/* ================= 联系与支持 / page-contact ================= */

.page-contact {
  --ct-card-bg: linear-gradient(158deg, rgba(22, 40, 58, 0.94), rgba(11, 27, 43, 0.98));
  --ct-soft-bg: rgba(22, 40, 58, 0.5);
}

.page-contact .ct-topline {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-contact .qd-crumbs {
  font-family: var(--qd-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--qd-muted);
}

.page-contact .qd-crumbs a {
  color: var(--qd-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}

.page-contact .qd-crumbs a:hover,
.page-contact .qd-crumbs a:focus-visible {
  color: var(--qd-orange);
  border-bottom-color: var(--qd-orange);
}

.page-contact .qd-crumbs [aria-current="page"] {
  color: var(--qd-dim);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-intro {
  padding: clamp(24px, 5vw, 52px) 0 clamp(22px, 4vw, 40px);
}

.page-contact .ct-intro__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-intro__title {
  margin: 12px 0 16px;
  text-wrap: balance;
}

.page-contact .ct-intro__body {
  max-width: 52ch;
  color: var(--qd-dim);
}

@media (min-width: 920px) {
  .page-contact .ct-intro__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
    align-items: end;
  }
}

/* ---------- 快速索引 ---------- */

.page-contact .ct-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--qd-line-strong);
}

.page-contact .ct-jump__item {
  border-bottom: 1px solid var(--qd-line);
}

.page-contact .ct-jump__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 4px;
  color: var(--qd-dim);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color 120ms ease, transform 120ms ease;
}

.page-contact .ct-jump__link:hover,
.page-contact .ct-jump__link:focus-visible {
  color: var(--qd-paper);
  transform: translateX(5px);
}

.page-contact .ct-jump__num {
  font-family: var(--qd-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--qd-orange);
}

/* ---------- 章节标题辅助 ---------- */

.page-contact .ct-h2 {
  margin: 12px 0 14px;
}

.page-contact .ct-sub {
  max-width: 60ch;
  margin: 0 0 clamp(24px, 4vw, 38px);
  color: var(--qd-dim);
}

/* ---------- 联系信息卡 ---------- */

.page-contact .ct-channel__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

@media (min-width: 960px) {
  .page-contact .ct-channel__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.page-contact .ct-card {
  background: var(--ct-card-bg);
  border: 1px solid var(--qd-line);
  border-left: 3px solid var(--qd-orange);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .ct-card__row + .ct-card__row {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--qd-line);
}

.page-contact .ct-card__label {
  display: block;
  font-family: var(--qd-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--qd-muted);
}

.page-contact .ct-card__value {
  margin: 9px 0 10px;
  font-family: var(--qd-mono);
  font-size: clamp(19px, 2.6vw, 26px);
  letter-spacing: 0.02em;
  color: var(--qd-paper);
  word-break: break-word;
}

.page-contact .ct-card__note {
  margin: 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--qd-dim);
}

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

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

/* ---------- 时段条 ---------- */

.page-contact .ct-hours {
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--qd-line);
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(29, 78, 107, 0.08);
}

.page-contact .ct-hours__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
}

.page-contact .ct-hours__title {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--qd-paper);
}

.page-contact .ct-hours__meta {
  font-family: var(--qd-mono);
  font-size: 13px;
  color: var(--qd-mint);
}

.page-contact .ct-hours__track {
  display: flex;
  gap: 2px;
  height: 34px;
  margin: 16px 0 0;
  background: rgba(143, 163, 176, 0.12);
}

.page-contact .ct-hours__seg {
  position: relative;
  display: block;
  height: 100%;
}

.page-contact .ct-hours__seg--calm {
  flex: 9;
  background: linear-gradient(90deg, rgba(29, 78, 107, 0.9), rgba(29, 78, 107, 0.45));
}

.page-contact .ct-hours__seg--peak {
  flex: 4;
  background: linear-gradient(90deg, rgba(255, 90, 43, 0.88), rgba(255, 179, 71, 0.55));
}

