/* ===== 联系我们 ===== */
.page-contact {
  --pc-panel: #152048;
  --pc-hair: rgba(143, 163, 200, 0.18);
}

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

/* ---- 首屏 ---- */
.page-contact__hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.5rem) 0 clamp(2.25rem, 6vw, 4rem);
}

.page-contact__hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -30%;
  left: -12%;
  right: -12%;
  bottom: 0;
  background:
    radial-gradient(58% 52% at 82% 20%, rgba(53, 232, 208, 0.18), transparent 68%),
    radial-gradient(46% 44% at 10% 4%, rgba(255, 122, 47, 0.16), transparent 70%),
    linear-gradient(178deg, var(--xp-navy) 0%, var(--xp-void) 86%);
  clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
}

.page-contact__hero > .xp-container {
  position: relative;
  z-index: 1;
}

.page-contact__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  align-items: end;
}

.page-contact__eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--xp-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--xp-cyan);
}

.page-contact__title {
  margin: 0 0 1.1rem;
  font-family: var(--xp-font-display);
  font-weight: 900;
  font-size: clamp(3rem, 13vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--xp-porcelain);
}

.page-contact__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact__jump a {
  display: inline-block;
  padding: 0.42rem 0.8rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--xp-soft);
  text-decoration: none;
  background: rgba(14, 23, 56, 0.62);
  border: 1px solid var(--pc-hair);
  border-left: 2px solid var(--xp-mist);
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease;
}

.page-contact__jump a:hover,
.page-contact__jump a:focus-visible {
  color: var(--xp-void);
  background: var(--xp-cyan);
  border-color: var(--xp-cyan);
}

.page-contact__hero-figure {
  margin: 0;
  background: var(--xp-indigo);
  clip-path: polygon(28px 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%, 0 28px);
}

.page-contact__hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact__hero-caption {
  margin: 0.8rem 0 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--xp-mist);
}

/* ---- 章节留白 ---- */
.page-contact__channels,
.page-contact__scope,
.page-contact__coop,
.page-contact__community,
.page-contact__visit,
.page-contact__alerts,
.page-contact__more {
  padding-block: clamp(2.4rem, 6.5vw, 4.2rem);
}

/* ---- 01 三条通道 ---- */
.page-contact__channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.9rem, 2.5vw, 1.3rem);
  margin-top: clamp(1.4rem, 4vw, 2rem);
}

.page-contact__channel {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  align-items: flex-start;
  justify-content: space-between;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: linear-gradient(160deg, rgba(21, 32, 72, 0.94), rgba(14, 23, 56, 0.94));
  border: 1px solid var(--pc-hair);
  border-left: 2px solid var(--xp-mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform 240ms ease, border-color 240ms ease, background-color 240ms ease;
}

.page-contact__channel:hover,
.page-contact__channel:focus-within {
  transform: translateY(-4px);
  border-color: rgba(53, 232, 208, 0.42);
  border-left-color: var(--xp-cyan);
  background: linear-gradient(160deg, rgba(28, 42, 88, 0.96), rgba(14, 23, 56, 0.96));
}

.page-contact__channel-body {
  flex: 1 1 12rem;
  min-width: 0;
}

.page-contact__channel-name {
  margin: 0 0 0.5rem;
  font-family: var(--xp-font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--xp-porcelain);
}

.page-contact__channel-value {
  margin: 0 0 0.6rem;
  font-family: var(--xp-font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.5;
  word-break: break-all;
  color: var(--xp-porcelain);
}

.page-contact__channel-value a {
  color: var(--xp-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 232, 208, 0.4);
}

.page-contact__channel-value a:hover {
  border-bottom-color: var(--xp-cyan);
}

.page-contact__channel-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--xp-soft);
}

.page-contact__tick {
  flex: 0 0 auto;
  min-width: 6.6rem;
  padding-left: 0.85rem;
  border-left: 1px dashed var(--pc-hair);
  text-align: right;
}

.page-contact__tick-num {
  display: block;
  padding-bottom: 0.32rem;
  font-family: var(--xp-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--xp-mint);
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact__tick-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--xp-mist);
}

/* ---- 02 处理范围 ---- */
.page-contact__scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: start;
}

.page-contact__scope-figure {
  margin: 0;
  background: var(--xp-indigo);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-contact__scope-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact__scope-copy {
  min-width: 0;
}

.page-contact__route-list {
  margin: clamp(1.3rem, 3.5vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-hair);
}

.page-contact__route {
  padding: 1.05rem 0 1.05rem 1.05rem;
  border-bottom: 1px solid var(--pc-hair);
  border-left: 2px solid var(--xp-cyan);
  background: linear-gradient(90deg, rgba(53, 232, 208, 0.06), transparent 62%);
}

.page-contact__route-name {
  margin: 0 0 0.4rem;
  font-family: var(--xp-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--xp-porcelain);
}

.page-contact__route-desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--xp-soft);
}

/* ---- 03 内容合作 ---- */
.page-contact__coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.4rem);
  margin-top: clamp(1.4rem, 4vw, 2.1rem);
}

.page-contact__coop-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-hair);
}

.page-contact__coop-list li {
  padding: 1.1rem 1rem;
  border-bottom: 1px solid var(--pc-hair);
  border-left: 2px solid var(--xp-mist);
  transition: border-left-color 200ms ease, background-color 200ms ease;
}

