {
    letter-spacing: -0.035em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-row::before,
  .page-contact .channel-row,
  .page-contact .topic-item,
  .page-contact .channel-mail,
  .page-contact .channel-tel,
  .page-contact .hero-jump a {
    transition: none;
  }

  .page-contact .channel-row:hover::before,
  .page-contact .channel-row:focus-within::before {
    transform: scaleY(1);
  }
}