.page-contact .ct-hours__seg::after {
  content: attr(data-label);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  padding: 6px 10px;
  background: var(--qd-night);
  border: 1px solid var(--qd-line-strong);
  font-family: var(--qd-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--qd-paper);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.page-contact .ct-hours__seg--peak::after {
  left: auto;
  right: 0;
}

.page-contact .ct-hours__seg:hover::after {
  opacity: 1;
}

.page-contact .ct-hours__ticks {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  font-family: var(--qd-mono);
  font-size: 11.5px;
  color: var(--qd-muted);
}

.page-contact .ct-hours__note {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--qd-dim);
}

/* ---------- 主题切换（纯前端） ---------- */

.page-contact .ct-topic {
  position: relative;
}

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

.page-contact .ct-topic__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .ct-topic__tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--qd-line-strong);
  background: transparent;
  color: var(--qd-dim);
  font-size: 14.5px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.page-contact .ct-topic__tab:hover {
  color: var(--qd-paper);
  border-color: var(--qd-paper);
}

.page-contact #ct-topic-a:checked ~ .ct-topic__tabs [for="ct-topic-a"],
.page-contact #ct-topic-b:checked ~ .ct-topic__tabs [for="ct-topic-b"],
.page-contact #ct-topic-c:checked ~ .ct-topic__tabs [for="ct-topic-c"] {
  background: var(--qd-orange);
  border-color: var(--qd-orange);
  color: var(--qd-night);
  font-weight: 600;
}

.page-contact #ct-topic-a:focus-visible ~ .ct-topic__tabs [for="ct-topic-a"],
.page-contact #ct-topic-b:focus-visible ~ .ct-topic__tabs [for="ct-topic-b"],
.page-contact #ct-topic-c:focus-visible ~ .ct-topic__tabs [for="ct-topic-c"] {
  outline: 2px solid var(--qd-amber);
  outline-offset: 2px;
}

.page-contact .ct-topic__panel {
  display: none;
}

.page-contact #ct-topic-a:checked ~ .ct-topic__panels .ct-topic__panel--a,
.page-contact #ct-topic-b:checked ~ .ct-topic__panels .ct-topic__panel--b,
.page-contact #ct-topic-c:checked ~ .ct-topic__panels .ct-topic__panel--c {
  display: block;
}

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

@media (min-width: 760px) {
  .page-contact .ct-topic__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .ct-topic__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  padding: 14px 16px 16px;
  border: 1px solid var(--qd-line);
  border-top: 2px solid var(--qd-gridc);
  background: var(--ct-soft-bg);
}

.page-contact .ct-topic__panel--a .ct-topic__item {
  border-top-color: var(--qd-orange);
}

.page-contact .ct-topic__panel--b .ct-topic__item {
  border-top-color: var(--qd-amber);
}

.page-contact .ct-topic__panel--c .ct-topic__item {
  border-top-color: var(--qd-mint);
}

.page-contact .ct-topic__idx {
  font-family: var(--qd-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--qd-orange);
}

.page-contact .ct-topic__text {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--qd-dim);
}

.page-contact .ct-topic__text strong {
  color: var(--qd-paper);
  font-weight: 600;
}

/* ---------- 处理流程 ---------- */

.page-contact .ct-figure {
  margin: 0 0 clamp(26px, 4vw, 38px);
}

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

@media (min-width: 900px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    padding: 1px;
    background: var(--qd-line);
    border: 1px solid var(--qd-line);
  }
}

.page-contact .ct-flow__step {
  display: flex;
  flex-direction: column;
  padding: 20px 18px 22px;
  background: var(--qd-green);
  border-left: 2px solid var(--qd-mid);
}

.page-contact .ct-flow__idx {
  font-family: var(--qd-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--qd-amber);
}

.page-contact .ct-flow__title {
  margin: 10px 0 8px;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--qd-paper);
}

.page-contact .ct-flow__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--qd-dim);
}

