.page-contact {
  color: var(--ink-text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 10%, rgba(255, 106, 26, .16), transparent 44%),
    repeating-linear-gradient(90deg, rgba(11, 42, 30, .05) 0 1px, transparent 1px 46px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: .75rem;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(2rem, 7.5vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink-green);
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  margin: .35rem 0 0;
  max-width: 38rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .contact-hero__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .75rem 0 0;
  padding: 0;
}

.page-contact .qa-tag {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem .85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink-green);
  font-size: .8125rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-contact .qa-tag::before {
  content: "";
  width: .4rem;
  height: .4rem;
  border-radius: 50%;
  background: var(--signal-orange);
  flex: none;
}

.page-contact .qa-tag:hover,
.page-contact .qa-tag:focus-visible {
  background: var(--orange-soft);
  border-color: var(--signal-orange);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.page-contact .contact-aside,
.page-contact .contact-main {
  min-width: 0;
}

/* 联系卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  background: var(--ink-green);
  color: var(--on-dark);
  border: 1px solid rgba(245, 239, 227, .16);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem 1.25rem;
  box-shadow: 0 22px 44px -30px rgba(11, 42, 30, .95);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 5.5rem;
  height: 5.5rem;
  background: var(--signal-orange);
  opacity: .18;
  border-radius: 0 0 0 100%;
  pointer-events: none;
}

.page-contact .contact-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange-soft);
}

.page-contact .contact-card__title {
  margin: .35rem 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--paper-warm);
}

.page-contact .contact-card .copy-row {
  display: grid;
  gap: .45rem;
  padding: .9rem 0;
  border-top: 1px dashed rgba(245, 239, 227, .24);
}

.page-contact .contact-card .copy-row__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--on-dark-soft);
}

.page-contact .contact-card .copy-row__value {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-card .copy-row__value--wrap {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--on-dark);
}

.page-contact .contact-card .copy-btn {
  justify-self: start;
  padding: .32rem .85rem;
  border: 1px solid rgba(255, 196, 155, .55);
  border-radius: 999px;
  background: transparent;
  color: var(--orange-soft);
  font-size: .8125rem;
  line-height: 1.3;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-contact .contact-card .copy-btn:hover,
.page-contact .contact-card .copy-btn:focus-visible {
  background: var(--signal-orange);
  border-color: var(--signal-orange);
  color: var(--white);
}

.page-contact .contact-card .copy-btn[data-copied="true"] {
  background: var(--green-mid);
  border-color: var(--green-mid);
  color: var(--white);
}

.page-contact .contact-card__note {
  margin: .5rem 0 0;
  padding-top: .9rem;
  border-top: 1px dashed rgba(245, 239, 227, .24);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

.page-contact .contact-aside__figure {
  margin: 1.25rem 0 0;
}

.page-contact .media-frame__caption {
  font-size: .8125rem;
  line-height: 1.6;
}

/* ---------- 右侧问题分块 ---------- */
.page-contact .contact-block {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 1.5rem;
}

.page-contact .contact-block:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-block__num {
  display: block;
  margin: 0;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--signal-orange);
}

.page-contact .contact-block__title {
  margin: .5rem 0 .85rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.6vw, 1.85rem);
  line-height: 1.3;
  color: var(--ink-green);
  max-width: 26ch;
}

.page-contact .contact-block .prose {
  max-width: 38rem;
  font-size: .9688rem;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-contact .contact-block .prose + .prose {
  margin-top: .75rem;
}

.page-contact .contact-block .prose a {
  color: var(--pitch-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-block .prose a:hover {
  color: var(--signal-orange);
}

/* 条目列表：纸签 */
.page-contact .contact-list {
  list-style: none;
  display: grid;
  gap: .6rem;
  margin: 1.1rem 0 0;
  padding: 0;
  max-width: 42rem;
}

.page-contact .contact-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal-orange);
  border-radius: var(--radius-sm);
  padding: .75rem .9rem;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .contact-list strong {
  color: var(--ink-green);
  font-weight: 700;
}

/* 提示条 */
.page-contact .contact-note {
  margin: 1rem 0 0;
  max-width: 42rem;
  padding: .8rem .95rem;
  border-left: 4px solid var(--signal-orange);
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink-text);
}

/* 时间轴 */
.page-contact .timeline {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0 0 0 .1rem;
  border-left: 2px solid var(--line);
  max-width: 42rem;
}

.page-contact .timeline__item {
  position: relative;
  display: grid;
  gap: .2rem;
  padding: .7rem 0 .7rem 1.1rem;
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: -.4rem;
  top: 1.1rem;
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: var(--signal-orange);
  box-shadow: 0 0 0 3px var(--paper-warm);
}

.page-contact .timeline__time {
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-green);
}

.page-contact .timeline__text {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .contact-figure {
  margin: 1.5rem 0 0;
  max-width: 46rem;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .contact-links {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 2px solid var(--ink-green);
}

.page-contact .contact-links__title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 3.6vw, 1.4rem);
  font-weight: 700;
  color: var(--ink-green);
}

.page-contact .contact-links__list {
  list-style: none;
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
}

.page-contact .contact-links__list a {
  display: block;
  position: relative;
  padding: .9rem 2.2rem .9rem 1rem;
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  color: var(--ink-green);
  font-size: .9375rem;
  line-height: 1.6;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}

.page-contact .contact-links__list a::after {
  content: "→";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--signal-orange);
  font-family: var(--font-mono);
}

.page-contact .contact-links__list a:hover,
.page-contact .contact-links__list a:focus-visible {
  background: var(--orange-soft);
  transform: translateX(2px);
}

/* ---------- 图片自适应 ---------- */
.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: 2.25rem 0 2.75rem;
  }

  .page-contact .contact-hero__inner {
    gap: 1rem;
  }

  .page-contact .contact-block .prose {
    font-size: 1rem;
  }

  .page-contact .timeline__item {
    grid-template-columns: 7rem 1fr;
    align-items: baseline;
    gap: .5rem 1rem;
  }

  .page-contact .timeline__item::before {
    top: 1.3rem;
  }

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

/* ---------- 桌面：左卡右栏 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
    gap: 3.5rem;
    padding-top: 2.75rem;
  }

  .page-contact .contact-card {
    padding: 1.75rem 1.5rem 1.5rem;
  }

  .page-contact .contact-block {
    margin-top: 2.25rem;
    padding-top: 2.25rem;
  }

  .page-contact .contact-block__title {
    margin-bottom: 1rem;
  }
}