/* ===== 联系我们 · 页面专属样式（作用域：.page-contact） ===== */
.page-contact {
  --ct-line: 1px solid var(--gray-200);
  --ct-dark-line: 1px solid var(--line-500);
  background: var(--snow);
  color: var(--ink-900);
}

.page-contact .section {
  padding-block: clamp(44px, 8vw, 88px);
}

/* ---------- 首屏声明带 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(22px, 5vw, 42px) clamp(40px, 7vw, 78px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(20px, 4vw, 34px);
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }
}

.page-contact .contact-hero__lead h1 {
  margin: 12px 0 0;
}

.page-contact .contact-hero__lead h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 100%);
}

.page-contact .contact-hero__lead .type-lead {
  margin: 22px 0 0;
  max-width: 33em;
  color: var(--ink-900);
}

/* 回复时段刻度带 */
.page-contact .contact-meter {
  padding: 18px 20px 16px;
  background: var(--frost);
  border: var(--ct-line);
  border-left: 3px solid var(--red);
}

.page-contact .contact-meter__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.page-contact .contact-meter__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gray-500);
}

.page-contact .contact-meter__value {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .contact-meter__track {
  position: relative;
  height: 30px;
  margin-top: 16px;
  border-bottom: 1px solid var(--gray-200);
  background-image: linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
  background-size: 25% 100%;
  background-repeat: repeat-x;
}

.page-contact .contact-meter__band {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 9px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 100%);
}

.page-contact .contact-meter__marks {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-500);
}

.page-contact .contact-meter__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--gray-500);
}

/* ---------- 渠道卡组（暗区） ---------- */
.page-contact .contact-channels {
  position: relative;
  overflow: hidden;
  padding-block: clamp(52px, 9vw, 104px);
  background: var(--ink-900);
  color: var(--snow);
}

.page-contact .contact-channels__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-channels__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
}

.page-contact .contact-channels__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 16, .93) 0%, rgba(11, 11, 16, .62) 42%, rgba(11, 11, 16, .96) 100%);
}

.page-contact .contact-channels__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-sec-head {
  max-width: 62ch;
}

.page-contact .contact-sec-head .type-section {
  margin: 10px 0 0;
}

.page-contact .contact-sec-head .type-lead {
  margin: 16px 0 0;
  max-width: 40em;
}

.page-contact .contact-sec-head--dark .type-section {
  color: var(--snow);
}

.page-contact .contact-sec-head--dark .type-lead {
  color: rgba(243, 245, 248, .78);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(28px, 5vw, 48px);
}

@media (min-width: 840px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 22px;
  background: var(--ink-700);
  border: var(--ct-dark-line);
  transition: border-color .4s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 100%);
  transition: width .45s var(--ease);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: rgba(229, 23, 58, .55);
}

.page-contact .contact-card:hover::before,
.page-contact .contact-card:focus-within::before {
  width: 100%;
}

.page-contact .contact-card:focus-visible {
  outline: none;
}

.page-contact .contact-card:focus-visible::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 2px var(--blue);
  pointer-events: none;
}

.page-contact .contact-card__idx {
  align-self: flex-start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--red);
  border: 1px solid rgba(229, 23, 58, .45);
}

.page-contact .contact-card__title {
  margin: 20px 0 0;
  font-size: 22px;
  font-weight: 800;
  color: var(--snow);
}

.page-contact .contact-card__value {
  margin: 12px 0 0;
  padding-bottom: 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.2vw, 19px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--snow);
  overflow-wrap: anywhere;
  border-bottom: 1px dashed var(--line-500);
}

.page-contact .contact-card__meta {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.page-contact .contact-card__meta > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.65;
}

.page-contact .contact-card__meta dt {
  color: rgba(243, 245, 248, .58);
}

.page-contact .contact-card__meta dd {
  margin: 0;
  color: var(--frost);
}

.page-contact .contact-card__reveal {
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 245, 248, .78);
  border-top: 0 solid var(--line-500);
  transition: max-height .45s var(--ease), opacity .35s var(--ease),
              margin-top .45s var(--ease), padding-top .45s var(--ease),
              border-top-width .45s var(--ease);
}

.page-contact .contact-card:hover .contact-card__reveal,
.page-contact .contact-card:focus-within .contact-card__reveal {
  max-height: 220px;
  opacity: 1;
  margin-top: 18px;
  padding-top: 16px;
  border-top-width: 1px;
}

@media (hover: none) {
  .page-contact .contact-card__reveal {
    max-height: none;
    opacity: 1;
    margin-top: 18px;
    padding-top: 16px;
    border-top-width: 1px;
  }
}

