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

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

.page-contact .crumbs {
  padding-top: 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(16px, 3vw, 28px) 0 clamp(36px, 6vw, 72px);
  border-bottom: var(--line);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.page-contact .lede {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .lede a {
  color: var(--blue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-lines {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .ct-block {
  padding: 4px 0 4px 16px;
  border-left: 4px solid var(--blue);
  min-width: 0;
}

.page-contact .ct-block--tel {
  border-left-color: var(--ink);
}

.page-contact .ct-block__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-contact .ct-block__mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px, 4.6vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--blue);
  overflow-wrap: anywhere;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-block__tel {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 3.4vw, 27px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--edge);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-block__mail:hover,
.page-contact .ct-block__mail:focus-visible {
  color: var(--blue-deep);
  border-color: var(--blue-deep);
}

.page-contact .ct-block__tel:hover,
.page-contact .ct-block__tel:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

.page-contact .ct-block__note {
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* 服务时间面板 */
.page-contact .ct-time {
  background: var(--white);
  border: var(--line);
  box-shadow: var(--shadow);
  padding: clamp(16px, 2.6vw, 24px);
  align-self: start;
}

.page-contact .ct-time__head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 12px;
  border-bottom: var(--line-soft);
}

.page-contact .ct-time__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(19, 215, 201, 0.22);
  flex: none;
}

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

.page-contact .ct-time__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-time__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--edge);
}

.page-contact .ct-time__row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-contact .ct-time__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-contact .ct-time__v {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .ct-time__btn {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
  text-align: center;
}

/* 首屏图 */
.page-contact .ct-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-contact .ct-figure__img {
  display: block;
  width: 100%;
  border: var(--line);
  box-shadow: var(--shadow);
  background: var(--slab);
  object-fit: cover;
}

.page-contact .ct-figure__cap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 46em;
}

/* ---------- 章节头 ---------- */
.page-contact .ct-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 合作咨询 ---------- */
.page-contact .ct-coop {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .ct-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-contact .tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 9px 16px;
  background: var(--white);
  color: var(--ink);
  border: var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease),
    box-shadow 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .tab:hover {
  background: var(--slab);
}

.page-contact .tab[aria-selected="true"] {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow);
}

.page-contact .tab:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .tabs__panel {
  border: var(--line);
  background: var(--white);
  padding: clamp(18px, 3vw, 32px);
}

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

.page-contact .tabs__panel:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-coop__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

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

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

.page-contact .ct-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  background: var(--ink);
}

.page-contact .ct-coop__col--note {
  background: var(--slab);
  border-left: 3px solid var(--ink);
  padding: clamp(14px, 2.4vw, 22px);
}

.page-contact .ct-coop__col--note p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 反馈处理 ---------- */
.page-contact .ct-feedback {
  background: var(--slab);
  border-top: var(--line);
  border-bottom: var(--line);
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .ct-step {
  background: var(--paper);
  border: var(--line);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-contact .ct-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-contact .ct-step__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-contact .ct-feedback__more {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--graphite);
}

.page-contact .ct-feedback__more a {
  color: var(--blue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.page-contact .ct-feedback__more a:hover,
.page-contact .ct-feedback__more a:focus-visible {
  color: var(--blue);
}

/* ---------- 办公地址 ---------- */
.page-contact .ct-addr {
  background: var(--panel);
  color: var(--foot-ink);
  border-top: 4px solid var(--blue);
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-contact .ct-addr__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-contact .ct-addr .eyebrow {
  color: var(--cyan);
}

.page-contact .ct-addr__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 3.2vw, 30px);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-addr__note {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--foot-dim);
}

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

.page-contact .ct-addr__figure img {
  display: block;
  width: 100%;
  border: 2px solid rgba(220, 228, 238, 0.3);
  object-fit: cover;
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-qa {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .ct-faq-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--line);
}

.page-contact .ct-faq {
  border-bottom: var(--line-soft);
  padding: 16px 0;
}

.page-contact .ct-faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

.page-contact .ct-faq summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-faq summary:hover {
  color: var(--blue-deep);
}

.page-contact .ct-faq summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.page-contact .ct-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--blue);
}

.page-contact .ct-faq[open] summary::after {
  content: "–";
}

.page-contact .ct-faq__body {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-time__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-addr__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .ct-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 36px);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tab,
  .page-contact .ct-block__mail,
  .page-contact .ct-block__tel,
  .page-contact .ct-faq summary {
    transition: none;
  }
}