.page-contact {
  --contact-scope: 1;
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-head {
  padding-top: clamp(24px, 5vw, 52px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-contact .contact-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-contact .contact-lede {
  margin: 20px 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 46ch;
}

/* ---------- 非对称双栏 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 7vw, 64px);
  align-items: start;
}

.page-contact .contact-side__media {
  margin: 0 0 26px;
  aspect-ratio: 9 / 11;
  overflow: hidden;
}

.page-contact .contact-side__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-side__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 18px;
}

/* ---------- 联系方式 ---------- */
.page-contact .channels {
  display: grid;
  gap: 22px;
}

.page-contact .channel__label {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}

.page-contact .copy-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 13px 15px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--r-c);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--t-base) var(--ease-out),
              transform var(--t-fast) var(--ease-out),
              background-color var(--t-base) var(--ease-out);
}

.page-contact .copy-btn:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

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

.page-contact .copy-btn__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(14px, 3.4vw, 16px);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .copy-btn__hint {
  flex: 0 0 auto;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  transition: color var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
}

.page-contact .copy-btn:hover .copy-btn__hint {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .copy-btn[data-copied] {
  border-color: var(--cyan);
  background: var(--ink-650);
}

.page-contact .copy-btn[data-copied] .copy-btn__hint {
  color: var(--on-cyan);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channel__note {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 右侧事项路径 ---------- */
.page-contact .contact-main__media {
  margin: 0 0 30px;
  aspect-ratio: 8 / 5;
  overflow: hidden;
}

.page-contact .contact-main__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-main__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 12px;
}

.page-contact .contact-main__lede {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 40ch;
}

.page-contact .routes-wrap {
  position: relative;
}

.page-contact .routes {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 40px;
  display: grid;
  gap: 16px;
}

.page-contact .routes::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 48%, var(--clay) 100%);
  transform-origin: top center;
  transform: rotate(11deg);
  opacity: 0.75;
  pointer-events: none;
}

.page-contact .route {
  position: relative;
  padding: 20px 20px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-a);
  transition: border-color var(--t-base) var(--ease-out),
              background-color var(--t-base) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}

.page-contact .route:hover,
.page-contact .route:focus-within {
  border-color: var(--cyan);
  background: var(--ink-700);
  transform: translateY(-3px);
}

.page-contact .route__idx {
  position: absolute;
  left: -40px;
  top: 22px;
  width: 32px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 2px 0;
}

.page-contact .route__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.6vw, 21px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 10px;
}

.page-contact .route__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 40ch;
}

.page-contact .route__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact .route__meta .tag {
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: var(--r-pill);
  padding: 2px 9px;
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ---------- 横向说明区块 ---------- */
.page-contact .block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-top: clamp(48px, 8vw, 88px);
  padding-bottom: clamp(8px, 3vw, 24px);
}

.page-contact .block__col--narrow h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3.2vw, 29px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 10px 0 0;
}

.page-contact .block__col--wide .prose {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 42ch;
}

.page-contact .block__col--wide .prose:last-child {
  margin-bottom: 0;
}

.page-contact .addr-flag {
  display: inline-block;
  margin: 6px 0 0;
  padding: 10px 16px;
  background: var(--clay-deep);
  color: var(--clay-soft);
  border-left: 3px solid var(--clay);
  border-radius: var(--r-c);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
}

/* ---------- 邮件清单 ---------- */
.page-contact .tips-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-b);
  overflow: hidden;
}

.page-contact .tips-item {
  display: grid;
  gap: 6px;
  padding: 15px 18px;
  background: var(--ink-800);
  transition: background-color var(--t-base) var(--ease-out);
}

.page-contact .tips-item:hover {
  background: var(--ink-700);
}

.page-contact .tips-item__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--clay-soft);
}

.page-contact .tips-item__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 底部快捷带 ---------- */
.page-contact .quick-strip {
  margin-top: clamp(48px, 8vw, 88px);
  padding: clamp(36px, 6vw, 60px) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .quick-strip__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-contact .quick-strip__head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 3.2vw, 28px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 10px;
}

.page-contact .quick-strip__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 46ch;
}

.page-contact .quick-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--r-b);
  text-decoration: none;
  transition: border-color var(--t-base) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}

.page-contact .quick-card:hover,
.page-contact .quick-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

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

.page-contact .quick-card__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .quick-card__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 479px) {
  .page-contact .routes {
    padding-left: 0;
  }

  .page-contact .routes::before {
    display: none;
  }

  .page-contact .route__idx {
    position: static;
    display: inline-block;
    width: auto;
    padding: 2px 10px;
    margin-bottom: 10px;
  }

  .page-contact .route__body,
  .page-contact .block__col--wide .prose,
  .page-contact .contact-lede,
  .page-contact .contact-main__lede {
    max-width: none;
  }
}

/* ---------- 桌面端非对称分栏 ---------- */
@media (min-width: 1000px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(280px, 4fr) minmax(0, 7fr);
    gap: clamp(44px, 6vw, 84px);
  }

  .page-contact .contact-side {
    position: sticky;
    top: calc(var(--toolbar-h) + 28px);
  }

  .page-contact .contact-title {
    max-width: 20ch;
  }

  .page-contact .block {
    grid-template-columns: minmax(200px, 3fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .tips-item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

  .page-contact .quick-card:first-child {
    grid-column: span 2;
  }

  .page-contact .quick-card:nth-child(4) {
    grid-column: span 2;
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-lede {
    max-width: 52ch;
  }

  .page-contact .route__body {
    max-width: 46ch;
  }
}