.page-contact {
  --ct-card-bg: linear-gradient(155deg, rgba(26, 36, 72, 0.92), rgba(11, 18, 40, 0.98));
  --ct-radius: 0px;
  position: relative;
  overflow-x: clip;
  background: var(--deep-space);
  color: var(--mist);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-contact .ct-glow {
  position: absolute;
  inset: 0 0 auto 0;
  height: 640px;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 68% at 82% 10%, rgba(255, 106, 42, 0.18), transparent 64%),
    radial-gradient(54% 62% at 10% 0%, rgba(122, 92, 255, 0.24), transparent 66%);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  padding-top: clamp(18px, 4vw, 34px);
}

.page-contact .ct-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .ct-crumb li + li::before {
  content: "/";
  margin-right: 0.55rem;
  color: rgba(140, 150, 184, 0.55);
}

.page-contact .ct-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .ct-crumb a:hover,
.page-contact .ct-crumb a:focus-visible {
  color: var(--neon-orange);
  border-bottom-color: var(--neon-orange);
}

.page-contact .ct-crumb li[aria-current="page"] {
  color: var(--steel);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(26px, 5vw, 58px) 0 clamp(30px, 5vw, 56px);
}

.page-contact .ct-title {
  margin: clamp(12px, 2vw, 20px) 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4.3rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 17ch;
}

.page-contact .ct-title .accent {
  display: inline-block;
  background: linear-gradient(96deg, var(--neon-orange), var(--peach) 44%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .ct-lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-metrics {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-metric {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--nebula-soft);
}

.page-contact .ct-metric-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-contact .ct-metric-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

@media (min-width: 640px) {
  .page-contact .ct-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

/* ---------- 通用标题 ---------- */
.page-contact .ct-h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.45rem, 2.9vw, 2rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-h3 {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.32;
  color: var(--white);
}

.page-contact .ct-kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 工作台 ---------- */
.page-contact .ct-desk {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-contact .ct-desk-title {
  padding-bottom: clamp(18px, 3vw, 26px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-desk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .ct-desk-left,
.page-contact .ct-desk-right {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  align-content: start;
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-contact .ct-desk-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 切角卡片 ---------- */
.page-contact .ct-card {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ct-card-bg);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .ct-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  background: var(--line-strong);
  clip-path: inherit;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: background 240ms var(--ease);
}

.page-contact .ct-card:hover::before,
.page-contact .ct-card:focus-within::before {
  background: var(--neon-orange);
}

/* ---------- 分类指引筛选器 ---------- */
.page-contact .ct-guide-intro {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 58ch;
}

.page-contact .ct-dims {
  margin-top: clamp(18px, 3vw, 26px);
  display: grid;
  gap: 0;
}

.page-contact .ct-dim {
  position: relative;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-dim:last-child {
  padding-bottom: 0;
}

.page-contact .ct-dim-label {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 11px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-dim-num {
  color: var(--steel);
  letter-spacing: 0.1em;
}

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-chip-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-size: 13.5px;
  line-height: 1.3;
  color: var(--mist);
  background: rgba(221, 227, 242, 0.035);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  user-select: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background-color 180ms var(--ease), color 180ms var(--ease),
    border-color 180ms var(--ease);
}

.page-contact .ct-chip:hover {
  color: var(--white);
  border-color: var(--neon-orange);
}

.page-contact .ct-chip-input:checked + .ct-chip {
  color: var(--deep-space);
  background: var(--peach);
  border-color: var(--peach);
  font-weight: 700;
}

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

.page-contact .ct-guide-figure {
  margin: 0;
}

.page-contact .ct-guide-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--nebula);
}

.page-contact .ct-guide-figure figcaption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---------- 联系卡 ---------- */
.page-contact .ct-channels {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .ct-channel {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-channel:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-channel-key {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .ct-channel-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  width: fit-content;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact a.ct-channel-value:hover,
.page-contact a.ct-channel-value:focus-visible {
  color: var(--neon-orange);
  border-bottom-color: var(--neon-orange);
}

.page-contact .ct-channel-value--plain {
  border-bottom: 0;
  cursor: default;
}

.page-contact .ct-channel-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .ct-contact-foot {
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

