/* ============ 联系我们 · 页面专属样式 ============ */
.page-contact {
  --pc-line: 2px solid var(--line);
  --pc-hair: 1px solid var(--hair);
  --pc-gap: clamp(18px, 2.4vw, 32px);
  display: block;
}

.page-contact .contact-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: clamp(18px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  padding: clamp(26px, 4.4vw, 60px) 0 clamp(32px, 4.6vw, 64px);
  border-bottom: var(--pc-line);
}

.page-contact .contact-hero__text {
  min-width: 0;
  max-width: 660px;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .contact-hero .lede {
  margin: 22px 0 0;
  max-width: 42ch;
}

.page-contact .contact-hero__sub {
  margin: 16px 0 0;
  max-width: 40ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-contact .media-frame {
  aspect-ratio: auto;
}

.page-contact .contact-hero__media {
  margin: 0;
  min-width: 0;
  border: var(--pc-line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-contact .contact-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 640;
  object-fit: cover;
}

.page-contact .media-frame__cap {
  padding: 12px 14px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mauve);
}

/* ---------- 事务通道 ---------- */
.page-contact .contact-router {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(36px, 5vw, 72px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .contact-router__bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-contact .contact-router__label {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mauve);
}

.page-contact .contact-tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "code label"
    "code hint";
  align-items: center;
  gap: 2px 14px;
  width: 100%;
  padding: 14px 16px;
  border: var(--pc-line);
  background: var(--panel);
  color: var(--text);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: background var(--fast) var(--ease),
              border-color var(--fast) var(--ease),
              box-shadow var(--fast) var(--ease);
}

.page-contact .contact-tab__code {
  grid-area: code;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .contact-tab__label {
  grid-area: label;
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--white);
}

.page-contact .contact-tab__hint {
  grid-area: hint;
  font-size: 13px;
  color: var(--mauve);
}

.page-contact .contact-tab:hover,
.page-contact .contact-tab:focus-visible {
  border-color: var(--cyan);
  outline: none;
}

.page-contact .contact-tab[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--shadow-sm);
}

.page-contact .contact-tab[aria-pressed="true"] .contact-tab__code,
.page-contact .contact-tab[aria-pressed="true"] .contact-tab__label {
  color: var(--cyan-ink);
}

.page-contact .contact-tab[aria-pressed="true"] .contact-tab__hint {
  color: rgba(4, 18, 26, .72);
}

.page-contact .contact-panels {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  min-width: 0;
}

.page-contact .contact-panel {
  min-width: 0;
  padding: clamp(20px, 2.6vw, 32px);
  border: var(--pc-line);
  background: linear-gradient(180deg, var(--panel) 0%, var(--ink) 84%);
  box-shadow: var(--shadow-sm);
}

.page-contact .contact-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-bottom: 14px;
  border-bottom: var(--pc-hair);
}

.page-contact .contact-panel__head .chip-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .contact-panel__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--white);
}

.page-contact .contact-panel__head .chip {
  margin-left: auto;
}

.page-contact .contact-panel__lead {
  margin: 18px 0 0;
  max-width: 48ch;
}

.page-contact .contact-facts {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: var(--pc-hair);
}

.page-contact .contact-facts__row {
  display: grid;
  gap: 6px;
  padding: 13px 15px;
  background: var(--panel);
}

.page-contact .contact-facts__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mauve);
}

.page-contact .contact-facts__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
  word-break: break-word;
}

.page-contact .contact-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 203, .5);
}

.page-contact .contact-inline-link:hover,
.page-contact .contact-inline-link:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 区块标题 ---------- */
.page-contact .contact-h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .06em;
  color: var(--white);
}

.page-contact .contact-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 20px;
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-contact .contact-head__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mauve);
}

/* ---------- 提交字段 ---------- */
.page-contact .contact-fields {
  display: grid;
  gap: clamp(24px, 3.2vw, 48px);
  padding: clamp(36px, 5vw, 72px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .contact-fields__intro {
  min-width: 0;
}

.page-contact .contact-fields__intro .body-text {
  margin: 20px 0 0;
}

.page-contact .contact-template {
  min-width: 0;
  padding: clamp(18px, 2.4vw, 28px);
  border: var(--pc-line);
  background: var(--step);
  box-shadow: var(--shadow-sm);
}

.page-contact .contact-template__label {
  margin: 0 0 12px;
}

.page-contact .contact-template__preview {
  margin: 0;
  padding: 14px 16px;
  border: var(--pc-hair);
  background: var(--ink);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .contact-template__pre {
  margin: 14px 0 0;
  padding: 16px;
  border: var(--pc-hair);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .contact-template__toggle {
  margin-top: 16px;
}

/* ---------- 处理节奏 ---------- */
.page-contact .contact-response {
  padding: clamp(36px, 5vw, 72px) 0;
}

.page-contact .contact-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: var(--pc-hair);
}

.page-contact .contact-steps__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink);
}

.page-contact .contact-steps__num {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .contact-steps__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--white);
}

.page-contact .contact-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 底部联系信息条 ---------- */
.page-contact .contact-reach {
  border-top: 2px solid var(--cyan);
  background:
    linear-gradient(180deg, rgba(47, 224, 203, .07) 0%, rgba(7, 13, 27, 0) 46%),
    linear-gradient(180deg, var(--panel) 0%, var(--ink) 72%);
  padding: clamp(36px, 5vw, 72px) 0 clamp(44px, 6vw, 88px);
}

.page-contact .contact-reach__inner {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-contact .contact-head--reach {
  margin-bottom: 0;
}

.page-contact .contact-reach__media {
  margin: 0;
  min-width: 0;
  border: var(--pc-line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-contact .contact-reach__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1080 / 600;
  object-fit: cover;
}

.page-contact .contact-bar {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  min-width: 0;
  padding: clamp(20px, 2.6vw, 32px);
  border: var(--pc-line);
  background: var(--step);
  box-shadow: var(--shadow-cyan);
}

.page-contact .contact-bar__grid {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: var(--pc-hair);
}

.page-contact .contact-bar__item {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 16px 18px;
  background: var(--step);
}

.page-contact .contact-bar__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mauve);
}

.page-contact .contact-bar__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-bar__note {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mauve);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-facts__row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 700px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-contact .contact-router {
    grid-template-columns: minmax(230px, 290px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-router__bar {
    position: sticky;
    top: 108px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-fields {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-bar__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tab {
    transition: none;
  }
}
</main>