.page-contact {
  --paper-ink: #08130F;
  --paper-ink-soft: #3D4C46;
  --paper-hair: rgba(8, 19, 15, .14);
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--paper);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(47, 227, 206, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 227, 206, .05) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  overflow-x: hidden;
}

.page-contact [id] {
  scroll-margin-top: 92px;
}

.page-contact a {
  color: var(--cyan-electric);
}

/* 顶部上下文条 */
.page-contact .contact-topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  justify-content: space-between;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--neutral-400);
}

.page-contact .breadcrumbs a {
  color: var(--paper-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--cyan-electric);
  border-bottom-color: var(--line-strong);
}

.page-contact .contact-topbar .index-label {
  margin: 0;
  color: var(--neutral-400);
}

/* 主栅格：左窄右宽 */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(26px, 5vw, 52px);
}

@media (min-width: 1020px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 336px) minmax(0, 1fr);
    gap: clamp(40px, 4vw, 72px);
  }
}

.page-contact .contact-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

@media (min-width: 1020px) {
  .page-contact .contact-side {
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 108px);
    overflow-y: auto;
    padding-right: 4px;
  }
}

/* 侧栏：章节目录 */
.page-contact .contact-rail {
  display: grid;
  gap: 2px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .02);
}

.page-contact .contact-rail .index-label {
  margin: 0 0 8px;
  color: var(--neutral-400);
}

.page-contact .indexrail__link {
  display: block;
  padding: 7px 10px;
  font-size: 14px;
  color: var(--paper-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .indexrail__link:hover,
.page-contact .indexrail__link:focus-visible {
  color: var(--paper);
  background: rgba(47, 227, 206, .08);
  border-left-color: var(--cyan-deep);
}

.page-contact .indexrail__link.is-active {
  color: var(--cyan-electric);
  border-left-color: var(--cyan-electric);
  background: rgba(47, 227, 206, .1);
}

/* 侧栏：玻璃态渠道速览 */
.page-contact .contact-quick {
  padding: 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-contact .contact-quick__title {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .contact-quick__note {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--neutral-400);
}

.page-contact .contact-quick__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-quick__list dt {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neutral-400);
}

.page-contact .contact-quick__value {
  margin: 4px 0 0;
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-electric);
  word-break: break-all;
}

.page-contact .contact-quick__use {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--paper-dim);
}

.page-contact .contact-quick .statusled {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper-dim);
}

.page-contact .contact-side__figure {
  margin: 0;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-contact .media-caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--neutral-400);
}

/* 右侧正文流 */
.page-contact .contact-flow {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-contact .contact-intro {
  display: grid;
  gap: 14px;
  padding-bottom: clamp(26px, 4vw, 40px);
}

.page-contact .contact-intro .kicker {
  margin: 0;
  color: var(--cyan-electric);
}

.page-contact .contact-intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -.025em;
  color: var(--paper);
}

.page-contact .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
  color: var(--paper-dim);
}

.page-contact .contact-intro__meta {
  margin: 0;
  max-width: 62ch;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-deep);
  font-size: 13px;
  line-height: 1.7;
  color: var(--neutral-400);
}

.page-contact .contact-block {
  padding: clamp(26px, 4vw, 42px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-block .index-label {
  margin: 0;
  color: var(--neutral-400);
}

.page-contact .sect-title {
  margin: 8px 0 14px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-block p {
  max-width: 66ch;
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper-dim);
}

.page-contact .contact-block p:last-child {
  margin-bottom: 0;
}

/* 处理先后 */
.page-contact .contact-order {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
}

.page-contact .contact-order__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-order__num {
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-deep);
  letter-spacing: .06em;
}

.page-contact .contact-order__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-order__item p {
  margin: 0;
  font-size: 15px;
}

.page-contact .contact-note {
  margin-top: 18px !important;
  font-size: 13px !important;
  color: var(--neutral-400) !important;
}

/* 准备清单：暖纸实色层 */
.page-contact .contact-paper {
  margin-top: 24px;
  padding: clamp(18px, 3vw, 34px);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--paper-ink);
}

.page-contact .contact-checklist {
  display: grid;
}

.page-contact .contact-checklist__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--paper-hair);
}

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

.page-contact .contact-checklist__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  max-width: none !important;
  margin: 0 !important;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-ink);
}

.page-contact .contact-checklist__item::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyan-deep);
  border-radius: 2px;
}

.page-contact .contact-checklist__why {
  max-width: 60ch !important;
  margin: 0 !important;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-ink-soft);
}

@media (min-width: 760px) {
  .page-contact .contact-checklist__row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
    align-items: start;
  }
}

.page-contact .contact-prep__figure {
  margin: 26px 0 0;
}

/* 咨询类型 */
.page-contact .contact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 20px;
}

.page-contact .chip {
  appearance: none;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .02em;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--paper-dim);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .chip:hover,
.page-contact .chip:focus-visible {
  color: var(--paper);
  border-color: var(--cyan-deep);
}

.page-contact .chip.is-active {
  background: var(--cyan-electric);
  border-color: var(--cyan-electric);
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .contact-type {
  margin-top: 16px;
  padding: 8px 18px 8px 18px;
  border-left: 2px solid var(--cyan-deep);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(90deg, rgba(47, 227, 206, .07), transparent 64%);
}

.page-contact .contact-type h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-type p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .contact-type__need {
  font-family: var(--font-data);
  font-size: 12.5px !important;
  letter-spacing: .02em;
  color: var(--cyan-electric) !important;
}

.page-contact .contact-type a {
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 206, .4);
}

/* 地址 */
.page-contact .contact-address {
  display: block;
  max-width: none !important;
  margin: 18px 0 !important;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  background: rgba(47, 227, 206, .05);
  font-family: var(--font-data);
  font-size: clamp(1rem, 2vw, 1.15rem) !important;
  line-height: 1.6;
  color: var(--paper) !important;
  letter-spacing: .02em;
}

/* 纠错与合作卡片 */
.page-contact .contact-cards {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

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

.page-contact .contact-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-700);
}

.page-contact .contact-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-card p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-dim);
}

.page-contact .contact-card p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-card--data {
  border-left: 3px solid var(--amber-battle);
}

.page-contact .contact-cards__wide {
  grid-column: 1 / -1;
}

/* 收口引导 */
.page-contact .contact-outro {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .contact-outro p {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--neutral-400);
}

.page-contact .contact-outro p a {
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 206, .4);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .contact-outro p a:hover,
.page-contact .contact-outro p a:focus-visible {
  border-bottom-color: var(--cyan-electric);
}

.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-outro__actions .btn {
  text-decoration: none;
}

@media (max-width: 480px) {
  .page-contact .contact-topbar {
    align-items: flex-start;
  }

  .page-contact .contact-order__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .contact-type {
    padding: 8px 14px;
  }

  .page-contact .contact-outro__actions {
    flex-direction: column;
    align-items: stretch;
  }
}