.page-contact {
  --ct-gap: clamp(20px, 3.4vw, 44px);
  --ct-ink-line: rgba(47, 74, 110, 0.22);
  --ct-paper-soft: rgba(247, 243, 234, 0.78);
  background: var(--paper-100);
  color: var(--ink-900);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(36px, 6vw, 76px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -6%;
  right: -16%;
  width: min(74%, 760px);
  height: 82%;
  background: var(--paper-200);
  border-radius: 0 0 0 80px;
  transform: skewY(-7deg);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.1rem, 7vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--ink-900);
}

.page-contact .contact-hero__lead {
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--ink-500);
  max-width: 34em;
  margin: 18px 0 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-top: 26px;
}

.page-contact .contact-hero__fig {
  margin: 0;
}

.page-contact .media-frame__inner {
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 16 / 10;
}

.page-contact .media-frame--tall .media-frame__inner {
  aspect-ratio: 11 / 8;
}

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

.page-contact .media-frame__cap {
  font-family: var(--font-serif);
  font-size: 13.5px;
  color: var(--slate);
  margin-top: 10px;
}

/* ---------- 区块骨架 ---------- */
.page-contact .ct-block {
  padding: clamp(40px, 6vw, 78px) 0;
}

.page-contact .ct-block--paper {
  background: var(--paper-200);
}

.page-contact .section__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 8px 0 0;
}

.page-contact .section__lead {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-500);
  max-width: var(--measure);
  margin: 12px 0 0;
}

/* ---------- 通道卡 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 42px);
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--white);
  border: 1px solid var(--ct-ink-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--gold-500);
}

.page-contact .channel__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
  margin: 0;
}

.page-contact .channel__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0;
}

.page-contact .channel__body {
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-500);
  margin: 0;
}

.page-contact .channel__value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--gold-300);
}

.page-contact .channel__mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  word-break: break-all;
  color: var(--ink-700);
}

.page-contact .channel__hint {
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
  margin: 0;
}

.page-contact .channel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: auto;
  padding-top: 6px;
}

.page-contact .channel--primary {
  background: var(--ink-700);
  border-color: var(--ink-700);
  color: var(--paper-100);
}

.page-contact .channel--primary .channel__num {
  color: var(--gold-300);
}

.page-contact .channel--primary .channel__body {
  color: var(--ct-paper-soft);
}

.page-contact .channel--primary .channel__mail {
  color: var(--paper-100);
}

.page-contact .channel--primary .channel__hint {
  color: rgba(247, 243, 234, 0.66);
}

.page-contact .channel--primary .channel__value {
  border-top-color: rgba(227, 196, 138, 0.45);
}

/* 复制按钮 */
.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border: 1px solid var(--gold-500);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-contact .copy-btn:hover {
  background: var(--gold-500);
  color: var(--ink-900);
}

.page-contact .copy-btn.is-copied {
  background: var(--verify);
  border-color: var(--verify);
  color: var(--white);
}

/* 悬停时补充一句适用提示 */
@media (hover: hover) and (min-width: 861px) {
  .page-contact .channel__hint {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 220ms ease, opacity 220ms ease;
  }

  .page-contact .channel:hover .channel__hint,
  .page-contact .channel:focus-within .channel__hint {
    max-height: 6em;
    opacity: 1;
  }
}

@media (min-width: 861px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel--primary {
    min-height: 340px;
  }

  .page-contact .channel:nth-child(2) {
    min-height: 296px;
  }

  .page-contact .channel:nth-child(3) {
    min-height: 252px;
  }
}

/* ---------- 准备清单 + 咨询分类 ---------- */
.page-contact .ct-desk {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-contact .ct-panel {
  background: var(--white);
  border: 1px solid var(--ct-ink-line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .ct-panel--plain {
  background: transparent;
  border-style: dashed;
}

.page-contact .ct-panel__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.page-contact .ct-panel__note {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--gold-300);
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .checklist__item {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--paper-100);
  border-left: 3px solid var(--gold-300);
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-contact .checklist__item:hover {
  border-left-color: var(--gold-500);
}