.page-contact .ct-flow__time {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--qd-line);
  font-family: var(--qd-mono);
  font-size: 12.5px;
  color: var(--qd-mint);
}

/* ---------- 团队席位 ---------- */

.page-contact .ct-seats {
  display: grid;
  gap: 14px;
}

@media (min-width: 780px) {
  .page-contact .ct-seats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-seat {
  padding: 20px 20px 22px;
  border: 1px solid var(--qd-line);
  border-bottom: 2px solid var(--qd-mid);
  background: var(--ct-soft-bg);
}

.page-contact .ct-seat__num {
  display: block;
  font-family: var(--qd-mono);
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: -0.01em;
  color: var(--qd-orange);
}

.page-contact .ct-seat__num em {
  margin-left: 0.25em;
  font-style: normal;
  font-size: 0.42em;
  letter-spacing: 0.04em;
  color: var(--qd-amber);
}

.page-contact .ct-seat__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--qd-dim);
}

.page-contact .ct-team__foot {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: clamp(20px, 3vw, 26px);
  border-top: 1px solid var(--qd-line);
}

@media (min-width: 820px) {
  .page-contact .ct-team__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.page-contact .ct-team__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--qd-dim);
}

/* ---------- 合作与建议 ---------- */

.page-contact .ct-partners {
  border-top: 1px solid var(--qd-line-strong);
}

.page-contact .ct-partner {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 24px) 0;
  border-bottom: 1px solid var(--qd-line);
}

@media (min-width: 860px) {
  .page-contact .ct-partner {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
  }
}

.page-contact .ct-partner__name {
  margin: 0;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--qd-paper);
}

.page-contact .ct-partner__name span {
  margin-right: 10px;
  font-family: var(--qd-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--qd-orange);
}

.page-contact .ct-partner__desc {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--qd-dim);
}

/* ---------- 书面往来地址 ---------- */

.page-contact .ct-address {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px dashed var(--qd-line-strong);
  background: rgba(14, 42, 38, 0.28);
}

@media (min-width: 820px) {
  .page-contact .ct-address {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: center;
  }
}

.page-contact .ct-address__label {
  display: block;
  font-family: var(--qd-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--qd-muted);
}

.page-contact .ct-address__value {
  margin: 10px 0 0;
  font-family: var(--qd-mono);
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.6;
  color: var(--qd-paper);
}

.page-contact .ct-address__note {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--qd-dim);
}

/* ---------- 收尾 ---------- */

.page-contact .ct-outro {
  display: grid;
  gap: 22px;
  padding-top: clamp(24px, 3vw, 32px);
  border-top: 1px solid var(--qd-line-strong);
}

@media (min-width: 860px) {
  .page-contact .ct-outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

.page-contact .ct-outro__title {
  margin: 0 0 10px;
}

.page-contact .ct-outro__body {
  margin: 0;
  max-width: 62ch;
  color: var(--qd-dim);
}

.page-contact .ct-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 动效 ---------- */

.qd-js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.qd-js .page-contact [data-reveal="1"] { transition-delay: 70ms; }
.qd-js .page-contact [data-reveal="2"] { transition-delay: 140ms; }
.qd-js .page-contact [data-reveal="3"] { transition-delay: 210ms; }

.qd-js .page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .qd-js .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-contact .ct-jump__link:hover,
  .page-contact .ct-jump__link:focus-visible {
    transform: none;
  }
}

/* ---------- 窄屏收口 ---------- */

@media (max-width: 560px) {
  .page-contact .ct-topic__tab {
    flex: 1 1 auto;
  }

  .page-contact .ct-flow__step {
    padding: 18px 16px 20px;
  }

  .page-contact .ct-outro__links .qd-btn {
    flex: 1 1 100%;
  }
}

.page-contact .qd-btn:focus-visible,
.page-contact .qd-cta:focus-visible {
  outline: 2px solid var(--qd-amber);
  outline-offset: 2px;
}