/* ========== 联系页 · page-contact ========== */

.page-contact {
  --contact-panel: var(--ink-panel);
  --contact-line: var(--grid-line);
  --contact-radius: var(--r-lg);
  background: var(--ink-deep);
  color: var(--text);
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
  transition: color .18s ease, border-color .18s ease;
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

.page-contact .h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--text);
}

.page-contact .lede {
  margin: 0;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 4vw, 28px) 0 clamp(34px, 6vw, 72px);
  border-bottom: 1px solid var(--contact-line);
  background:
    radial-gradient(95% 70% at 84% 4%, rgba(0, 229, 255, .12), transparent 62%),
    radial-gradient(70% 60% at 4% 100%, rgba(255, 122, 26, .07), transparent 62%),
    linear-gradient(180deg, #050B14 0%, #08121C 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .4;
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: clamp(20px, 4vw, 38px);
}

.page-contact .contact-hero-inner {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: start;
}

.page-contact .contact-hero-copy .display {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.14;
  color: var(--text);
}

.page-contact .contact-hero-copy .lede {
  max-width: 46ch;
}

.page-contact .contact-hero-facts {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-hero-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 11px 18px;
  border: 1px solid var(--contact-line);
  border-radius: var(--r-pill);
  background: rgba(11, 22, 34, .72);
}

.page-contact .fact-k {
  flex: 0 0 auto;
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-contact .fact-v {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero-media {
  border: 1px solid var(--contact-line);
  border-radius: var(--contact-radius);
  background: var(--contact-panel);
  box-shadow: 0 26px 60px -34px rgba(0, 229, 255, .38);
}

.page-contact .contact-hero-media img,
.page-contact .contact-aside-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */

.page-contact .contact-main {
  padding: clamp(42px, 7vw, 92px) 0;
}

.page-contact .contact-stack {
  display: grid;
  gap: clamp(34px, 5vw, 60px);
  min-width: 0;
}

.page-contact .section-head {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .section-head .eyebrow {
  margin-bottom: 10px;
}

/* 类型速览胶囊 */

.page-contact .contact-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-contact .contact-tabs a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--contact-line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text-dim);
  font-size: .88rem;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--contact-line);
}

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

.page-contact .contact-tabs a:focus-visible {
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .25);
}

/* 通道条目 */

.page-contact .contact-lanes {
  display: grid;
  gap: 14px;
}

.page-contact .lane {
  position: relative;
  padding: clamp(18px, 3vw, 26px) clamp(18px, 3vw, 28px);
  border: 1px solid var(--contact-line);
  border-radius: var(--contact-radius);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .06), transparent 46%),
    linear-gradient(180deg, var(--contact-panel), #08121C);
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: border-color .2s ease, transform .2s ease;
}

.page-contact .lane:hover {
  border-color: rgba(0, 229, 255, .45);
  transform: translateY(-2px);
}

.page-contact .lane-index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-contact .lane-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2.4vw, 1.32rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--text);
}

.page-contact .lane-text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .lane-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

/* 提交前准备 */

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prep-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--contact-line);
  border-radius: var(--r-md);
  background: var(--contact-panel);
}

.page-contact .prep-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .prep-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .prep-text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* 纠错清单 */

.page-contact .fix-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .fix-list li {
  position: relative;
  padding: 12px 16px 12px 22px;
  border-radius: var(--r-sm);
  background: var(--ink-sub);
  font-size: .93rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .fix-list li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 20px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}

.page-contact .fix-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
  font-weight: 700;
}

/* 合作与投稿 */

.page-contact .coop-list {
  display: grid;
  gap: 14px;
}

.page-contact .coop-item {
  padding: 18px 20px 20px;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(90deg, rgba(0, 229, 255, .07), rgba(0, 229, 255, 0) 72%);
}

.page-contact .coop-item:nth-child(2) {
  border-left-color: var(--mint);
  background: linear-gradient(90deg, rgba(75, 227, 168, .06), rgba(75, 227, 168, 0) 72%);
}

.page-contact .coop-item:nth-child(3) {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 122, 26, .06), rgba(255, 122, 26, 0) 72%);
}

.page-contact .coop-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--contact-line);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-contact .coop-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .coop-text {
  margin: 0 0 10px;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .coop-need {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--text-dim);
  padding-left: 14px;
  border-left: 1px solid var(--contact-line);
}

/* ---------- 右侧栏 ---------- */

.page-contact .contact-sticky {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--contact-line);
  border-radius: var(--contact-radius);
  background: linear-gradient(165deg, var(--contact-panel), #08121C 78%);
}

.page-contact .contact-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--text-dim);
}

.page-contact .contact-card-title::before {
  content: "";
  width: 22px;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--cyan);
}

.page-contact .contact-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-lines li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-contact .contact-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--contact-line);
  border-radius: 50%;
  color: var(--cyan);
}

.page-contact .contact-icon svg {
  width: 16px;
  height: 16px;
}

.page-contact .contact-line-body {
  min-width: 0;
}

.page-contact .contact-line-label {
  display: block;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-contact .contact-line-value {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-line-value--text {
  font-family: var(--font-body);
  font-size: .88rem;
}

.page-contact .contact-aside-media {
  border: 1px solid var(--contact-line);
  border-radius: var(--contact-radius);
  background: var(--contact-panel);
}

.page-contact .contact-aside-media .media-frame-caption {
  color: var(--text-dim);
}

.page-contact .contact-card--time {
  border-color: rgba(255, 122, 26, .32);
}

.page-contact .contact-card--time .contact-card-title::before {
  background: var(--orange);
}

.page-contact .time-figure {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .time-figure span {
  padding: 0 6px;
  color: var(--orange);
}

.page-contact .time-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .time-list li {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .time-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .time-list .tag {
  justify-self: start;
}

.page-contact .time-text {
  font-size: .88rem;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 站点信息收束 ---------- */

.page-contact .contact-siteinfo {
  padding: clamp(34px, 6vw, 64px) 0 clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--contact-line);
  background:
    linear-gradient(180deg, rgba(30, 58, 76, .18), transparent 70%),
    var(--ink-deep);
}

.page-contact .contact-siteinfo .eyebrow {
  margin-bottom: 18px;
}

.page-contact .siteinfo-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .siteinfo-list > div {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(30, 58, 76, .6);
}

.page-contact .siteinfo-list dt {
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-contact .siteinfo-list dd {
  margin: 0;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .siteinfo-list > div:nth-child(1) dd,
.page-contact .siteinfo-list > div:nth-child(2) dd,
.page-contact .siteinfo-list > div:nth-child(4) dd {
  font-family: var(--font-mono);
}

.page-contact .siteinfo-note {
  margin: 20px 0 0;
  max-width: 70ch;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hero-facts li {
    flex-direction: column;
    gap: 6px;
    border-radius: var(--r-md);
    padding: 14px 16px;
  }

  .page-contact .siteinfo-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: 5fr 6fr;
    gap: clamp(32px, 5vw, 68px);
    align-items: end;
  }

  .page-contact .contact-hero-media {
    margin-top: clamp(10px, 3vw, 32px);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-sticky {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

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

  .page-contact .siteinfo-list > div {
    border-bottom: 0;
    border-top: 1px solid rgba(30, 58, 76, .6);
    padding: 16px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .lane {
    transition: none;
  }

  .page-contact .lane:hover {
    transform: none;
  }
}