.page-contact {
  --pc-measure: 60ch;
  color: var(--paper);
  padding-bottom: clamp(72px, 10vw, 140px);
}

.page-contact :focus-visible {
  outline: var(--ring);
  outline-offset: 3px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: clamp(18px, 3vw, 38px);
}

/* ---------- 顶部窄幅氛围带 ---------- */
.page-contact .contact-band {
  position: relative;
  margin-top: clamp(14px, 2.4vw, 28px);
  height: clamp(92px, 15vw, 186px);
  overflow: hidden;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-band__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 64%;
  opacity: .46;
  filter: saturate(.78) contrast(1.06);
}

.page-contact .contact-band__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, var(--ink) 0%, rgba(7, 11, 22, .32) 46%, rgba(7, 11, 22, .92) 100%);
}

.page-contact .contact-band__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ---------- 首屏标题区 ---------- */
.page-contact .contact-lede {
  padding-top: clamp(38px, 5.4vw, 76px);
}

.page-contact .contact-lede__title {
  margin: 14px 0 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(30px, 6vw, 64px);
  line-height: 1.03;
  letter-spacing: -.018em;
  color: var(--paper);
}

.page-contact .contact-lede__grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(22px, 3.2vw, 38px);
}

.page-contact .contact-lede__text {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(15.5px, 1.15vw, 17px);
  line-height: 1.78;
}

.page-contact .contact-lede__meta {
  margin: 0;
  align-self: end;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .contact-lede__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .44fr);
    align-items: end;
    gap: clamp(36px, 5vw, 72px);
  }
}

/* ---------- 主布局：移动端为单列重排，桌面端 5:3 双列 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "checklist"
    "channel"
    "fields"
    "sla";
  gap: clamp(36px, 5.4vw, 60px);
  margin-top: clamp(46px, 6.4vw, 92px);
}

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

.page-contact .contact-block--checklist { grid-area: checklist; }
.page-contact .contact-block--channel   { grid-area: channel; }
.page-contact .contact-block--fields    { grid-area: fields; }
.page-contact .contact-block--sla       { grid-area: sla; }

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
    grid-template-areas:
      "checklist channel"
      "fields    sla";
    column-gap: clamp(42px, 5.4vw, 88px);
    row-gap: clamp(52px, 6.6vw, 96px);
    align-items: start;
  }
}

/* ---------- 区块小标题 ---------- */
.page-contact .field-head {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-contact .field-head__title {
  margin: 10px 0 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.7vw, 33px);
  line-height: 1.15;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-contact .field-head__sub {
  margin: 12px 0 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 提交前置清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .checklist__mark {
  width: 17px;
  height: 17px;
  margin-top: 4px;
  border: 1.5px solid var(--line);
  border-radius: 3px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .checklist__item:hover .checklist__mark {
  border-color: var(--cyan);
  background-color: rgba(46, 230, 214, .1);
}

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

.page-contact .checklist__label {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .012em;
  color: var(--paper);
}

.page-contact .checklist__hint {
  margin: 5px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.68;
}

/* ---------- 配图 ---------- */
.page-contact .aside-figure {
  margin: clamp(26px, 3.2vw, 40px) 0 0;
}

.page-contact .aside-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--panel);
}

.page-contact .aside-figure__cap {
  margin-top: 12px;
  padding-left: 11px;
  border-left: 2px solid var(--violet);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .channel:last-of-type {
  margin-bottom: 0;
}

.page-contact .channel__tag {
  justify-self: start;
  font-size: 11px;
  letter-spacing: .14em;
}

.page-contact .channel__value {
  margin: 0;
  color: var(--paper);
  font-size: clamp(14px, 1.35vw, 16px);
  line-height: 1.5;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

.page-contact .channel-foot {
  margin: 20px 0 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.72;
}

.page-contact .channel-foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应时效 ---------- */
.page-contact .sla {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-contact .sla__figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
}

.page-contact .sla__num {
  font-size: clamp(46px, 7.4vw, 72px);
  font-weight: 700;
  line-height: .88;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-contact .sla__unit {
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .sla__caption {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

.page-contact .meterbar {
  position: relative;
  height: 6px;
  margin-top: 18px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.page-contact .meterbar__fill {
  display: block;
  height: 100%;
  width: 38%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  transform-origin: left center;
  animation: pc-meter-grow .9s var(--ease) both;
}

@keyframes pc-meter-grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.page-contact .route-list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .route-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .route-list__stage {
  font-size: 12px;
  letter-spacing: .13em;
  color: var(--gold);
}

.page-contact .route-list__desc {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 表单字段说明 ---------- */
.page-contact .fieldgrid {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .fieldrow {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .fieldrow__key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-contact .fieldrow__val,
.page-contact .fieldrow__rule {
  margin: 0;
  margin-inline-start: 0;
}

.page-contact .fieldrow__val {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .fieldrow__rule {
  color: var(--cyan);
  font-size: 12.5px;
  line-height: 1.62;
  letter-spacing: .015em;
}

@media (min-width: 760px) {
  .page-contact .fieldrow {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

/* ---------- 备案与联系信息条 ---------- */
.page-contact .record-bar {
  margin-top: clamp(54px, 7.4vw, 108px);
}

.page-contact .record-bar__inner {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-contact .record-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 18px 0 0;
}

@media (min-width: 720px) {
  .page-contact .record-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 32px;
  }
}

@media (min-width: 1100px) {
  .page-contact .record-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .record-item {
  min-width: 0;
}

.page-contact .record-item__label {
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .record-item__value {
  margin: 7px 0 0;
  margin-inline-start: 0;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .record-bar__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  max-width: 74ch;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.72;
}

.page-contact .record-bar__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .meterbar__fill {
    animation: none;
  }
  .page-contact .checklist__mark {
    transition: none;
  }
}