.page-contact {
  --pc-hair: rgba(7, 26, 47, 0.14);
  --pc-hair-soft: rgba(7, 26, 47, 0.07);
  --pc-night-line: rgba(143, 216, 255, 0.18);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .breadcrumbs {
  padding-block: 1rem 0.25rem;
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  padding-block-start: clamp(1.25rem, 4vw, 2.25rem);
  background-image:
    radial-gradient(120% 90% at 8% 0%, rgba(143, 216, 255, 0.26), transparent 58%),
    radial-gradient(90% 80% at 96% 12%, rgba(32, 240, 208, 0.16), transparent 62%);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .hero h1 {
  margin: 0.4rem 0 1rem;
  font-size: clamp(1.85rem, 6.2vw, 3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-contact .hero .lede {
  margin: 0;
  max-width: 60ch;
}

.page-contact .hero-points {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .hero-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
  padding-block: 0.8rem;
  border-top: 1px solid var(--pc-hair-soft);
  color: var(--rock);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-contact .hero-points li:last-child {
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .hp-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 0.32rem;
}

.page-contact .hero-media {
  margin: 0;
  align-self: start;
}

.page-contact .hero-media > img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .media-caption {
  padding-top: 0.5rem;
}

/* ---------- 反馈工作台 ---------- */
.page-contact .desk-section {
  background: var(--sand);
  border-block: 1px solid rgba(7, 26, 47, 0.08);
}

.page-contact .desk-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .desk-head h2 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(1.4rem, 3.6vw, 1.95rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .desk-head .lede {
  margin: 0;
  color: var(--rock);
}

.page-contact .desk {
  display: grid;
  gap: 1rem;
}

.page-contact .desk-pick {
  padding: clamp(1rem, 3vw, 1.5rem);
  background: rgba(244, 250, 255, 0.82);
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-inline-start: 3px solid var(--cyan);
  border-radius: var(--r-md);
}

.page-contact .desk-write {
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--frost);
  border: 1px solid var(--pc-hair);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-glass);
}

.page-contact .desk-step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .desk-step--second {
  margin-top: 1.5rem;
}

.page-contact .desk-step .label-mono {
  color: var(--moss);
}

.page-contact .chan-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 0.5rem;
}

.page-contact .chan {
  position: relative;
  display: block;
}

.page-contact .chan input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .chan-chip {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(7, 26, 47, 0.16);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-contact .chan-chip:hover {
  border-color: var(--cyan-a55);
  transform: translateX(2px);
}

.page-contact .chan-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-contact .chan input:checked + .chan-chip {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--frost);
  box-shadow: inset 0 -3px 0 var(--orange);
}

.page-contact .chan input:checked + .chan-chip .chan-code {
  color: var(--cyan);
}

.page-contact .chan-list--type .chan input:checked + .chan-chip {
  background: var(--frost);
  border-color: var(--cyan);
  color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--cyan);
}

.page-contact .chan input:focus-visible + .chan-chip {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .sample {
  padding: 0.95rem 1rem;
  background: rgba(11, 23, 36, 0.05);
  border-inline-start: 3px solid var(--clay);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-contact .sample-text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .write-notes {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .write-notes li {
  position: relative;
  padding-inline-start: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--rock);
}

.page-contact .write-notes li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 2px;
  background: var(--cyan);
}

.page-contact .write-send {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .mono-inline {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--deep);
  border-bottom: 1px dashed var(--cyan-a55);
  word-break: break-all;
}

.page-contact .desk-cta {
  margin-top: 1.1rem;
  display: inline-block;
}

@keyframes pc-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 44, 0.55);
  }
  50% {
    box-shadow: 0 0 0 9px rgba(255, 107, 44, 0);
  }
}

.page-contact .desk-cta:hover,
.page-contact .desk-cta:focus-visible {
  animation: pc-pulse 1.7s var(--ease) infinite;
}

/* ---------- 四件事 ---------- */
.page-contact .clarity-head {
  max-width: 62ch;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .clarity-head h2 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(1.4rem, 3.6vw, 1.95rem);
  line-height: 1.25;
}

.page-contact .clarity-head .lede {
  margin: 0;
  color: var(--rock);
}

.page-contact .steps4 {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-contact .step4 {
  padding-top: 0.9rem;
  border-top: 3px solid var(--deep);
}

.page-contact .step4:nth-child(2) {
  border-top-color: var(--ice);
}

.page-contact .step4:nth-child(3) {
  border-top-color: var(--moss);
}

.page-contact .step4:nth-child(4) {
  border-top-color: var(--clay);
}

.page-contact .step4-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(7, 26, 47, 0.18);
}

.page-contact .step4 h3 {
  margin: 0.6rem 0 0.4rem;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.page-contact .step4 p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 常见类型 ---------- */
.page-contact .types {
  background: linear-gradient(180deg, rgba(239, 232, 218, 0.55), rgba(244, 250, 255, 0.9));
}

