.page-contact {
  --ct-lift: 2.6rem;
  --ct-soft-line: rgba(232, 238, 246, 0.09);
  --ct-panel: #0B1D31;
}

/* ================= HERO ================= */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(5.5rem, 13vw, 9rem) 0 clamp(2.4rem, 5vw, 3.6rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -70%;
  width: 60vw;
  height: 60vw;
  max-width: 720px;
  max-height: 720px;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .ct-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--mist);
  margin-bottom: 1.6rem;
}

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

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .ct-hero-tag {
  color: var(--gold);
  margin-bottom: 1.1rem;
}

.page-contact .ct-hero-title {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(2rem, 5.6vw, 4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ice);
  max-width: 22ch;
  margin-bottom: 1.4rem;
}

.page-contact .ct-hero-lead {
  max-width: 42ch;
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem 1.6rem;
  margin-top: 2.4rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.page-contact .ct-hero-fact {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 0.9rem;
  border-left: 1px solid var(--ct-soft-line);
}

.page-contact .ct-fact-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ================= 通用章节头 ================= */

.page-contact .ct-section-head {
  margin-bottom: 2rem;
  max-width: 60ch;
}

.page-contact .ct-section-title {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  color: var(--ice);
  margin: 0.55rem 0 0.8rem;
}

.page-contact .ct-section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin-top: 0.9rem;
}

.page-contact .ct-section-note {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ================= 三张入口卡 ================= */

.page-contact .ct-entry {
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-contact .ct-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-contact .ct-entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.4rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-left: 1px solid var(--gold);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .ct-entry-card:hover,
.page-contact .ct-entry-card:focus-within {
  background: rgba(242, 193, 78, 0.08);
  border-color: var(--gold);
}

.page-contact .ct-card-no {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--navy-700);
  margin-bottom: 0.7rem;
}

.page-contact .ct-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ice);
  margin-bottom: 0.7rem;
  letter-spacing: 0.01em;
}

.page-contact .ct-card-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
  margin-bottom: 1.1rem;
}

.page-contact .ct-card-channel {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--ct-soft-line);
  margin-bottom: 0;
}

.page-contact .ct-channel-key {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .ct-channel-val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ice);
  letter-spacing: 0.04em;
}

.page-contact .ct-channel-val--gold {
  color: var(--gold);
}

.page-contact .ct-card-more {
  max-height: 0;
  overflow: hidden;
  transition: max-height 340ms var(--ease), opacity 340ms var(--ease);
  opacity: 0;
}

.page-contact .ct-entry-card:hover .ct-card-more,
.page-contact .ct-entry-card:focus-within .ct-card-more {
  max-height: 22rem;
  opacity: 1;
}

.page-contact .ct-more-title {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 1rem 0 0.5rem;
}

.page-contact .ct-more-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.9rem;
}

.page-contact .ct-more-list li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--ice);
}

.page-contact .ct-more-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 5px;
  height: 1px;
  background: var(--gold);
}

.page-contact .ct-card-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 218, 142, 0.35);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

/* ================= 准备信息 ================= */

.page-contact .ct-prep {
  padding: clamp(2.4rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-prep-lead {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
  margin-bottom: 1.8rem;
  max-width: 44ch;
}

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

.page-contact .ct-prep-item {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--ct-soft-line);
}

.page-contact .ct-prep-item:last-child {
  border-bottom: 1px solid var(--ct-soft-line);
}

.page-contact .ct-prep-no {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  padding-top: 0.15rem;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-prep-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ice);
  margin-bottom: 0.35rem;
}

.page-contact .ct-prep-item p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-prep-side {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.page-contact .ct-side-card {
  padding: 1.5rem 1.35rem;
}

.page-contact .ct-side-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ice);
  margin: 0.6rem 0 0.7rem;
}

.page-contact .ct-side-desc {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
  margin-bottom: 1.1rem;
}

.page-contact .ct-side-btn {
  font-size: 0.85rem;
}

.page-contact .ct-side-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  margin: 0.6rem 0 0.5rem;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-side-note {
  font-size: 0.83rem;
  line-height: 1.8;
  color: var(--mist);
  margin-top: 0.8rem;
}

/* ================= 合作路径 ================= */

.page-contact .ct-path {
  padding: clamp(2.8rem, 7vw, 4.5rem) 0;
  background: linear-gradient(180deg, rgba(27, 53, 87, 0.42) 0%, rgba(8, 23, 38, 0) 100%);
  border-top: 1px solid var(--line);
}

.page-contact .ct-path-figure {
  margin: 0 0 2.2rem;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--navy-900);
}

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

.page-contact .ct-path-figure figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-contact .ct-lane {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .ct-lane-item {
  position: relative;
  padding: 1.3rem 1.25rem 1.2rem;
  background: var(--ct-panel);
  border: 1px solid var(--line);
  border-top: 1px solid var(--gold);
}

