.page-contact {
  --fb-soft: rgba(230, 238, 241, .78);
  --fb-soft-dark: rgba(11, 59, 79, .76);
  background: var(--deep);
  color: var(--mist);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible,
.page-contact input:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 面包屑 ---------- */
.page-contact .fb-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: rgba(230, 238, 241, .58);
}

.page-contact .fb-crumb a {
  color: rgba(230, 238, 241, .58);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-contact .fb-crumb a:hover {
  color: var(--sand);
}

.page-contact .fb-crumb .crumb__sep {
  color: rgba(230, 238, 241, .28);
}

.page-contact .fb-crumb .crumb__current {
  color: var(--sand);
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  padding: 34px 0 74px;
  background:
    radial-gradient(120% 96% at 88% -6%, rgba(20, 86, 110, .72) 0%, rgba(11, 59, 79, 0) 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--deep) 62%);
}

.page-contact .fb-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .fb-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.18;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .fb-hero__body {
  max-width: 62ch;
}

.page-contact .lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17.5px;
  line-height: 1.92;
  color: var(--fb-soft);
}

.page-contact .fb-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .fb-quick li {
  padding: 7px 15px;
  border: 1px solid rgba(232, 192, 122, .4);
  border-radius: var(--r-pill);
  background: rgba(232, 192, 122, .08);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 900px) {
  .page-contact .fb-hero {
    padding: 44px 0 96px;
  }

  .page-contact .fb-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .fb-hero__title {
    margin-top: 22px;
  }
}

/* ---------- 通用小标题组 ---------- */
.page-contact .fb-head {
  max-width: 62ch;
}

.page-contact .fb-head h2 {
  margin: 14px 0 12px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.3;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-contact .fb-head__note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--fb-soft);
}

.page-contact .fb-sub {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--fb-soft-dark);
}

.page-contact .section--mist .fb-head h2,
.page-contact .section--paper .fb-head h2 {
  color: var(--deep);
}

.page-contact .section--mist .fb-head__note,
.page-contact .section--paper .fb-head__note {
  color: var(--fb-soft-dark);
}

.page-contact .section--mist .eyebrow,
.page-contact .section--paper .eyebrow {
  color: var(--clay);
}

.page-contact .section--mist,
.page-contact .section--paper {
  color: var(--deep);
}

/* ---------- 四类工单选择器 ---------- */
.page-contact .fb-pick {
  padding: 60px 0 62px;
  background: var(--tide);
}

.page-contact .pick {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .pick__item {
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: rgba(6, 35, 47, .34);
  overflow: hidden;
  transition: background .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .pick__item:hover {
  transform: translateY(-2px);
  background: rgba(6, 35, 47, .5);
}

.page-contact .pick__item[open] {
  background: rgba(6, 35, 47, .62);
  box-shadow: var(--lift);
}

.page-contact .pick__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .05em;
  color: var(--mist);
}

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

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

.page-contact .pick__btn::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--sand);
  transition: transform .24s var(--ease), color .24s var(--ease);
}

.page-contact .pick__item[open] .pick__btn::after {
  content: "\2212";
  color: var(--coral);
}

.page-contact .pick__icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: var(--r-pill);
  background: rgba(255, 107, 74, .16);
  color: var(--coral);
  transition: background .24s var(--ease);
}

.page-contact .pick__item[open] .pick__icon {
  background: rgba(255, 107, 74, .28);
}

.page-contact .pick__panel {
  padding: 0 20px 20px 66px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(230, 238, 241, .8);
}

.page-contact .pick__panel p {
  margin: 0 0 10px;
}

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

.page-contact .pick__ex {
  padding-left: 12px;
  border-left: 2px solid rgba(232, 192, 122, .5);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--sand);
}

@media (min-width: 780px) {
  .page-contact .pick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .page-contact .pick__panel {
    padding-left: 20px;
  }
}

/* ---------- 提交前准备 ---------- */
.page-contact .fb-prep {
  padding: 64px 0 68px;
  background: var(--mist);
}

.page-contact .prep__list {
  counter-reset: prep;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep__item {
  counter-increment: prep;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--hairline-dark);
}

.page-contact .prep__item:last-child {
  border-bottom: 1px solid var(--hairline-dark);
}

.page-contact .prep__item::before {
  content: "0" counter(prep);
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-contact .prep__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .05em;
  color: var(--deep);
}

