.page-contact {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .ct-breadcrumb-bar {
  padding-top: calc(var(--header-h) + 28px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .breadcrumb-item a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .breadcrumb-item a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--line-cyan);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 10px;
  color: var(--slate);
  opacity: 0.6;
}

.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-masthead-inner {
  padding: 40px 0 56px;
  display: grid;
  gap: 22px;
  position: relative;
}

.page-contact .ct-masthead-inner::after {
  content: "";
  position: absolute;
  right: 0;
  top: 10px;
  width: 180px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
  transform: rotate(-8deg);
  transform-origin: right center;
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .ct-masthead .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .ct-masthead h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 16ch;
  background: linear-gradient(120deg, var(--paper) 30%, var(--cyan-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--paper);
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 239, 227, 0.78);
}

.page-contact .ct-masthead-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 6px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .ct-fact-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

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

.page-contact .ct-masthead-jump {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .ct-masthead-jump a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-cyan);
  padding-bottom: 2px;
}

.page-contact .ct-masthead-jump a:hover {
  color: var(--cyan);
}

/* ---------- 通用区块 ---------- */

.page-contact .ct-section {
  padding: 60px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-section--paper {
  background: var(--paper);
  color: var(--carbon);
  border-top: 1px solid var(--paper-dim);
}

.page-contact .ct-sec-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 30px;
}

.page-contact .ct-sec-head > div {
  min-width: 0;
}

.page-contact .section-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-section--paper .section-num,
.page-contact .ct-contact-band .section-num {
  color: var(--carbon);
  opacity: 0.35;
}

.page-contact .section-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-section--paper .section-title,
.page-contact .ct-contact-band .section-title {
  color: var(--carbon);
}

.page-contact .ct-sec-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-section--paper .ct-sec-lede,
.page-contact .ct-contact-band .ct-sec-lede {
  color: #5B6F68;
}

/* ---------- 01 合作场景 ---------- */

.page-contact .ct-scene-figure {
  margin: 0 0 32px;
}

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

.page-contact .media-frame__caption {
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

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

.page-contact .ct-partner {
  background: var(--ink-lift);
  border: 1px solid var(--line);
  padding: 22px 20px 24px;
  box-shadow: 3px 3px 0 rgba(243, 239, 227, 0.06);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.page-contact .ct-partner:hover {
  transform: translateY(-2px);
  border-color: var(--line-cyan);
  box-shadow: 3px 5px 0 rgba(46, 242, 196, 0.16);
}

.page-contact .ct-partner .tag {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .ct-partner h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .ct-partner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 239, 227, 0.72);
}

.page-contact .ct-partner a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .ct-partner a:hover {
  color: var(--cyan);
}

/* ---------- 02 服务组合 ---------- */

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

.page-contact .ct-service {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--paper-dim);
  padding: 24px 20px 26px;
  box-shadow: 3px 3px 0 rgba(16, 28, 24, 0.06);
  color: var(--carbon);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-contact .ct-service:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.page-contact .ct-service-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--carbon);
  border: 1px solid var(--paper-dim);
  background: var(--paper);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-contact .ct-service--accent .ct-service-index {
  background: var(--ink);
  color: var(--cyan);
  border-color: var(--ink);
}

.page-contact .ct-service h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  color: var(--carbon);
}

.page-contact .ct-service p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: #40544D;
}

.page-contact .ct-service a {
  color: #0B6E5C;
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 110, 92, 0.35);
}

.page-contact .ct-service a:hover {
  border-bottom-color: #0B6E5C;
}

.page-contact .ct-service-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-dim);
}

.page-contact .ct-service-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: #5B6F68;
  border-bottom: 1px dashed rgba(222, 214, 196, 0.8);
}

.page-contact .ct-service-list li:last-child {
  border-bottom: none;
}

.page-contact .ct-service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 7px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 03 合作流程 ---------- */

.page-contact .ct-section--flow {
  background:
    repeating-linear-gradient(0deg, rgba(243, 239, 227, 0.028) 0 1px, transparent 1px 26px),
    var(--ink);
}

.page-contact .ct-flow-wrap {
  position: relative;
}

.page-contact .ct-flow-wrap::before {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  top: 46%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 22%, var(--amber) 78%, transparent);
  transform: rotate(-8deg);
  transform-origin: center;
  opacity: 0.32;
  pointer-events: none;
}

.page-contact .ct-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-flow-step details {
  background: var(--ink-lift);
  border: 1px solid var(--line);
  height: 100%;
  transition: border-color 200ms ease;
}

.page-contact .ct-flow-step details:hover {
  border-color: var(--line-cyan);
}

.page-contact .ct-flow-step details[open] {
  border-color: var(--line-cyan);
}

.page-contact .ct-flow-step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}

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

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

.page-contact .ct-step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-step-title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .ct-step-mark {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--slate);
  transition: transform 160ms ease, color 160ms ease;
}

.page-contact .ct-flow-step details[open] .ct-step-mark {
  transform: rotate(90deg);
  color: var(--cyan);
}

.page-contact .ct-step-body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-step-body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 239, 227, 0.72);
}

