.page-contact {
  --contact-line: rgba(159, 247, 226, 0.14);
  --contact-line-strong: rgba(43, 245, 200, 0.32);
}

/* ---------- 首屏：标题 + 联系坐标 ---------- */
.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  padding-block: clamp(26px, 6vw, 68px) clamp(32px, 6vw, 72px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-contact .contact-hero__lede {
  margin-top: 18px;
  max-width: 36em;
}

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

.page-contact .chan {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .chan__key {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .chan__val {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.9vw, 20px);
  line-height: 1.35;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- 反馈类型网格 ---------- */
.page-contact .fb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .fb-card {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-contact .fb-card:hover,
.page-contact .fb-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--ink-700);
}

.page-contact .fb-card__id {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .fb-card__title {
  margin: 12px 0 0;
  font-size: 18px;
}

.page-contact .fb-card__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .fb-card__topic {
  margin: 16px 0 0;
  padding-left: 10px;
  border-left: 1px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan-soft);
}

/* ---------- 怎么提交 ---------- */
.page-contact .submit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(22px, 4vw, 36px);
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .steps__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .steps__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .steps__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--cyan-soft);
}

.page-contact .steps__title {
  margin: 0 0 8px;
  font-size: 17px;
}

.page-contact .steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hot {
  font-family: var(--font-mono);
  color: var(--signal);
}

.page-contact .submit-media {
  aspect-ratio: 5 / 3;
}

.page-contact .submit-note {
  margin: clamp(22px, 4vw, 34px) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 62em;
}

.page-contact .submit-note a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回音节奏 ---------- */
.page-contact .reply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(22px, 4vw, 38px);
}

.page-contact .reply-card {
  padding-top: 18px;
  border-top: 2px solid var(--cyan);
}

.page-contact .reply-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5.4vw, 36px);
  line-height: 1.1;
  color: var(--text);
}

.page-contact .reply-card__label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-contact .reply-card__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .reply-foot {
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--contact-line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 58em;
}

/* ---------- 自助入口拼贴 ---------- */
.page-contact .self-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(22px, 4vw, 36px);
}

.page-contact .self-card {
  position: relative;
  display: block;
  padding: 22px 18px 24px;
  margin-top: -1px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-contact .self-card:hover,
.page-contact .self-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--ink-700);
  z-index: 2;
}

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

.page-contact .self-card__title {
  margin: 12px 0 0;
  font-size: 17px;
}

.page-contact .self-card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .self-card__go {
  display: inline-block;
  margin-top: 16px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

/* ---------- 我们在哪 ---------- */
.page-contact .where {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .where__media {
  aspect-ratio: 12 / 7;
}

.page-contact .where__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
}

.page-contact .where__list {
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .where__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .where__key {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .where__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .where__val--mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* ---------- 底部信息带 ---------- */
.page-contact .contact-strip {
  margin-top: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--line);
  background: var(--ink-950);
}

.page-contact .contact-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 图片容器统一处理 ---------- */
.page-contact .media {
  display: block;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-700), var(--ink-950));
  border: 1px solid var(--line);
}

.page-contact .media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) brightness(0.86);
}

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    align-items: end;
  }

  .page-contact .chan {
    align-items: flex-end;
    text-align: right;
  }

  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .reply-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .self-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-contact .self-card {
    margin-top: 0;
    margin-left: -1px;
  }

  .page-contact .where {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-contact .where__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

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

  .page-contact .fb-card {
    padding: 24px 22px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-card,
  .page-contact .self-card {
    transition: none;
  }

  .page-contact .fb-card:hover,
  .page-contact .fb-card:focus-within,
  .page-contact .self-card:hover,
  .page-contact .self-card:focus-visible {
    transform: none;
  }
}