.page-contact .ct-lane-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 0.7rem;
}

.page-contact .ct-lane-title {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ice);
  margin-bottom: 0.55rem;
}

.page-contact .ct-lane-text {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
  margin-bottom: 0.85rem;
}

.page-contact .ct-lane-out {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--green);
  padding-top: 0.7rem;
  border-top: 1px solid var(--ct-soft-line);
}

/* ================= 联系面板 ================= */

.page-contact .ct-contact {
  position: relative;
  overflow: hidden;
  background: var(--ct-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-contact-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .ct-contact-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  display: block;
}

.page-contact .ct-contact-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(2.8rem, 7vw, 4.5rem);
  padding-bottom: clamp(2.8rem, 7vw, 4.5rem);
}

.page-contact .ct-contact-title {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.7rem, 4.2vw, 2.8rem);
  line-height: 1.2;
  color: var(--ice);
  margin: 0.6rem 0 0.9rem;
}

.page-contact .ct-contact-lead {
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
  margin-bottom: 2rem;
}

.page-contact .ct-contact-list {
  margin: 0;
  border-top: 1px solid var(--ct-soft-line);
}

.page-contact .ct-contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--ct-soft-line);
}

.page-contact .ct-contact-key {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .ct-contact-val {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .ct-contact-val--sm {
  font-size: clamp(0.98rem, 2.1vw, 1.15rem);
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-contact .ct-contact-note {
  margin-top: 1.4rem;
  font-size: 0.83rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

/* ================= 响应节奏 ================= */

.page-contact .ct-rhythm {
  padding: clamp(2.8rem, 7vw, 4.5rem) 0 clamp(2.4rem, 6vw, 3.5rem);
}

.page-contact .ct-rhythm-head {
  margin-bottom: 1.6rem;
}

.page-contact .ct-rhythm-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2.4rem;
}

.page-contact .ct-rhythm-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--ct-soft-line);
}

.page-contact .ct-rhythm-row:last-child {
  border-bottom: 1px solid var(--ct-soft-line);
}

.page-contact .ct-rhythm-tag {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
}

.page-contact .ct-rhythm-text {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-tail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  padding: 1.6rem 1.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-left: 1px solid var(--gold);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-contact .ct-tail-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ice);
  margin-bottom: 0.5rem;
}

.page-contact .ct-tail-text {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact .ct-tail-actions .btn {
  font-size: 0.85rem;
}

/* ================= 刻度装饰线 ================= */

.page-contact .ct-scale {
  height: 14px;
  margin: 0 var(--gutter) 3rem;
  background-image: repeating-linear-gradient(
    90deg,
    var(--line) 0,
    var(--line) 1px,
    transparent 1px,
    transparent 18px
  );
  opacity: 0.7;
}

/* ================= 断点：≥640px ================= */

@media (min-width: 640px) {
  .page-contact .ct-hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-contact-row {
    grid-template-columns: 12rem 1fr;
    align-items: baseline;
    gap: 1rem;
  }

  .page-contact .ct-rhythm-row {
    grid-template-columns: 13rem 1fr;
    gap: 1.4rem;
    align-items: start;
  }

  .page-contact .ct-tail {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ================= 断点：≥900px ================= */

@media (min-width: 900px) {
  .page-contact .ct-entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 1.4rem;
  }

  .page-contact .ct-entry-card--a {
    margin-top: 0;
  }

  .page-contact .ct-entry-card--b {
    margin-top: var(--ct-lift);
  }

  .page-contact .ct-entry-card--c {
    margin-top: 1.1rem;
  }

  .page-contact .ct-card-more {
    max-height: 0;
    opacity: 0;
  }

  .page-contact .ct-prep-side {
    margin-top: 0;
    align-content: start;
  }

  .page-contact .ct-lane {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-contact .ct-lane-item::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -1.1rem;
    width: 1.1rem;
    height: 1px;
    background: var(--gold);
    opacity: 0.55;
  }

  .page-contact .ct-lane-item:last-child::after {
    display: none;
  }

  .page-contact .ct-contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }

  .page-contact .ct-contact-copy {
    position: sticky;
    top: calc(var(--topbar-h) + 2rem);
  }

  .page-contact .ct-contact-note {
    grid-column: 1 / -1;
    margin-top: 0.4rem;
  }
}

/* ================= 断点：≤899px 展开态改为常显 ================= */

@media (max-width: 899px) {
  .page-contact .ct-card-more {
    max-height: none;
    opacity: 1;
    margin-top: 0.6rem;
  }
}

/* ================= 动效偏好 ================= */

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-entry-card,
  .page-contact .ct-card-more,
  .page-contact .breadcrumb a,
  .page-contact .ct-card-link {
    transition: none;
  }
}
<<<END>>>