.page-contact .prep__item p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.88;
  color: rgba(11, 59, 79, .84);
}

.page-contact .prep__item .mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

/* ---------- 工单流程 ---------- */
.page-contact .fb-flow {
  padding: 66px 0 72px;
}

.page-contact .flow {
  position: relative;
  margin-top: 36px;
  padding: 40px 22px 34px;
  border-radius: var(--r-lg);
  background: var(--ink);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .flow__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-contact .flow::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(6, 35, 47, .82) 0%, rgba(11, 59, 79, .94) 100%);
}

.page-contact .flow__list,
.page-contact .flow__stats {
  position: relative;
  z-index: 2;
}

.page-contact .flow__list {
  display: grid;
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow__step {
  position: relative;
  padding-top: 24px;
  border-top: 2px solid rgba(232, 192, 122, .26);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sand);
  box-shadow: 0 0 0 5px rgba(232, 192, 122, .16);
}

.page-contact .flow__step:last-child::before {
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(255, 107, 74, .2);
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.page-contact .flow__step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .flow__step p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(230, 238, 241, .78);
}

.page-contact .flow__stats {
  display: grid;
  gap: 20px;
  margin: 34px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--hairline);
  list-style: none;
}

.page-contact .flow__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .flow__stat-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.page-contact .flow__stat-cap {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(230, 238, 241, .7);
}

@media (min-width: 860px) {
  .page-contact .flow {
    padding: 48px 40px 40px;
  }

  .page-contact .flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .flow__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 客服与联系方式 ---------- */
.page-contact .fb-contact {
  padding: 62px 0 66px;
  background: var(--paper);
}

.page-contact .fb-contact__grid {
  display: grid;
  gap: 34px;
}

.page-contact .fb-contact h2 {
  margin: 14px 0 12px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 32px);
  line-height: 1.3;
  letter-spacing: .05em;
  color: var(--deep);
}

.page-contact .fb-contact__list {
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--hairline-dark);
}

.page-contact .fb-contact__row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-dark);
}

.page-contact .fb-contact__row dt {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-contact .fb-contact__row dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .fb-contact__row dd.mono {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

.page-contact .fb-contact__note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 3px solid rgba(169, 98, 74, .45);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .fb-contact__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 16px 34px rgba(11, 59, 79, .16);
}

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

@media (min-width: 640px) {
  .page-contact .fb-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 920px) {
  .page-contact .fb-contact__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: center;
  }
}

/* ---------- 设置清单 ---------- */
.page-contact .fb-setup {
  padding: 76px 0 88px;
}

.page-contact .setup {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .setup__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: rgba(6, 35, 47, .42);
  transition: border-color .24s var(--ease), background .24s var(--ease), transform .24s var(--ease);
}

.page-contact .setup__item:hover {
  transform: translateX(4px);
}

.page-contact .setup__box {
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 1.6px solid rgba(230, 238, 241, .42);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .setup__box::after {
  content: "";
  width: 10px;
  height: 6px;
  margin-top: -3px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg) scale(0);
  transition: transform .2s var(--ease);
}

.page-contact .setup__box:checked {
  background: var(--moss);
  border-color: var(--moss);
}

.page-contact .setup__box:checked::after {
  transform: rotate(-45deg) scale(1);
}

.page-contact .setup__item:has(.setup__box:checked) {
  border-color: rgba(110, 139, 106, .62);
  background: rgba(110, 139, 106, .14);
}

.page-contact .setup__body h3 {
  margin: 0 0 7px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: .08em;
  color: var(--sand);
}

.page-contact .setup__body h3 label {
  cursor: pointer;
}

.page-contact .setup__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--fb-soft);
}

@media (min-width: 840px) {
  .page-contact .setup {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
  }
}

/* ---------- 延伸路径 ---------- */
.page-contact .fb-next {
  padding: 48px 0 76px;
  background: var(--tide);
}

.page-contact .fb-next__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 27px);
  letter-spacing: .05em;
  color: var(--mist);
}

.page-contact .fb-next .fb-sub {
  color: var(--fb-soft);
}

.page-contact .fb-next__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .fb-next__list .pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid rgba(232, 192, 122, .38);
  border-radius: var(--r-pill);
  background: rgba(232, 192, 122, .12);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--mist);
  text-decoration: none;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .fb-next__list .pill:hover,
.page-contact .fb-next__list .pill:focus-visible {
  transform: translateX(4px);
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(255, 107, 74, .28);
}