/* ---------- 处理范围 ---------- */
.page-contact .contact-scope {
  background: var(--snow);
}

.page-contact .contact-scope__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: clamp(26px, 5vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .contact-scope__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(36px, 6vw, 80px);
  }
}

.page-contact .contact-scope__h {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 20px;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-contact .contact-scope__n {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--red);
}

.page-contact .contact-scope__col--out .contact-scope__n {
  color: var(--blue);
}

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

.page-contact .contact-scope__list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .contact-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 12px;
  height: 2px;
  background: var(--red);
}

.page-contact .contact-scope__list--soft li::before {
  background: var(--gray-200);
}

.page-contact .contact-scope__list a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 107, 255, .35);
}

.page-contact .contact-scope__list a:hover,
.page-contact .contact-scope__list a:focus-visible {
  border-bottom-color: var(--blue);
}

/* ---------- 反馈信息清单 ---------- */
.page-contact .contact-report {
  background: var(--frost);
}

.page-contact .contact-report__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: clamp(26px, 5vw, 44px);
}

@media (min-width: 940px) {
  .page-contact .contact-report__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(36px, 6vw, 72px);
    align-items: start;
  }
}

.page-contact .contact-checklist {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--gray-200);
}

.page-contact .contact-checklist__item:first-child {
  border-top: 1px solid var(--gray-200);
}

.page-contact .contact-checklist__box {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  background: var(--snow);
  border: 1px solid var(--gray-500);
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-contact .contact-checklist__item:hover .contact-checklist__box {
  border-color: var(--blue);
  background: rgba(43, 107, 255, .08);
}

.page-contact .contact-checklist__label {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .contact-checklist__desc {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray-500);
}

.page-contact .contact-report__media {
  margin: 0;
  line-height: 0;
}

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

/* ---------- 地址与备案 ---------- */
.page-contact .contact-entity {
  background: var(--snow);
}

.page-contact .contact-entity__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-contact .contact-entity__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(36px, 6vw, 80px);
    align-items: start;
  }
}

.page-contact .contact-entity__head .type-section {
  margin: 10px 0 0;
}

.page-contact .contact-entity__head .type-meta {
  margin: 16px 0 0;
  max-width: 34em;
  line-height: 1.78;
  color: var(--gray-500);
}

.page-contact .contact-entity__list {
  margin: 0;
  border-top: var(--ct-line);
}

.page-contact .contact-entity__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: var(--ct-line);
}

@media (min-width: 560px) {
  .page-contact .contact-entity__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-contact .contact-entity__row dt {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--gray-500);
}

.page-contact .contact-entity__row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

/* ---------- 常见误解（暗区折叠） ---------- */
.page-contact .contact-myth {
  background: var(--ink-900);
  color: var(--snow);
}

.page-contact .contact-myth__list {
  margin-top: clamp(26px, 5vw, 44px);
  border-top: var(--ct-dark-line);
}

.page-contact .contact-myth__item {
  border-bottom: var(--ct-dark-line);
}

.page-contact .contact-myth__summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  color: var(--snow);
  transition: color .3s var(--ease);
}

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

.page-contact .contact-myth__summary::marker {
  content: "";
}

.page-contact .contact-myth__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--red);
}

.page-contact .contact-myth__item[open] .contact-myth__summary::after {
  content: "–";
}

.page-contact .contact-myth__summary:hover,
.page-contact .contact-myth__summary:focus-visible {
  color: var(--red);
}

.page-contact .contact-myth__n {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .contact-myth__body {
  margin: 0;
  padding: 0 0 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 245, 248, .78);
}

/* ---------- 收束带 ---------- */
.page-contact .contact-close {
  padding-block: clamp(40px, 7vw, 76px);
  background: var(--snow);
}

.page-contact .contact-close__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--frost);
  border: var(--ct-line);
  border-left: 4px solid var(--red);
}

.page-contact .contact-close__text {
  flex: 1 1 320px;
  margin: 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: var(--ink-900);
}

/* ---------- 降级与响应式收尾 ---------- */
@media (max-width: 420px) {
  .page-contact .contact-card__meta > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-contact .contact-meter__marks {
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card::before,
  .page-contact .contact-card__reveal,
  .page-contact .contact-checklist__box,
  .page-contact .contact-myth__summary {
    transition: none;
  }

  .page-contact .contact-card__reveal {
    max-height: none;
    opacity: 1;
    margin-top: 18px;
    padding-top: 16px;
    border-top-width: 1px;
  }
}
<<<END>>>