.page-contact {
  --contact-gap: clamp(18px, 3vw, 28px);
  --contact-inset: clamp(20px, 3vw, 30px);
  --contact-soft: rgba(241, 234, 216, 0.05);
  --contact-line-soft: rgba(241, 234, 216, 0.14);
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--text);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  padding-top: clamp(18px, 3vw, 28px);
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--text-mute);
}

.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

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

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--neon);
  border-bottom-color: currentColor;
}

.page-contact .breadcrumb-current {
  color: var(--neon);
  font-weight: 600;
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--bone);
  text-wrap: balance;
}

.page-contact .lede {
  margin-top: 18px;
  max-width: 34em;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .contact-lines {
  display: grid;
  gap: 12px;
  margin: clamp(24px, 4vw, 34px) 0 0;
}

.page-contact .contact-line {
  padding: 16px var(--contact-inset);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(79, 107, 69, 0.34), rgba(11, 15, 13, 0.62));
}

.page-contact .contact-line dt {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
}

.page-contact .contact-line dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.6vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .contact-line--phone {
  border-color: rgba(72, 240, 176, 0.42);
  background: linear-gradient(120deg, rgba(46, 125, 79, 0.5), rgba(11, 15, 13, 0.7));
}

.page-contact .contact-line--phone dd {
  color: var(--neon);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .contact-hero__side {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--moss);
}

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

.page-contact .response-card {
  padding: var(--contact-inset);
  border-radius: var(--radius-lg);
  background: var(--ink-950);
  border: 1px solid var(--line);
}

.page-contact .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(72, 240, 176, 0.45);
  background: rgba(72, 240, 176, 0.1);
  font-size: 13px;
  font-weight: 600;
  color: var(--neon);
}

.page-contact .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(72, 240, 176, 0.16);
}

.page-contact .response-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .response-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 13px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .response-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .response-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

.page-contact .response-value {
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--text-dim);
}

/* 通用区块节奏 */
.page-contact .section {
  padding-block: clamp(34px, 5.5vw, 60px);
}

.page-contact .section-head {
  display: grid;
  gap: 10px;
  max-width: 760px;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--bone);
}

.page-contact .note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-mute);
}

/* 通道卡 */
.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel-card {
  min-width: 0;
  padding: var(--contact-inset);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(79, 107, 69, 0.42), rgba(7, 37, 28, 0.94));
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel-card--phone {
  background: linear-gradient(160deg, rgba(46, 125, 79, 0.46), rgba(11, 15, 13, 0.94));
  border-color: rgba(72, 240, 176, 0.26);
}

.page-contact .channel-card .tag {
  justify-self: start;
}

.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 800;
  color: var(--bone);
}

.page-contact .channel-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--contact-line-soft);
  padding-top: 14px;
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--text-dim);
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--neon);
  opacity: 0.72;
}

.page-contact .channel-card--phone .channel-list li::before {
  background: var(--clay);
}

.page-contact .channel-meta {
  margin: 0;
  font-size: clamp(13px, 1.7vw, 15px);
  font-weight: 700;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-contact .quick-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: clamp(20px, 3vw, 28px);
  padding: 16px var(--contact-inset);
  border-radius: var(--radius-pill);
  background: var(--contact-soft);
  border: 1px solid var(--line);
}

.page-contact .quick-strip__text {
  margin: 0;
  font-size: 14px;
  color: var(--text-mute);
}

.page-contact .quick-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 准备清单 */
.page-contact .prepare-grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .prepare-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--moss);
}

.page-contact .prepare-list {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-contact .prep-expand {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--contact-soft);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .prep-expand:hover,
.page-contact .prep-expand:focus-within {
  border-color: rgba(72, 240, 176, 0.5);
  background: rgba(72, 240, 176, 0.06);
}

.page-contact .prep-expand .expand-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px var(--contact-inset);
  background: none;
  border: 0;
  border-radius: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  color: var(--bone);
  cursor: pointer;
}

.page-contact .prep-expand .expand-trigger:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-contact .prep-num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-contact .prep-label {
  min-width: 0;
  line-height: 1.5;
}

.page-contact .prep-expand .expand-panel {
  padding: 0 var(--contact-inset) 18px calc(var(--contact-inset) + 32px);
}

.page-contact .prep-expand .expand-panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--text-dim);
}

/* 合作 */
.page-contact .collab-wrap {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 46px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(72, 240, 176, 0.2);
  background: linear-gradient(112deg, rgba(46, 125, 79, 0.86), rgba(7, 37, 28, 0.96) 58%, rgba(11, 15, 13, 0.98));
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-contact .collab-wrap::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -30%;
  width: 62%;
  height: 78%;
  background: rgba(185, 102, 63, 0.2);
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-contact .collab-intro {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  max-width: 46em;
}

.page-contact .collab-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-contact .collab-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--bone);
  padding: 12px 16px;
  border-left: 3px solid var(--neon);
  background: rgba(7, 37, 28, 0.5);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .collab-list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .collab-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(241, 234, 216, 0.18);
}

.page-contact .collab-item:last-child {
  padding-bottom: 0;
}

.page-contact .collab-num {
  font-size: 13px;
  color: var(--neon);
  padding-top: 3px;
}

.page-contact .collab-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--bone);
}

.page-contact .collab-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* 地址与备案 */
.page-contact .where-grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .where-main {
  min-width: 0;
  display: grid;
  gap: 12px;
}

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

.page-contact .where-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .where-row:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .where-row dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-mute);
}

.page-contact .where-row dd {
  margin: 0;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.6;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .where-row dd.mono {
  font-family: var(--font-mono);
  color: var(--neon);
}

.page-contact .where-side {
  padding: var(--contact-inset);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(79, 107, 69, 0.36), rgba(11, 15, 13, 0.9));
}

.page-contact .where-side__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--bone);
}

.page-contact .where-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact .where-link {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.62;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .where-link:hover,
.page-contact .where-link:focus-visible {
  color: var(--neon);
  background: rgba(72, 240, 176, 0.08);
}

/* 断点 */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .where-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }

  .page-contact .collab-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .collab-item:first-child {
    border-top: 0;
    padding-top: 0;
  }
}

@media (max-width: 520px) {
  .page-contact .quick-strip {
    border-radius: var(--radius-md);
    align-items: flex-start;
  }

  .page-contact .prep-expand .expand-panel {
    padding-left: var(--contact-inset);
  }

  .page-contact .collab-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .breadcrumb-link,
  .page-contact .where-link,
  .page-contact .prep-expand {
    transition: none;
  }
}