.page-contact {
  --contact-card-line: var(--line);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact .contact-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(64px, 10vw, 120px);
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 32px);
  padding-bottom: clamp(12px, 2vw, 20px);
}

/* 首屏 */
.page-contact .contact-masthead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: clamp(24px, 4vw, 48px);
  border-bottom: 1px solid var(--contact-card-line);
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-contact .contact-masthead-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .contact-masthead-copy h1 {
  font-size: clamp(28px, 5.2vw, 52px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0.04em;
  margin: 0;
  max-width: 20ch;
  color: var(--paper);
}

.page-contact .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0;
}

.page-contact .contact-eyebrow-line {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--lime);
}

.page-contact .contact-lede {
  font-size: 16px;
  color: var(--paper);
  opacity: 0.92;
  max-width: 54ch;
  margin: 0;
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .contact-masthead-media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--contact-card-line);
  background: var(--glass);
  aspect-ratio: 7 / 4;
}

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

.page-contact .contact-masthead-media figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 10px 16px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--paper);
  background: linear-gradient(90deg, rgba(6, 18, 15, 0.85), rgba(6, 18, 15, 0));
  letter-spacing: 0.08em;
}

/* 双栏 */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .contact-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--contact-card-line);
  border-left: 3px solid var(--lime);
  border-radius: var(--r-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .contact-card-head h2 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 10px 0 6px;
  color: var(--paper);
  line-height: 1.3;
}

.page-contact .contact-card-head p {
  font-size: 13px;
  margin: 0;
}

.page-contact .contact-card-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lime);
  padding: 3px 10px;
  border: 1px solid var(--lime);
  border-radius: 999px;
  font-family: var(--font-mono);
}

.page-contact .contact-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .contact-card-item {
  padding: 14px 0;
  border-top: 1px dashed var(--contact-card-line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .contact-card-item:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .contact-card-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-card-value {
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
  font-family: var(--font-mono);
  line-height: 1.55;
}

.page-contact a.contact-card-value:hover {
  color: var(--lime);
}

.page-contact .contact-card-note {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  padding-top: 10px;
  border-top: 1px solid var(--contact-card-line);
}

/* 右侧内容区 */
.page-contact .contact-main {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 7vw, 80px);
  min-width: 0;
}

.page-contact .contact-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .contact-section-head h2 {
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin: 8px 0 8px;
  color: var(--paper);
}

.page-contact .contact-section-index {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-contact .contact-section-note {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  max-width: 62ch;
}

/* 响应时段 */
.page-contact .response-track {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--contact-card-line);
  border-radius: var(--r-md);
}

.page-contact .response-scale {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  color: var(--muted);
}

.page-contact .response-time {
  font-size: 15px;
  color: var(--paper);
  letter-spacing: 0.08em;
}

.page-contact .response-fill {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--lime) 60%, var(--orange));
  box-shadow: inset 0 0 0 1px rgba(198, 255, 79, 0.14);
}

.page-contact .response-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .response-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--paper);
  line-height: 1.75;
}

.page-contact .response-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--lime);
  border-radius: 50%;
}

.page-contact .response-list li strong {
  color: var(--amber);
  font-weight: 700;
  margin-right: 6px;
}

/* 反馈四格 */
.page-contact .feedback-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .feedback-cell {
  position: relative;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--contact-card-line);
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 128px;
}

.page-contact .feedback-cell::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 14px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  opacity: 0.6;
}

.page-contact .feedback-num {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-contact .feedback-label {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .feedback-cell p {
  font-size: 13px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.page-contact .feedback-visual {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--contact-card-line);
  background: var(--glass);
  aspect-ratio: 16 / 9;
  position: relative;
}

.page-contact .feedback-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 协作 */
.page-contact .collab-types {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .collab-type {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--contact-card-line);
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .collab-type h3 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0;
  color: var(--lime);
}

.page-contact .collab-type p {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
  line-height: 1.7;
}

.page-contact .collab-flow {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .collab-node {
  position: relative;
  padding: 20px 22px;
  background: linear-gradient(180deg, var(--surface), rgba(18, 48, 42, 0.55));
  border: 1px solid var(--contact-card-line);
  border-radius: var(--r-sm);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-contact .collab-node:hover {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-contact .collab-node-index {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lime);
  margin-bottom: 6px;
}

.page-contact .collab-node h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--paper);
  letter-spacing: 0.04em;
}

.page-contact .collab-node p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* 服务地区 */
.page-contact .region-lede {
  font-size: 15px;
  max-width: 66ch;
  margin: 0;
  color: var(--paper);
}

.page-contact .region-lede a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .region-lede a:hover {
  color: var(--amber);
}

.page-contact .region-meta {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--contact-card-line);
  border: 1px solid var(--contact-card-line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-contact .region-meta li {
  padding: 16px 18px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .region-meta span {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .region-meta strong {
  font-size: 14px;
  color: var(--paper);
  font-weight: 600;
  word-break: break-word;
}

.page-contact .region-meta strong.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* 移动端紧凑调整 */
@media (max-width: 480px) {
  .page-contact .contact-card-value,
  .page-contact .region-meta strong {
    font-size: 13px;
  }
  .page-contact .contact-quick {
    flex-direction: column;
    align-items: stretch;
  }
  .page-contact .contact-quick .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .page-contact .response-track {
    padding: 18px;
  }
}

/* 平板起步：双栏 */
@media (min-width: 560px) {
  .page-contact .feedback-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 720px) {
  .page-contact .collab-types {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .region-meta {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 880px) {
  .page-contact .contact-masthead {
    grid-template-columns: 1.15fr 1fr;
    gap: 56px;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-contact .feedback-wrap {
    grid-template-columns: 1.3fr 1fr;
    align-items: stretch;
  }
  .page-contact .feedback-visual {
    aspect-ratio: auto;
    min-height: 100%;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: 320px 1fr;
    gap: 56px;
    align-items: start;
  }
  .page-contact .contact-card {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 820px) {
  .page-contact .collab-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
  }
  .page-contact .collab-node:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 26px;
    right: -26px;
    color: var(--lime);
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1;
  }
}
<<<END>>>