.page-contact {
  padding-bottom: 80px;
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(74, 155, 255, .10), transparent 62%),
    radial-gradient(880px 480px at -6% 26%, rgba(242, 193, 78, .07), transparent 66%);
}

/* ---------- 页首 ---------- */
.page-contact .breadcrumb {
  margin-top: 26px;
}

.page-contact .page-head {
  padding: 22px 0 0;
  max-width: 900px;
}

.page-contact .page-head .eyebrow {
  color: var(--amber);
  letter-spacing: .14em;
  font-size: 12.5px;
  font-weight: 700;
}

.page-contact .page-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 68px);
  line-height: 1.03;
  letter-spacing: -.02em;
  margin: 12px 0 0;
}

.page-contact .page-head .lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 通栏主图 ---------- */
.page-contact .contact-hero {
  width: min(100% - (2 * var(--gutter)), var(--maxw));
  margin: 34px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(158deg, #17332C, #0B1412 72%);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 主栏 + 右侧定位 ---------- */
.page-contact .contact-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .contact-anchor {
  order: -1;
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding: 26px 0 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-contact .contact-anchor::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-anchor__title {
  display: none;
}

.page-contact .contact-anchor .anchor-nav__link {
  flex: 0 0 auto;
  display: block;
  padding: 8px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line-soft);
  color: var(--mist);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-contact .contact-anchor .anchor-nav__link:hover {
  color: var(--paper-100);
  background: rgba(244, 239, 228, .05);
}

.page-contact .contact-anchor .anchor-nav__link.is-active {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(242, 193, 78, .08);
}

/* ---------- 章节 ---------- */
.page-contact .contact-section {
  margin-top: 62px;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-contact .contact-section .section__num {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--alert);
}

.page-contact .contact-section .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 36px);
  letter-spacing: -.02em;
  line-height: 1.14;
  margin: 8px 0 0;
}

.page-contact .contact-section .section__lede {
  max-width: 62ch;
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 三张联系方式卡 ---------- */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 20px;
  border-radius: var(--radius-md);
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid rgba(11, 20, 18, .08);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--paper-muted);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.34;
  letter-spacing: -.01em;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-contact .contact-card__desc {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-muted);
}

.page-contact .contact-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line-paper);
}

.page-contact .contact-card .badge {
  font-size: 11.5px;
  font-weight: 700;
}

.page-contact .contact-card .btn--copy {
  margin-left: auto;
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 9px 16px;
  border-radius: var(--pill);
  background: var(--ink-800);
  color: var(--paper-100);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  transition: background 160ms ease, transform 160ms ease;
}

.page-contact .contact-card .btn--copy:hover {
  background: var(--ink-900);
  transform: translateY(-1px);
}

.page-contact .contact-card .btn--copy:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ---------- 分类标签 ---------- */
.page-contact .contact-tabs {
  margin-top: 26px;
}

.page-contact .pill-tabs__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pill-tabs__btn {
  appearance: none;
  cursor: pointer;
  border: 1px solid var(--line-mid);
  background: transparent;
  color: var(--mist);
  border-radius: var(--pill);
  padding: 10px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.page-contact .pill-tabs__btn:hover {
  color: var(--paper-100);
  background: rgba(244, 239, 228, .05);
}

.page-contact .pill-tabs__btn[aria-selected="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}

.page-contact .pill-tabs__btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .contact-panel {
  margin-top: 22px;
  padding: 24px 22px;
  border-radius: var(--radius-md);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-panel[hidden] {
  display: none;
}

.page-contact .contact-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 25px);
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--paper-100);
}

.page-contact .contact-panel__lead {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .contact-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-list li {
  position: relative;
  padding-left: 21px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--paper-100);
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-contact .contact-aside {
  align-self: start;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(242, 193, 78, .07);
}

.page-contact .contact-aside__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-contact .contact-aside__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-100);
}

.page-contact .contact-aside__link {
  margin: 12px 0 0;
  font-size: 14px;
  font-weight: 700;
}

.page-contact .contact-aside__link a {
  color: var(--blue);
  text-decoration: none;
}

.page-contact .contact-aside__link a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应节奏 ---------- */
.page-contact .reply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .reply-card {
  padding: 22px 20px;
  border-radius: var(--radius-md);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--blue);
}

.page-contact .reply-card--alert {
  border-top-color: var(--alert);
}

.page-contact .reply-card__num {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(19px, 2.5vw, 25px);
  letter-spacing: -.01em;
  color: var(--blue);
}

.page-contact .reply-card--alert .reply-card__num {
  color: var(--alert);
}

.page-contact .reply-card__label {
  margin: 8px 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper-100);
}

.page-contact .reply-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-section .note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .flow-step {
  padding: 22px 20px 20px;
  border-radius: var(--radius-md);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--turf);
}

.page-contact .flow-step--blue {
  border-left-color: var(--blue);
}

.page-contact .flow-step--gold {
  border-left-color: var(--gold);
}

.page-contact .flow-step__num {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--turf);
}

.page-contact .flow-step--blue .flow-step__num {
  color: var(--blue);
}

.page-contact .flow-step--gold .flow-step__num {
  color: var(--gold);
}

.page-contact .flow-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper-100);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 备案与归属 ---------- */
.page-contact .filing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .filing-card {
  padding: 24px 22px;
  border-radius: var(--radius-md);
  background: var(--paper-100);
  color: var(--paper-ink);
  box-shadow: var(--shadow-soft);
}

.page-contact .filing-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .filing-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-paper);
}

.page-contact .filing-row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-contact .filing-row dt {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper-muted);
}

.page-contact .filing-row dd {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-contact .filing-card .note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--paper-muted);
}

.page-contact .filing-media {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(152deg, #17332C, #0B1412 76%);
}

.page-contact .filing-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 尾部延伸 ---------- */
.page-contact .contact-followup {
  display: grid;
  gap: 10px;
  margin-top: 46px;
  padding: 22px 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(74, 155, 255, .28);
  background: rgba(74, 155, 255, .06);
}

.page-contact .contact-followup p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .contact-followup a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
}

.page-contact .contact-followup a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-section {
    margin-top: 78px;
  }

  .page-contact .reply-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .filing-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-contact .contact-panel {
    padding: 30px 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .contact-panel__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-contact .filing-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .filing-media img {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, 1fr) 178px;
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-anchor {
    order: 0;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    overflow: visible;
    padding: 0;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-anchor__title {
    display: block;
    margin: 0 0 10px 14px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--mist);
  }

  .page-contact .contact-anchor .anchor-nav__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 8px 10px 8px 14px;
    white-space: normal;
    line-height: 1.45;
    background: transparent;
  }

  .page-contact .contact-anchor .anchor-nav__link.is-active {
    background: rgba(242, 193, 78, .07);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card .btn--copy,
  .page-contact .pill-tabs__btn,
  .page-contact .contact-anchor .anchor-nav__link {
    transition: none;
  }

  .page-contact .contact-card .btn--copy:hover {
    transform: none;
  }
}