.page-contact {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
}
.page-contact .breadcrumbs a {
  color: var(--paper-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--mute);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  padding: 18px 0 clamp(34px, 6vw, 70px);
}
.page-contact .hero__grid {
  display: grid;
  gap: 30px;
}
.page-contact .hero__copy {
  min-width: 0;
}
.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}
.page-contact .hero__title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.05rem, 8vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -.02em;
}
.page-contact .hero__title em {
  font-style: normal;
  color: var(--teal);
}
.page-contact .hero .lead {
  margin: 0;
  color: var(--paper-2);
}
.page-contact .hero .measure {
  max-width: 36em;
}
.page-contact .hero .data-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--hair-soft);
}
.page-contact .data-strip__item {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.page-contact .data-strip__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
}
.page-contact .data-strip__value {
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .02em;
}

/* ---------- 图片容器 ---------- */
.page-contact .figure {
  margin: 0;
}
.page-contact .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}
.page-contact .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mute);
}
.page-contact .hero__figure .figure__frame {
  border: 1px solid var(--hair);
}
.page-contact .lanes__figure .figure__frame {
  border: 1px solid var(--hair);
}

/* ---------- 章节容器 ---------- */
.page-contact .band {
  padding: clamp(36px, 6vw, 74px) 0;
  border-top: 1px solid var(--hair-soft);
}
.page-contact .band--panel {
  background: var(--panel);
}
.page-contact .band--paper {
  background: var(--paper);
  color: var(--coal);
}
.page-contact .band--foot {
  background: var(--coal);
}
.page-contact .band__head {
  max-width: 60ch;
}
.page-contact .band__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .band__head .measure {
  margin: 0;
  color: var(--paper-2);
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .band--paper .band__head h2 {
  color: var(--coal);
}
.page-contact .band--paper .band__head .measure {
  color: #3A4A44;
}
.page-contact .band--paper .spec-tag {
  color: #3A4A44;
  border-color: var(--hair-dark);
}

/* ---------- 三条通道 ---------- */
.page-contact .lanes-wrap {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}
.page-contact .lanes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .lane {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 22px;
  background: var(--ink);
  border-left: 3px solid var(--orange);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: transform .16s ease, background .16s ease;
}
.page-contact .lane:hover,
.page-contact .lane:focus-within {
  transform: translateY(-3px);
  background: var(--panel-lift);
}
.page-contact .lane__num {
  font-size: 20px;
  line-height: 1.1;
  color: var(--teal);
  letter-spacing: .04em;
}
.page-contact .lane__body {
  min-width: 0;
}
.page-contact .lane__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-contact .lane__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-2);
}
.page-contact .lane__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.page-contact .lane__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mute);
}
.page-contact .lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 1px;
  background: var(--teal);
}
.page-contact .lane__value {
  margin: 12px 0 0;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--lime);
  word-break: break-all;
}
.page-contact .lane__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
  background: transparent;
  border: 1px solid rgba(255, 106, 43, .55);
  cursor: pointer;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.page-contact .copy-btn:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--coal);
}

/* ---------- 问题分流 ---------- */
.page-contact .route-map {
  margin-top: 26px;
  display: grid;
  gap: 10px;
}
.page-contact .route-map__head {
  display: none;
}
.page-contact .route-map__row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 2px solid var(--teal);
}
.page-contact .route-map__cell {
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper-2);
}
.page-contact .route-map__cell--type {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--paper);
}

/* ---------- 回复时间 ---------- */
.page-contact .reply {
  display: grid;
  gap: 26px;
}
.page-contact .reply__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.14;
  color: var(--coal);
}
.page-contact .reply__head .measure {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #3A4A44;
}
.page-contact .reply__list {
  display: grid;
  gap: 16px;
}
.page-contact .reply__item {
  padding: 16px 0 0;
  border-top: 2px solid var(--coal);
}
.page-contact .reply__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--coal);
}
.page-contact .reply__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #33433D;
}

