.page-contact {
  --fb-sticky: 92px;
  --fb-rule: rgba(244, 239, 230, 0.1);
  --fb-rule-strong: rgba(198, 161, 91, 0.34);
  --fb-dash: rgba(244, 239, 230, 0.14);
  background: var(--df-ink-900);
  color: var(--df-ivory-050);
  font-family: var(--df-font-cn);
}

.page-contact .fb-hero {
  position: relative;
  background: linear-gradient(180deg, var(--df-ink-800) 0%, var(--df-ink-900) 100%);
  border-bottom: 1px solid var(--fb-rule);
}

.page-contact .fb-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 140px;
  height: 2px;
  background: linear-gradient(90deg, var(--df-gold-500), rgba(198, 161, 91, 0));
}

.page-contact .fb-hero__inner {
  padding-top: 40px;
  padding-bottom: 44px;
}

.page-contact .fb-hero h1 {
  margin: 10px 0 16px;
  max-width: 20ch;
  font-size: clamp(28px, 6.2vw, 60px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .fb-hero .df-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--df-ivory-mute);
}

.page-contact .fb-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .fb-facts li {
  position: relative;
  padding-left: 15px;
  font-family: var(--df-font-num);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--df-gray-500);
}

.page-contact .fb-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--df-gold-500);
  transform: rotate(45deg);
}

.page-contact .fb-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 36px;
  padding-bottom: 64px;
}

.page-contact .fb-block {
  padding-bottom: 36px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--fb-rule);
}

.page-contact .fb-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-contact .fb-block h2 {
  margin: 8px 0 14px;
  font-size: clamp(21px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .fb-block__lede,
.page-contact .fb-block > p {
  max-width: 68ch;
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--df-ivory-mute);
}

/* 渠道分工表 */
.page-contact .fb-table {
  margin-top: 20px;
  border-top: 1px solid var(--fb-rule-strong);
}

.page-contact .fb-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--fb-rule);
  transition: background-color 220ms var(--df-ease);
}

.page-contact .fb-row--head {
  display: none;
}

.page-contact .fb-row__key {
  font-family: var(--df-font-num);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--df-gold-500);
  transition: color 180ms var(--df-ease);
}

.page-contact .fb-row__val {
  font-family: var(--df-font-num);
  font-size: 15px;
  line-height: 1.6;
  color: var(--df-ivory-050);
  word-break: break-word;
}

.page-contact .fb-row__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--df-ivory-mute);
}

.page-contact .fb-row__time {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--df-gray-500);
}

.page-contact .fb-row:hover .fb-row__key {
  color: var(--df-amber-400);
}

/* 纠错步骤 */
.page-contact .df-accordion {
  margin-top: 18px;
  border-top: 1px solid var(--fb-rule);
}

.page-contact .df-accordion__item {
  border-bottom: 1px solid var(--fb-rule);
}

.page-contact .df-accordion__item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--df-ivory-050);
  cursor: pointer;
  list-style: none;
}

.page-contact .df-accordion__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .df-accordion__item summary::after {
  content: "＋";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--df-font-num);
  font-size: 13px;
  color: var(--df-metal-300);
}

.page-contact .df-accordion__item[open] summary::after {
  content: "－";
  color: var(--df-amber-400);
}

.page-contact .df-accordion__num {
  font-family: var(--df-font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--df-gold-500);
}

.page-contact .df-accordion__item[open] .df-accordion__num {
  color: var(--df-amber-400);
}

.page-contact .df-accordion__body {
  padding: 0 0 18px 36px;
}

.page-contact .df-accordion__body p {
  max-width: 62ch;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--df-ivory-mute);
}

/* 图片 */
.page-contact .fb-figure {
  margin: 24px 0 0;
}

.page-contact .fb-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--fb-rule);
  background: var(--df-ink-800);
  object-fit: cover;
}

.page-contact .fb-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--df-metal-300);
}

/* 行式列表 */
.page-contact .fb-rows {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fb-rule);
}

