.page-contact {
  --contact-gap: clamp(28px, 4vw, 56px);
  background: var(--paper);
  color: var(--char);
  overflow-x: hidden;
}

/* ---------- 经幡色带 ---------- */
.page-contact .flag-band {
  display: flex;
  height: 8px;
  width: 100%;
  overflow: hidden;
}
.page-contact .flag-band i {
  flex: 1 1 0;
  display: block;
}
.page-contact .flag-band i:nth-child(1) { background: var(--blue); }
.page-contact .flag-band i:nth-child(2) { background: var(--mist); }
.page-contact .flag-band i:nth-child(3) { background: var(--red); }
.page-contact .flag-band i:nth-child(4) { background: var(--green); }
.page-contact .flag-band i:nth-child(5) { background: var(--yellow); }
.page-contact .flag-band--foot { margin-top: clamp(48px, 7vw, 88px); }

/* ---------- 首屏 ---------- */
.page-contact .hero {
  position: relative;
  padding-bottom: clamp(36px, 6vw, 72px);
  background: var(--paper);
}
.page-contact .hero .breadcrumb {
  margin: 18px 0 0;
}
.page-contact .hero-inner {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(20px, 3vw, 34px);
}
.page-contact .hero-copy .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--claret);
}
.page-contact .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.page-contact .hero-title-em {
  display: inline-block;
  color: var(--claret);
  border-bottom: 6px solid var(--yellow);
  padding-bottom: 2px;
}
.page-contact .hero-lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(0.95rem, 1.7vw, 1.0625rem);
  line-height: 1.85;
  color: var(--char);
}
.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .hero-media {
  position: relative;
  margin: 0;
  padding-right: 6px;
}
.page-contact .hero-media::before {
  content: "";
  position: absolute;
  inset: 20px 0 -18px 24px;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
}
.page-contact .hero-media img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 3px;
}
.page-contact .hero-media figcaption {
  position: relative;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: var(--contact-gap);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 左侧展览标签信息牌 ---------- */
.page-contact .rail-caption {
  display: inline-block;
  margin: 0;
  padding: 7px 14px;
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
}
.page-contact .plaque-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .plaque {
  padding: 14px 16px 15px 20px;
  background: var(--mist);
  border: 1px solid var(--paper-deep);
  border-left: 4px solid var(--blue);
}
.page-contact .plaque:nth-child(1) { border-left-color: var(--blue); }
.page-contact .plaque:nth-child(2) { border-left-color: var(--green); }
.page-contact .plaque:nth-child(3) { border-left-color: var(--claret); }
.page-contact .plaque:nth-child(4) { border-left-color: var(--red); }
.page-contact .plaque:nth-child(5) { border-left-color: var(--yellow); }
.page-contact .plaque-no {
  display: block;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--graphite);
}
.page-contact .plaque-cat {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.page-contact .plaque-val {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--claret);
  word-break: break-word;
}
.page-contact .plaque-note {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 右侧章节 ---------- */
.page-contact .block {
  padding-top: clamp(26px, 3.4vw, 40px);
  border-top: 1px solid var(--paper-deep);
  scroll-margin-top: 96px;
}
.page-contact .contact-main > .block:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-contact .block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}
.page-contact .block-index {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--claret);
}
.page-contact .block-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-contact .block-lede {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--char);
}
.page-contact .block-foot {
  margin: 20px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}
.page-contact .block-foot a {
  color: var(--claret);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 01 客服渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 14px;
}
.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: 20px 20px 20px 24px;
  background: var(--mist);
  border: 1px solid var(--paper-deep);
}
.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--blue);
}
.page-contact .channel-card--tel::before {
  background: var(--green);
}
.page-contact .channel-value {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .channel-desc {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}
.page-contact .support-figure {
  margin: 22px 0 0;
}
.page-contact .support-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: 3px;
}
.page-contact .support-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---------- 02 内容合作 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .coop-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 16px 18px;
  background: var(--paper-deep);
  border-left: 3px solid var(--blue);
}
.page-contact .coop-item:nth-child(2) { border-left-color: var(--green); }
.page-contact .coop-item:nth-child(3) { border-left-color: var(--claret); }
.page-contact .coop-num {
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: 20px;
  line-height: 1.1;
  color: var(--graphite);
}
.page-contact .coop-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-contact .coop-text {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--char);
}

/* ---------- 03 数据纠错 ---------- */
.page-contact .fix-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.4vw, 34px) clamp(20px, 3vw, 30px);
  background: var(--ink);
  color: var(--mist);
}
.page-contact .fix-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--blue) 0 20%,
    var(--mist) 20% 40%,
    var(--red) 40% 60%,
    var(--green) 60% 80%,
    var(--yellow) 80% 100%
  );
}
.page-contact .fix-text {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--mist);
}
.page-contact .fix-text strong {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.9em;
  color: var(--yellow);
  word-break: break-word;
}
.page-contact .fix-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}
.page-contact .fix-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--mist);
}

/* ---------- 04 地址 ---------- */
.page-contact .address-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px) clamp(20px, 3.4vw, 36px);
  background: var(--mist);
  border: 1px solid var(--paper-deep);
}
.page-contact .contour {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--blue);
  opacity: 0.16;
  pointer-events: none;
}
.page-contact .address-label {
  position: relative;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--graphite);
}
.page-contact .address-value {
  position: relative;
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-contact .address-note {
  position: relative;
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 05 场景折叠 ---------- */
.page-contact .scene-list {
  border-top: 1px solid var(--paper-deep);
}
.page-contact .scene {
  border-bottom: 1px solid var(--paper-deep);
}
.page-contact .scene summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}
.page-contact .scene summary::-webkit-details-marker {
  display: none;
}
.page-contact .scene summary::before {
  content: "";
  flex: none;
  width: 4px;
  height: 16px;
  background: var(--claret);
}
.page-contact .scene-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9875rem;
  color: var(--ink);
}
.page-contact .scene-hint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}
.page-contact .scene summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--graphite);
  transition: color 200ms var(--ease);
}
.page-contact .scene[open] summary::after {
  content: "−";
  color: var(--green);
}
.page-contact .scene-body {
  padding: 0 0 18px 16px;
}
.page-contact .scene-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--graphite);
}
.page-contact .scene-body .btn {
  margin-top: 14px;
}

/* ---------- 06 备选路径 ---------- */
.page-contact .fallback-grid {
  display: grid;
  gap: 12px;
}
.page-contact .fallback {
  display: block;
  padding: 16px 18px;
  background: var(--paper-deep);
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}
.page-contact .fallback-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--claret);
}
.page-contact .fallback-text {
  display: block;
  margin-top: 7px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--graphite);
}
.page-contact .fallback:hover,
.page-contact .fallback:focus-visible {
  transform: translateY(-4px);
  border-color: var(--claret);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .fallback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-inner {
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
  }
  .page-contact .hero-media {
    margin-top: 0;
  }
  .page-contact .fallback-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-contact .contact-body {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .contact-rail {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fallback {
    transition: none;
  }
  .page-contact .fallback:hover,
  .page-contact .fallback:focus-visible {
    transform: none;
  }
}
<<<END>>>