.page-contact__coop-list li:hover,
.page-contact__coop-list li:focus-within {
  border-left-color: var(--xp-orange);
  background: rgba(255, 122, 47, 0.07);
}

.page-contact__coop-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--xp-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--xp-porcelain);
}

.page-contact__coop-list p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--xp-soft);
}

.page-contact__coop-aside {
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: linear-gradient(155deg, rgba(21, 32, 72, 0.95), rgba(14, 23, 56, 0.95));
  border: 1px solid var(--pc-hair);
  border-top: 2px solid var(--xp-cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact__aside-title {
  margin: 0 0 0.9rem;
  font-family: var(--xp-font-display);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--xp-cyan);
}

.page-contact__checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pc-check;
}

.page-contact__checklist li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--xp-soft);
}

.page-contact__checklist li::before {
  counter-increment: pc-check;
  content: counter(pc-check, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05rem;
  font-family: var(--xp-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--xp-orange);
}

.page-contact__aside-note {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--pc-hair);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--xp-mist);
}

/* ---- 04 社群与观赛场景 ---- */
.page-contact__scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(1.4rem, 4vw, 2.1rem);
  background: var(--pc-hair);
  border: 1px solid var(--pc-hair);
}

.page-contact__scene {
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: rgba(11, 18, 44, 0.9);
  transition: background-color 220ms ease;
}

.page-contact__scene:hover {
  background: var(--xp-indigo);
}

.page-contact__scene-num {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--xp-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--xp-cyan);
}

.page-contact__scene h3 {
  margin: 0 0 0.45rem;
  font-family: var(--xp-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--xp-porcelain);
}

.page-contact__scene p {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.78;
  color: var(--xp-soft);
}

/* ---- 05 地址与到访 ---- */
.page-contact__visit-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.4rem);
  padding: clamp(1.35rem, 4vw, 2.4rem);
  background: linear-gradient(135deg, rgba(21, 32, 72, 0.96), rgba(7, 13, 34, 0.96));
  border: 1px solid var(--pc-hair);
  border-left: 3px solid var(--xp-orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact__visit-main {
  min-width: 0;
}

.page-contact__addr {
  margin: 0.9rem 0 0.75rem;
  font-family: var(--xp-font-display);
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.45;
  color: var(--xp-porcelain);
}

.page-contact__visit-desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--xp-soft);
}

.page-contact__visit-meta {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact__visit-meta > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact__visit-meta dt {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--xp-mist);
}

.page-contact__visit-meta dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--xp-porcelain);
  word-break: break-word;
}

.page-contact__visit-meta dd a {
  color: var(--xp-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 232, 208, 0.4);
}

/* ---- 06 更新提醒 ---- */
.page-contact__alerts-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.4rem);
  align-items: start;
}

.page-contact__alerts-copy {
  min-width: 0;
}

.page-contact__alert-options {
  display: grid;
  gap: 0.85rem;
}

.page-contact__alert-option {
  position: relative;
  padding: 1rem 1.1rem 1rem 1.3rem;
  background: rgba(21, 32, 72, 0.7);
  border: 1px solid var(--pc-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-contact__alert-option::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--xp-cyan), rgba(53, 232, 208, 0));
}

.page-contact__alert-option:hover {
  border-color: rgba(53, 232, 208, 0.4);
  background: var(--pc-panel);
}

.page-contact__alert-option h3 {
  margin: 0 0 0.4rem;
  font-family: var(--xp-font-display);
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--xp-porcelain);
}

.page-contact__alert-option p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.75;
  color: var(--xp-soft);
}

.page-contact__alerts-note {
  margin: clamp(1.2rem, 3vw, 1.6rem) 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--xp-mist);
}

.page-contact__alerts-note a {
  color: var(--xp-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 232, 208, 0.4);
}

/* ---- 延伸入口 ---- */
.page-contact__more-list {
  margin: clamp(1.2rem, 3vw, 1.7rem) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-contact__more-list a {
  display: block;
  padding: 1rem 1.15rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--xp-porcelain);
  text-decoration: none;
  background: rgba(14, 23, 56, 0.7);
  border: 1px solid var(--pc-hair);
  border-left: 2px solid var(--xp-mist);
  transition: border-left-color 200ms ease, background-color 200ms ease, transform 200ms ease;
}

.page-contact__more-list a:hover,
.page-contact__more-list a:focus-visible {
  border-left-color: var(--xp-cyan);
  background: rgba(21, 32, 72, 0.95);
  transform: translateY(-4px);
}

/* ---- 响应式 ---- */
@media (min-width: 720px) {
  .page-contact__scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-contact__channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact__channel {
    flex-direction: column;
    align-items: stretch;
  }

  .page-contact__tick {
    width: 100%;
    min-width: 0;
    padding-left: 0;
    padding-top: 0.85rem;
    border-left: 0;
    border-top: 1px dashed var(--pc-hair);
    text-align: left;
  }

  .page-contact__tick-num {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

@media (min-width: 860px) {
  .page-contact__visit-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 900px) {
  .page-contact__hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact__scope-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact__coop-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-contact__alerts-panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 3.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact__channel,
  .page-contact__more-list a,
  .page-contact__jump a,
  .page-contact__alert-option,
  .page-contact__scene,
  .page-contact__coop-list li {
    transition: none;
  }

  .page-contact__channel:hover,
  .page-contact__channel:focus-within,
  .page-contact__more-list a:hover,
  .page-contact__more-list a:focus-visible {
    transform: none;
  }
}