.page-contact .types-head {
  margin-bottom: clamp(1rem, 3vw, 1.75rem);
}

.page-contact .types-head h2 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(1.4rem, 3.6vw, 1.95rem);
  line-height: 1.25;
}

.page-contact .types-head .lede {
  margin: 0;
  color: var(--rock);
}

.page-contact .type-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .type-row {
  display: grid;
  gap: 0.5rem;
  padding-block: 1.1rem;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .type-row:last-child {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .type-row p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 处理路径 ---------- */
.page-contact .route-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(90% 120% at 88% -10%, rgba(32, 240, 208, 0.16), transparent 60%),
    linear-gradient(158deg, var(--deep), #0c2340 58%, #071a2f);
  color: var(--frost);
}

.page-contact .route-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
    112deg,
    transparent 44%,
    rgba(143, 216, 255, 0.14) 45%,
    transparent 46.5%,
    transparent 53%,
    rgba(32, 240, 208, 0.12) 54%,
    transparent 55.5%
  );
}

.page-contact .route-head {
  position: relative;
  z-index: 1;
  max-width: 58ch;
}

.page-contact .route-head h2 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(1.4rem, 3.8vw, 2.1rem);
  line-height: 1.22;
  color: var(--frost);
}

.page-contact .route-head .lede {
  margin: 0;
  color: rgba(244, 250, 255, 0.76);
}

.page-contact .route-head .eyebrow {
  color: var(--cyan);
}

.page-contact .route-band {
  position: relative;
  z-index: 1;
  margin: 1.75rem 0 0.5rem;
}

.page-contact .route-band svg {
  display: block;
  width: 100%;
  height: 30px;
}

.page-contact .route-steps {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-contact .route-step {
  padding-inline-start: 1rem;
  border-inline-start: 1px solid var(--pc-night-line);
}

.page-contact .route-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .route-step h3 {
  margin: 0.45rem 0 0.4rem;
  font-size: 1.05rem;
  color: var(--frost);
}

.page-contact .route-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(244, 250, 255, 0.74);
}

/* ---------- 联系通道 ---------- */
.page-contact .channels {
  padding-block-start: 0;
  background: var(--frost);
}

.page-contact .channels-media {
  position: relative;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .channels-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .channels-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 47, 0.28), rgba(244, 250, 255, 0.92));
}

.page-contact .channels-head {
  max-width: 60ch;
}

.page-contact .channels-head h2 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .channels-head .lede {
  margin: 0;
  color: var(--rock);
}

.page-contact .channel-rows {
  margin: 1.75rem 0 0;
}

.page-contact .channel-row {
  display: grid;
  gap: 0.2rem;
  padding-block: 0.85rem;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .channel-row:last-child {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .channel-row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .channel-row dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .channel-row dd.mono {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .channel-strong {
  color: var(--clay) !important;
  box-shadow: inset 0 -2px 0 rgba(255, 107, 44, 0.35);
  padding-bottom: 0.1rem;
}

.page-contact .channels-foot {
  margin: 1.25rem 0 0;
  max-width: 68ch;
  padding: 0.9rem 1rem;
  background: rgba(143, 216, 255, 0.14);
  border-inline-start: 3px solid var(--ice);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 快捷入口 ---------- */
.page-contact .shortcuts {
  background: rgba(239, 232, 218, 0.5);
  border-top: 1px solid rgba(7, 26, 47, 0.08);
}

.page-contact .shortcuts h2 {
  margin: 0 0 1.1rem;
  font-size: clamp(1.2rem, 3.2vw, 1.6rem);
  line-height: 1.3;
}

.page-contact .shortcut-row {
  display: grid;
  gap: 0.6rem;
}

.page-contact .shortcut {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1.05rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--pc-hair);
  border-radius: var(--r-sm);
  color: var(--ink);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background var(--dur-fast) var(--ease);
}

.page-contact .shortcut:hover,
.page-contact .shortcut:focus-visible {
  transform: translateX(4px);
  background: #ffffff;
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-contact .shortcut .label-mono {
  color: var(--moss);
}

.page-contact .shortcut-name {
  font-weight: 700;
  font-size: 1rem;
}

.page-contact .shortcut-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .steps4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1.25rem;
  }

  .page-contact .type-row {
    grid-template-columns: 8rem 1fr;
    align-items: start;
    gap: 1.25rem;
  }

  .page-contact .shortcut-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-row {
    grid-template-columns: 7.5rem 1fr;
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .desk {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(1.25rem, 2.6vw, 2rem);
  }

  .page-contact .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.25rem, 3vw, 2rem);
  }

  .page-contact .channel-row {
    grid-template-columns: 9rem 1fr;
  }

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

@media (min-width: 1024px) {
  .page-contact .steps4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-chip,
  .page-contact .shortcut,
  .page-contact .desk-cta {
    transition: none;
  }

  .page-contact .chan-chip:hover,
  .page-contact .shortcut:hover,
  .page-contact .shortcut:focus-visible {
    transform: none;
  }

  .page-contact .desk-cta:hover,
  .page-contact .desk-cta:focus-visible {
    animation: none;
  }
}