.page-contact .checklist__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .checklist__mark {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--white);
  border: 1.5px solid var(--ink-500);
  border-radius: 6px;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.page-contact .checklist__mark svg {
  width: 15px;
  height: 15px;
  stroke: var(--white);
  opacity: 0;
  transition: opacity 160ms ease;
}

.page-contact .checklist__box:checked ~ .checklist__mark {
  background: var(--verify);
  border-color: var(--verify);
}

.page-contact .checklist__box:checked ~ .checklist__mark svg {
  opacity: 1;
}

.page-contact .checklist__box:focus-visible ~ .checklist__mark {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-contact .checklist__text {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-500);
}

.page-contact .checklist__text strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ink-900);
  margin-bottom: 2px;
}

/* tabs */
.page-contact .tabs {
  display: block;
}

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

.page-contact .tabs__tab {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 15px;
  border: 1px solid var(--ink-500);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-700);
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.page-contact .tabs__tab:hover {
  border-color: var(--gold-500);
}

.page-contact .tabs__tab[aria-selected="true"] {
  background: var(--ink-700);
  border-color: var(--ink-700);
  color: var(--paper-100);
}

.page-contact .tabs__panel {
  margin-top: 16px;
  padding: 18px 18px 20px;
  background: var(--white);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-500);
}

.page-contact .tabs__panel p {
  margin: 0;
}

/* 服务时间条 */
.page-contact .ct-hours {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-900);
  border-radius: var(--radius);
  color: var(--paper-100);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .ct-hours__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0;
  color: var(--paper-100);
}

.page-contact .ct-hours__desc {
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.7);
  margin: 8px 0 0;
}

.page-contact .ct-hours__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .ct-hours__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.2vw, 1.9rem);
  letter-spacing: 0.02em;
  color: var(--gold-300);
  line-height: 1.2;
}

.page-contact .ct-hours__unit {
  font-size: 0.62em;
  margin-left: 4px;
}

.page-contact .ct-hours__label {
  display: block;
  font-family: var(--font-serif);
  font-size: 13.5px;
  color: rgba(247, 243, 234, 0.72);
  margin-top: 6px;
}

@media (min-width: 620px) {
  .page-contact .ct-hours__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .ct-desk {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .ct-hours {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: center;
  }
}

/* ---------- 合作共建 ---------- */
.page-contact .ct-partners {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: center;
}

.page-contact .ct-partners__points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-partners__points li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-500);
}

.page-contact .ct-partners__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
}

.page-contact .ct-partners__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-top: 26px;
}

.page-contact .ct-partners__fig {
  margin: 0;
}

@media (min-width: 940px) {
  .page-contact .ct-partners {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 底部信息条 ---------- */
.page-contact .imprint {
  margin-top: clamp(36px, 5vw, 72px);
  padding: clamp(32px, 5vw, 58px) 0;
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-contact .imprint__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .imprint__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  margin: 0;
  color: var(--paper-100);
}

.page-contact .imprint__desc {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.72);
  max-width: 32em;
  margin: 12px 0 0;
}

.page-contact .imprint__icp {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--gold-300);
  margin: 16px 0 0;
}

.page-contact .imprint__icp-label {
  font-family: var(--font-serif);
  letter-spacing: 0;
  color: rgba(247, 243, 234, 0.6);
  margin-right: 10px;
}

.page-contact .imprint__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
}

.page-contact .imprint__fact {
  border-top: 1px solid rgba(227, 196, 138, 0.32);
  padding-top: 12px;
}

.page-contact .imprint__fact dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold-300);
}

.page-contact .imprint__fact dd {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.88);
  margin: 6px 0 0;
  word-break: break-all;
}

@media (min-width: 640px) {
  .page-contact .imprint__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }
}

@media (min-width: 940px) {
  .page-contact .imprint__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel__hint,
  .page-contact .copy-btn,
  .page-contact .tabs__tab,
  .page-contact .checklist__item,
  .page-contact .checklist__mark,
  .page-contact .checklist__mark svg {
    transition: none;
  }
}