.page-contact {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: 18px;
  box-sizing: border-box;
}

.page-contact .mono {
  font-family: var(--font-mono);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .crumbs a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .crumbs a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .cc-intro {
  padding: 26px 0 46px;
  background:
    radial-gradient(115% 85% at 86% -12%, rgba(139, 92, 246, 0.20), transparent 62%),
    radial-gradient(85% 70% at 0% 112%, rgba(59, 242, 226, 0.09), transparent 62%);
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-contact h1 {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 7vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .cc-intro__lead {
  margin: 0;
  max-width: 660px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .cc-intro__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
  margin: 30px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.page-contact .cc-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .cc-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 章节标题 ---------- */
.page-contact .cc-sec-head {
  max-width: 620px;
  margin-bottom: 28px;
}

.page-contact .cc-sec-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .cc-sec-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 联络信息 ---------- */
.page-contact .cc-channels {
  padding: 46px 0 50px;
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(139, 92, 246, 0.22), transparent 68%),
    linear-gradient(180deg, var(--indigo), #0E1236);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-contact .cc-channels__grid {
  display: grid;
  gap: 22px;
}

.page-contact .cc-stack {
  display: grid;
  gap: 16px;
}

.page-contact .cc-card {
  position: relative;
  padding: 24px 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .cc-card--teal {
  background: linear-gradient(142deg, rgba(6, 48, 46, 0.96), rgba(6, 48, 46, 0.55));
  border-color: rgba(59, 242, 226, 0.22);
}

.page-contact .cc-card--indigo {
  background: linear-gradient(142deg, rgba(139, 92, 246, 0.22), rgba(21, 27, 74, 0.78));
  border-color: rgba(139, 92, 246, 0.34);
}

.page-contact .cc-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 242, 226, 0.16), transparent 70%);
  pointer-events: none;
}

.page-contact .cc-card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 242, 226, 0.5);
}

.page-contact .cc-card__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .cc-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .cc-card__value {
  display: inline-block;
  max-width: 100%;
  margin: 0 0 16px;
  padding-bottom: 7px;
  box-shadow: inset 0 -2px 0 var(--cyan);
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 4vw, 20px);
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--paper);
  word-break: break-all;
  line-height: 1.35;
}

.page-contact .cc-card__desc {
  position: relative;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(232, 241, 255, 0.8);
}

.page-contact .cc-card__meta {
  position: relative;
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .cc-card__meta::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--ok);
  vertical-align: middle;
}

.page-contact .cc-channel-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .cc-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(59, 242, 226, 0.18);
  background: #0A1026;
}

.page-contact .cc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .cc-side-note {
  padding: 22px 20px;
  border-radius: var(--r-lg);
  background: rgba(6, 9, 18, 0.55);
  border: 1px solid var(--hair);
}

.page-contact .cc-side-note h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .cc-side-note p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 可咨询范围 ---------- */
.page-contact .cc-scope {
  padding: 48px 0 52px;
}

.page-contact .cc-scope__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.page-contact .cc-scope__list > li {
  border-bottom: 1px solid var(--hair);
}

.page-contact .cc-scope__item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 20px 6px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--r-sm);
  transition: background var(--dur) var(--ease);
}

.page-contact .cc-scope__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .cc-scope__item summary:hover {
  background: rgba(59, 242, 226, 0.06);
}

.page-contact .cc-scope__item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .cc-scope__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .cc-scope__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-head);
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .cc-scope__tag {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--violet);
  border: 1px solid rgba(139, 92, 246, 0.45);
  white-space: nowrap;
}

.page-contact .cc-scope__item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-contact .cc-scope__item[open] summary::after {
  content: "–";
  color: var(--cyan);
}

.page-contact .cc-scope__body {
  padding: 0 6px 24px;
}

.page-contact .cc-scope__body p {
  margin: 0;
  max-width: 720px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .cc-prep {
  padding: 46px 0 50px;
  background:
    radial-gradient(95% 130% at 100% 0%, rgba(6, 48, 46, 0.95), transparent 68%),
    linear-gradient(180deg, #05201F, var(--teal));
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-contact .cc-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .cc-prep__cell {
  padding: 20px 18px;
  border-radius: var(--r-md);
  background: rgba(6, 9, 18, 0.5);
  border: 1px solid rgba(59, 242, 226, 0.16);
}

.page-contact .cc-prep__cell h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .cc-prep__cell ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .cc-prep__cell li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(232, 241, 255, 0.82);
}

.page-contact .cc-prep__cell li:last-child {
  margin-bottom: 0;
}

.page-contact .cc-prep__cell li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
}

/* ---------- 响应流程 ---------- */
.page-contact .cc-flow {
  padding: 50px 0 56px;
}

.page-contact .cc-flow__track {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .cc-flow__node {
  position: relative;
  padding: 26px 18px 20px;
  border-radius: var(--r-md);
  background: rgba(21, 27, 74, 0.44);
  border: 1px solid var(--hair);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .cc-flow__node:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 53, 0.6);
}

.page-contact .cc-flow__dot {
  position: absolute;
  top: -7px;
  left: 18px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 107, 53, 0.16);
}

.page-contact .cc-flow__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .cc-flow__node h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .cc-flow__node p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 地址与来信 ---------- */
.page-contact .cc-place {
  padding: 50px 0 58px;
  background:
    radial-gradient(100% 100% at 0% 0%, rgba(59, 242, 226, 0.06), transparent 60%),
    linear-gradient(180deg, #2E0C1E, var(--wine));
  border-top: 1px solid var(--hair);
}

.page-contact .cc-place__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .cc-place__text h2 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .cc-place__text p {
  margin: 0 0 16px;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(232, 241, 255, 0.82);
}

.page-contact .cc-place__addr {
  display: inline-block;
  max-width: 100%;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  background: rgba(6, 9, 18, 0.5);
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .cc-place__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(232, 241, 255, 0.14);
}

.page-contact .cc-place__links a {
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(59, 242, 226, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .cc-place__links a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .cc-place__links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .cc-place__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 107, 53, 0.24);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .wrap {
    padding-inline: 28px;
  }

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

@media (min-width: 860px) {
  .page-contact .cc-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .cc-flow__node:not(:last-child)::before {
    content: "";
    position: absolute;
    top: 0;
    right: -22px;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 107, 53, 0.7), rgba(255, 107, 53, 0.1));
  }
}

@media (min-width: 900px) {
  .page-contact .cc-intro {
    padding: 34px 0 56px;
  }

  .page-contact h1 {
    max-width: 15em;
  }

  .page-contact .cc-channels {
    padding: 54px 0 60px;
  }

  .page-contact .cc-channels__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .cc-scope {
    padding: 56px 0 62px;
  }

  .page-contact .cc-prep {
    padding: 54px 0 60px;
  }

  .page-contact .cc-place {
    padding: 58px 0 70px;
  }

  .page-contact .cc-place__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-contact .cc-prep__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cc-card,
  .page-contact .cc-flow__node,
  .page-contact .cc-scope__item summary,
  .page-contact .cc-place__links a {
    transition: none;
  }

  .page-contact .cc-card:hover,
  .page-contact .cc-flow__node:hover {
    transform: none;
  }
}