/* ---------- 反馈卡 ---------- */
.page-contact .ct-feedback {
  background:
    linear-gradient(155deg, rgba(255, 106, 42, 0.1), rgba(11, 18, 40, 0.98) 62%);
}

.page-contact .ct-feedback-lede {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-fb-list {
  margin: clamp(14px, 2.2vw, 20px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-fb-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--mist);
}

.page-contact .ct-fb-list .mono {
  color: var(--neon-orange);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .ct-mail-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: clamp(18px, 2.6vw, 24px);
  padding: 13px 26px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--deep-space);
  background: var(--neon-orange);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-contact .ct-mail-btn:hover,
.page-contact .ct-mail-btn:focus-visible {
  background: var(--peach);
  color: var(--deep-space);
}

.page-contact .ct-fb-note {
  margin: 14px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 响应流程 ---------- */
.page-contact .ct-flow {
  background:
    linear-gradient(180deg, rgba(15, 23, 51, 0) 0%, rgba(15, 23, 51, 0.85) 18%, rgba(15, 23, 51, 0.85) 82%, rgba(15, 23, 51, 0) 100%);
}

.page-contact .ct-flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-contact .ct-flow-lede {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-steps {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-step-no {
  padding-top: 4px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--neon-orange);
}

.page-contact .ct-step-body h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-step-body p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-flow-figure {
  margin: 0;
  position: relative;
}

.page-contact .ct-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--nebula-soft);
}

.page-contact .ct-flow-figure figcaption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

@media (min-width: 900px) {
  .page-contact .ct-flow-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(30px, 5vw, 64px);
  }
}

/* ---------- 常见咨询场景 ---------- */
.page-contact .ct-scenes-lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-scene-grid {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-scene {
  border-bottom: 1px solid var(--line);
  transition: background-color 200ms var(--ease);
}

.page-contact .ct-scene[open] {
  background: rgba(15, 23, 51, 0.7);
}

.page-contact .ct-scene summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}

.page-contact .ct-scene summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-scene summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--neon-orange);
}

.page-contact .ct-scene[open] summary::after {
  content: "−";
}

.page-contact .ct-scene summary:hover .ct-scene-title,
.page-contact .ct-scene summary:focus-visible .ct-scene-title {
  color: var(--neon-orange);
}

.page-contact .ct-scene summary:focus-visible {
  outline: 2px solid var(--neon-orange);
  outline-offset: -2px;
}

.page-contact .ct-scene-title {
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 700;
  color: var(--white);
  transition: color 180ms var(--ease);
}

.page-contact .ct-scene-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 3px 9px;
  border: 1px solid rgba(46, 211, 247, 0.35);
}

.page-contact .ct-scene-body {
  padding: 0 4px 20px;
  max-width: 62ch;
}

.page-contact .ct-scene-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-scene-link {
  margin-top: 12px;
}

.page-contact .ct-scene-link a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--peach);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 215, 196, 0.45);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .ct-scene-link a:hover,
.page-contact .ct-scene-link a:focus-visible {
  color: var(--neon-orange);
  border-bottom-color: var(--neon-orange);
}

@media (min-width: 900px) {
  .page-contact .ct-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(30px, 5vw, 64px);
  }
}

/* ---------- 收尾 ---------- */
.page-contact .ct-closing {
  margin-top: clamp(30px, 4vw, 46px);
  padding: clamp(22px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 26px;
  background:
    linear-gradient(120deg, rgba(122, 92, 255, 0.22), rgba(255, 106, 42, 0.16));
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .ct-closing-text {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .ct-closing-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: background-color 200ms var(--ease), color 200ms var(--ease),
    border-color 200ms var(--ease);
}

.page-contact .ct-closing-btn:hover,
.page-contact .ct-closing-btn:focus-visible {
  color: var(--deep-space);
  background: var(--white);
  border-color: var(--white);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card::before,
  .page-contact .ct-chip,
  .page-contact .ct-mail-btn,
  .page-contact .ct-scene,
  .page-contact .ct-scene-title,
  .page-contact .ct-channel-value,
  .page-contact .ct-closing-btn {
    transition: none;
  }
}
<<<END>>>