.page-contact {
  --c-gap: clamp(18px, 3vw, 28px);
}

.page-contact .c-crumbs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  padding-bottom: 4px;
}

/* ---------- 首屏：左信息牌 + 右路径选择 ---------- */
.page-contact .c-hero {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-contact .c-hero__grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .c-hero__title {
  margin: 10px 0 16px;
  font-size: clamp(32px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-contact .c-hero__lede {
  max-width: 34em;
  color: var(--dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-contact .c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 信息牌 */
.page-contact .c-plate {
  position: relative;
  overflow: hidden;
  display: flex;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: var(--raise);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: 0 1px 0 rgba(240, 178, 60, 0.18), 0 14px 34px -26px rgba(0, 0, 0, 0.9);
}

.page-contact .c-plate__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  pointer-events: none;
}

.page-contact .c-plate__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.page-contact .c-plate__label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .c-plate__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-plate__rows {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-contact .c-plate__row {
  display: grid;
  gap: 3px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-contact .c-plate__row dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.page-contact .c-plate__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* 求助路径选择器 */
.page-contact .c-picker {
  display: grid;
  gap: 12px;
}

.page-contact .c-picker__cap {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.page-contact .c-pick {
  border: 1px solid var(--line);
  border-left-width: 2px;
  border-radius: var(--radius);
  background: var(--raise-2);
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-contact .c-pick:hover {
  transform: translateY(-3px);
  background: var(--raise);
}

.page-contact .c-pick[open] {
  background: var(--raise);
}

.page-contact .c-pick--cyan {
  border-left-color: var(--cyan);
}
.page-contact .c-pick--gold {
  border-left-color: var(--gold);
}
.page-contact .c-pick--magenta {
  border-left-color: var(--magenta);
}

.page-contact .c-pick__sum {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 10px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-contact .c-pick__sum::-webkit-details-marker {
  display: none;
}

.page-contact .c-pick__sum::after {
  content: "+";
  grid-column: 3;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--dim);
  transition: color 160ms ease;
}

.page-contact .c-pick[open] .c-pick__sum::after {
  content: "–";
}

.page-contact .c-pick__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .c-pick--gold .c-pick__num {
  color: var(--gold);
}

.page-contact .c-pick--magenta .c-pick__num {
  color: var(--magenta);
}

.page-contact .c-pick__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-pick__hint {
  grid-column: 2 / 4;
  font-size: 12.5px;
  color: var(--dim);
}

.page-contact .c-pick__body {
  padding: 0 16px 18px 16px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
  padding-top: 14px;
}

.page-contact .c-pick__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
}

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

.page-contact .c-pick__mono {
  font-size: 14px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .c-pick__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 正文：索引条 + 错落章节 ---------- */
.page-contact .c-body {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .c-rail .rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .c-rail .rail__link {
  display: inline-block;
  white-space: nowrap;
  font-size: 13px;
}

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

.page-contact .c-sec__head {
  margin-bottom: 18px;
}

.page-contact .c-sec__panel {
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .c-sec__text {
  max-width: 62ch;
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--dim);
}

.page-contact .c-sec__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .c-sec__note {
  font-size: 13px;
}

/* 九类目 */
.page-contact .c-cats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .c-cats__item {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 14, 36, 0.5);
  font-size: 14.5px;
  color: var(--text);
}

.page-contact .c-cats__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* 渠道卡片 */
.page-contact .c-chans {
  margin-bottom: 18px;
}

.page-contact .c-chan {
  border-top: 2px solid var(--line);
}

.page-contact .c-chan--gold {
  border-top-color: var(--gold);
}

.page-contact .c-chan--magenta {
  border-top-color: var(--magenta);
}

.page-contact .c-chan:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .c-chan__list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
}

.page-contact .c-chan__list dt {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-contact .c-chan__list dd {
  margin: 2px 0 0;
  font-size: 14.5px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .c-addr {
  max-width: 68ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* 服务时段 */
.page-contact .c-hours {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .c-hours__media {
  margin: 0;
}

.page-contact .c-hours__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--dim);
  max-width: 60ch;
}

.page-contact .c-hours__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
}

.page-contact .c-hours__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--text);
}

.page-contact .c-hours__t {
  min-width: 118px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

/* 合作共建 */
.page-contact .c-partner-grid {
  margin-top: 22px;
}

.page-contact .c-partner {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 14, 36, 0.42);
  padding: 16px 18px;
}

.page-contact .c-partner h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-partner p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
}

.page-contact .c-partner__tip {
  max-width: 72ch;
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dim);
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-contact .c-partner__tip .mono {
  color: var(--gold);
  overflow-wrap: anywhere;
}

/* 准备清单 */
.page-contact .c-check {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-contact .c-check__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raise-2);
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.page-contact .c-check__item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--raise);
}

.page-contact .c-check__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .c-check__name {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .c-check__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
}

/* 延伸路径 */
.page-contact .c-next__grid {
  display: grid;
  gap: 12px;
}

.page-contact .c-next__card {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raise-2);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-contact .c-next__card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: var(--raise);
}

.page-contact .c-next__card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .c-next__kicker {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--magenta);
}

.page-contact .c-next__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-next__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-contact .c-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .c-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    grid-template-areas:
      "lead plate"
      "picker plate";
    gap: 30px 38px;
    align-items: start;
  }

  .page-contact .c-hero__lead {
    grid-area: lead;
  }

  .page-contact .c-plate {
    grid-area: plate;
    align-self: stretch;
  }

  .page-contact .c-picker {
    grid-area: picker;
  }

  .page-contact .c-hours {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-contact .c-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 桌面：粘性索引条 + 错落正文 ---------- */
@media (min-width: 1040px) {
  .page-contact .c-body {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: 48px;
  }

  .page-contact .c-rail {
    grid-column: 1;
    grid-row: 1 / 99;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .c-rail .rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-contact .c-rail .rail__link {
    width: 100%;
    border-left: 2px solid var(--line);
    padding: 8px 0 8px 12px;
  }

  .page-contact .c-sec {
    grid-column: 2;
  }

  .page-contact .c-sec__panel {
    padding: clamp(26px, 3vw, 38px);
  }

  .page-contact .c-check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .c-check__item:first-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-pick,
  .page-contact .c-check__item,
  .page-contact .c-next__card {
    transition: none;
  }
}