.page-contact .ct-flow-figure {
  margin: 36px 0 0;
}

/* ---------- 04 响应时间 ---------- */

.page-contact .ct-response {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line-cyan);
}

.page-contact .ct-response-quote {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.8vw, 24px);
  line-height: 1.65;
  color: var(--paper);
  border-left: 2px solid var(--amber);
  padding-left: 20px;
}

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

.page-contact .ct-response-list li {
  position: relative;
  padding: 14px 0 14px 22px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 239, 227, 0.75);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-response-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ct-response-list strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-contact .ct-response-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .ct-response-note a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .ct-response-note a:hover {
  color: var(--cyan);
}

/* ---------- 05 / 06 联系与准备 ---------- */

.page-contact .ct-contact-band {
  padding: 60px 0 68px;
  background: var(--paper);
  color: var(--carbon);
  border-top: 1px solid var(--paper-dim);
}

.page-contact .ct-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .ct-contact-main {
  min-width: 0;
}

.page-contact .ct-contact-card {
  background: var(--ink);
  border: 1px solid var(--ink-lift);
  padding: 0 20px 22px;
  box-shadow: 4px 4px 0 rgba(16, 28, 24, 0.14);
  color: var(--paper);
}

.page-contact .ct-portal {
  padding: 22px 0 20px;
  border-bottom: 1px dashed rgba(243, 239, 227, 0.2);
}

.page-contact .ct-portal-label {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  border: 1px solid rgba(233, 169, 75, 0.45);
  padding: 4px 10px;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}

.page-contact .ct-portal p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 239, 227, 0.76);
}

.page-contact .ct-contact-list {
  display: block;
  margin: 0;
  padding: 0;
}

.page-contact .ct-contact-list .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(243, 239, 227, 0.12);
}

.page-contact .ct-contact-list .contact-item:last-child {
  border-bottom: none;
}

.page-contact .ct-contact-list .contact-key {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .ct-contact-list .contact-value {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-contact-list .ct-big {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2.6vw, 20px);
  letter-spacing: -0.01em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-contact-list .copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  background: transparent;
  border: 1px solid rgba(233, 169, 75, 0.5);
  padding: 5px 12px;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-contact .ct-contact-list .copy-btn:hover {
  background: rgba(233, 169, 75, 0.14);
  color: var(--paper);
  border-color: var(--amber);
}

.page-contact .ct-contact-list .copy-btn[data-state="done"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-contact-list .copy-btn[data-state="fail"] {
  color: var(--paper);
  border-color: var(--coral);
  background: rgba(240, 106, 77, 0.2);
}

.page-contact .ct-contact-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-contact-note a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 251, 228, 0.35);
}

.page-contact .ct-contact-note a:hover {
  color: var(--cyan);
}

.page-contact .ct-prep {
  min-width: 0;
}

.page-contact .ct-sec-head--tight {
  margin-bottom: 14px;
}

.page-contact .ct-prep-note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #5B6F68;
}

.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-dim);
}

.page-contact .ct-checklist li {
  border-bottom: 1px solid var(--paper-dim);
}

.page-contact .ct-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 4px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.7;
  color: #40544D;
  transition: background 160ms ease;
}

.page-contact .ct-check:hover {
  background: rgba(233, 169, 75, 0.1);
}

.page-contact .ct-check input[type="checkbox"] {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  accent-color: #0B6E5C;
  cursor: pointer;
}

.page-contact .ct-check strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--carbon);
  margin-bottom: 2px;
}

.page-contact .ct-check span {
  min-width: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-masthead-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .ct-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-contact .ct-partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-section,
  .page-contact .ct-contact-band {
    padding: 78px 0;
  }

  .page-contact .ct-masthead-inner {
    padding: 56px 0 76px;
  }

  .page-contact .ct-sec-head {
    grid-template-columns: 108px 1fr;
    gap: 28px;
    align-items: start;
    margin-bottom: 38px;
  }

  .page-contact .section-num {
    font-size: 40px;
    padding-top: 4px;
  }

  .page-contact .ct-service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-service {
    padding: 26px 22px 28px;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-contact .ct-flow-step summary {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .page-contact .ct-step-title {
    flex: 1 0 100%;
    font-size: 17px;
  }

  .page-contact .ct-step-mark {
    position: absolute;
    right: 14px;
    top: 18px;
  }

  .page-contact .ct-flow-step details {
    position: relative;
  }

  .page-contact .ct-response {
    grid-template-columns: 5fr 6fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-response-quote {
    padding-left: 24px;
  }

  .page-contact .ct-contact-grid {
    grid-template-columns: 7fr 4fr;
    gap: 44px;
    align-items: start;
  }

  .page-contact .ct-contact-card {
    padding: 0 26px 26px;
  }

  .page-contact .ct-contact-list .contact-item {
    flex-wrap: nowrap;
    align-items: center;
  }

  .page-contact .ct-contact-list .contact-key {
    flex: 0 0 88px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-flow {
    gap: 20px;
  }

  .page-contact .ct-masthead h1 {
    max-width: 15ch;
  }
}
<<<END>>>