/* ---------- 联系方式分屏 ---------- */
.page-contact .desk {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}
.page-contact .desk__cards {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .info-card {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 16px 18px 18px;
  background: var(--panel);
  border-left: 3px solid var(--orange);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform .16s ease;
}
.page-contact .info-card:hover {
  transform: translateY(-2px);
}
.page-contact .info-card--quiet {
  border-left-color: var(--teal);
}
.page-contact .info-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
}
.page-contact .info-card__value {
  margin: 0;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--paper);
  word-break: break-all;
}
.page-contact .desk__note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 表单外观 ---------- */
.page-contact .sheet {
  padding: 22px 20px 26px;
  background: var(--paper);
  color: var(--coal);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}
.page-contact .sheet__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .01em;
  color: var(--coal);
}
.page-contact .sheet__intro {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #3A4A44;
}
.page-contact .field {
  margin-bottom: 16px;
}
.page-contact .field__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: #33433D;
}
.page-contact .field__input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--coal);
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--hair-dark);
  border-radius: 0;
  transition: border-color .16s ease, background .16s ease;
}
.page-contact .field__input::placeholder {
  color: #7B8C85;
}
.page-contact .field__input:focus {
  outline: none;
  border-color: var(--coal);
  background: #fff;
}
.page-contact .field__input:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}
.page-contact .field__note {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: #5B6B64;
}
.page-contact .field__err {
  display: none;
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--heat);
  font-weight: 600;
}
.page-contact .field__input:invalid:not(:placeholder-shown) {
  border-color: var(--heat);
  background: rgba(229, 72, 77, .07);
}
.page-contact .field__input:invalid:not(:placeholder-shown) ~ .field__note {
  display: none;
}
.page-contact .field__input:invalid:not(:placeholder-shown) ~ .field__err {
  display: block;
}
.page-contact .sheet__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--hair-dark);
}
.page-contact .sheet .btn--ghost {
  color: var(--coal);
  border-color: var(--hair-dark);
}
.page-contact .sheet .btn--ghost:hover {
  border-color: var(--coal);
  background: rgba(16, 22, 20, .06);
}

/* ---------- 更正与合作 ---------- */
.page-contact .fixes {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}
.page-contact .fix {
  padding: 18px 20px;
  background: var(--ink);
  border-top: 2px solid var(--lime);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.page-contact .fix h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}
.page-contact .fix p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-2);
}
.page-contact .fixes__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--teal);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 地址与索引 ---------- */
.page-contact .where {
  display: grid;
  gap: 22px;
}
.page-contact .where__main h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  color: var(--paper);
}
.page-contact .where__addr {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--paper);
}
.page-contact .where__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mute);
  word-break: break-all;
}
.page-contact .where__side {
  padding-top: 18px;
  border-top: 1px solid var(--hair-soft);
}
.page-contact .where__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
}
.page-contact .where__icp {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--paper-2);
}
.page-contact .next {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--hair-soft);
}
.page-contact .next__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}
.page-contact .next__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}
.page-contact .next__list a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--paper-2);
  text-decoration: none;
  border: 1px solid var(--hair-soft);
  transition: color .16s ease, border-color .16s ease, background .16s ease;
}
.page-contact .next__list a:hover {
  color: var(--lime-ink);
  background: var(--lime);
  border-color: var(--lime);
}
.page-contact .next__list a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .hero .data-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .reply__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 44px;
  }
  .page-contact .lanes-wrap {
    grid-template-columns: 6fr 4fr;
    align-items: start;
    gap: 32px;
  }
  .page-contact .reply {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }
  .page-contact .desk {
    grid-template-columns: 5fr 7fr;
    gap: 34px;
    align-items: start;
  }
  .page-contact .fixes {
    grid-template-columns: 5fr 4fr 4fr;
    align-items: start;
  }
  .page-contact .where {
    grid-template-columns: 7fr 4fr;
    gap: 36px;
    align-items: end;
  }
  .page-contact .where__side {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--hair-soft);
    padding-left: 22px;
  }
}

@media (min-width: 820px) {
  .page-contact .route-map {
    gap: 0;
    border-top: 1px solid var(--hair-soft);
  }
  .page-contact .route-map__head,
  .page-contact .route-map__row {
    display: grid;
    grid-template-columns: 1.05fr 1.25fr 1.4fr;
    gap: 22px;
    align-items: baseline;
  }
  .page-contact .route-map__head {
    padding: 10px 0;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
    color: var(--mute);
    border-bottom: 1px solid var(--hair-soft);
  }
  .page-contact .route-map__row {
    padding: 16px 0;
    background: transparent;
    border-left: 0;
    border-bottom: 1px solid var(--hair-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .lane,
  .page-contact .info-card,
  .page-contact .copy-btn,
  .page-contact .next__list a {
    transition: none;
  }
  .page-contact .lane:hover,
  .page-contact .lane:focus-within,
  .page-contact .info-card:hover {
    transform: none;
  }
}