.page-contact .fb-rows__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--fb-rule);
  color: inherit;
  text-decoration: none;
  transition: background-color 220ms var(--df-ease);
}

.page-contact .fb-rows__num {
  padding-top: 3px;
  font-family: var(--df-font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--df-gold-500);
  transition: color 180ms var(--df-ease);
}

.page-contact .fb-rows__body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-contact .fb-rows__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--df-ivory-050);
  transition: color 180ms var(--df-ease);
}

.page-contact .fb-rows__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--df-ivory-mute);
}

.page-contact a.fb-rows__item:hover .fb-rows__num {
  color: var(--df-amber-400);
}

.page-contact a.fb-rows__item:hover .fb-rows__title {
  color: var(--df-amber-400);
}

.page-contact a.fb-rows__item:hover {
  background: rgba(198, 161, 91, 0.05);
}

/* 属地铭牌 */
.page-contact .fb-plate {
  display: grid;
  gap: 0;
  margin-top: 20px;
  padding: 6px 20px;
  background: var(--df-brown-850);
  border: 1px solid var(--fb-rule-strong);
}

.page-contact .fb-plate__item {
  padding: 14px 0;
  border-bottom: 1px dashed var(--fb-dash);
}

.page-contact .fb-plate__item:last-child {
  border-bottom: 0;
}

.page-contact .fb-plate__val {
  display: block;
  font-family: var(--df-font-num);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--df-ivory-050);
  word-break: break-word;
}

/* 侧栏 */
.page-contact .fb-aside__sticky {
  display: grid;
  gap: 18px;
}

.page-contact .fb-card {
  padding: 22px 20px;
  background: var(--df-brown-850);
  border: 1px solid var(--fb-rule-strong);
  box-shadow: var(--df-shadow-1);
}

.page-contact .fb-card__title {
  margin: 6px 0 10px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .fb-card__item {
  padding: 13px 0;
  border-bottom: 1px dashed var(--fb-dash);
}

.page-contact .fb-card__item:last-of-type {
  border-bottom: 0;
}

.page-contact .fb-card__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--df-font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--df-metal-300);
}

.page-contact .fb-card__val {
  display: block;
  font-family: var(--df-font-num);
  font-size: 14px;
  line-height: 1.65;
  color: var(--df-ivory-050);
  word-break: break-word;
}

.page-contact .fb-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .fb-actions {
  display: grid;
  gap: 10px;
}

.page-contact .fb-actions .df-btn {
  justify-content: center;
  text-align: center;
}

@media (hover: hover) {
  .page-contact .fb-row:hover {
    background: rgba(198, 161, 91, 0.04);
  }
}

@media (min-width: 768px) {
  .page-contact .fb-row {
    grid-template-columns: 104px minmax(0, 208px) minmax(0, 1fr) 156px;
    gap: 18px;
    align-items: start;
    padding: 18px 0;
  }

  .page-contact .fb-row--head {
    display: grid;
    padding: 10px 0;
    font-family: var(--df-font-num);
    font-size: 11.5px;
    letter-spacing: 0.16em;
    color: var(--df-metal-300);
    border-bottom: 1px solid var(--fb-rule-strong);
  }

  .page-contact .fb-plate {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-contact .fb-plate__item {
    border-bottom: 0;
    border-right: 1px dashed var(--fb-dash);
    padding-right: 24px;
  }

  .page-contact .fb-plate__item:last-child {
    border-right: 0;
    padding-right: 0;
  }

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

@media (min-width: 1024px) {
  .page-contact .fb-hero__inner {
    padding-top: 64px;
    padding-bottom: 60px;
  }

  .page-contact .fb-layout {
    grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-contact .fb-block {
    padding-bottom: 48px;
    margin-bottom: 48px;
  }

  .page-contact .fb-aside__sticky {
    position: sticky;
    top: var(--fb-sticky);
  }

  .page-contact .fb-actions {
    grid-template-columns: minmax(0, 1fr);
  }
}