.page-contact {
  --contact-blob-a: rgba(0, 232, 210, .10);
  --contact-blob-b: rgba(255, 138, 61, .12);
  --contact-panel: rgba(13, 39, 64, .55);
  --contact-panel-strong: rgba(13, 39, 64, .88);
  position: relative;
  overflow-x: clip;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 5vw, 40px) 0 clamp(36px, 7vw, 76px);
  background: linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 82%);
  isolation: isolate;
}

.page-contact .contact-hero__blob {
  position: absolute;
  z-index: 0;
  width: min(520px, 78vw);
  aspect-ratio: 1 / 1;
  border-radius: 58% 42% 47% 53% / 46% 55% 45% 54%;
  background: radial-gradient(circle at 40% 40%, var(--contact-blob-a), transparent 68%);
  top: -18%;
  right: -14%;
  pointer-events: none;
}

.page-contact .contact-hero__blob--alt {
  top: auto;
  bottom: -32%;
  left: -18%;
  right: auto;
  border-radius: 45% 55% 60% 40% / 52% 44% 56% 48%;
  background: radial-gradient(circle at 60% 50%, var(--contact-blob-b), transparent 66%);
}

.page-contact .contact-hero__frame {
  position: relative;
  z-index: 1;
  margin-top: clamp(18px, 4vw, 32px);
  padding: clamp(20px, 4vw, 46px);
  border: 1px solid var(--hair);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, rgba(13, 39, 64, .88), rgba(7, 26, 46, .58));
  box-shadow: var(--shadow-band);
}

.page-contact .contact-hero__scale {
  display: block;
  height: 12px;
  margin-bottom: clamp(16px, 3vw, 26px);
  background-image: repeating-linear-gradient(90deg, var(--hair) 0 1px, transparent 1px 26px);
  opacity: .95;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 7.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 3vw, 24px) 0 0;
  max-width: 64ch;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.5vw, 30px);
}

/* ---------- 双栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 64px);
  padding-bottom: clamp(48px, 9vw, 104px);
}

.page-contact .contact-axis__sticky {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(280px, 3fr) minmax(0, 9fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-contact .contact-axis__sticky {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

/* ---------- 左栏信息牌 ---------- */
.page-contact .contact-board {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--hair);
  border-radius: var(--radius-m);
  background: linear-gradient(165deg, var(--contact-panel-strong), rgba(7, 26, 46, .92));
}

.page-contact .contact-board__list {
  list-style: none;
  margin: clamp(14px, 2.5vw, 20px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-board__item {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--hair-soft);
}

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

.page-contact .contact-board__key {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .contact-board__val {
  font-family: var(--font-num);
  font-size: clamp(.95rem, 3.4vw, 1.05rem);
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-board__val--text {
  font-family: var(--font-body);
  font-size: .98rem;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}

.page-contact .copy-btn:hover {
  background: rgba(0, 232, 210, .14);
}

.page-contact .contact-board__note {
  margin: clamp(16px, 3vw, 22px) 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-board__figure {
  margin: 0;
}

.page-contact .contact-board__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--radius-m);
}

.page-contact .contact-board__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 右栏说明块 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: clamp(36px, 7vw, 88px);
}

.page-contact .contact-block {
  position: relative;
}

.page-contact .contact-block--band {
  padding: clamp(22px, 4vw, 44px);
  border-radius: var(--radius-l);
  background: var(--ink-800);
}

.page-contact .contact-block__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-contact .contact-block__lede {
  margin: clamp(12px, 2.5vw, 18px) 0 0;
  max-width: 68ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* 两条通道 */
.page-contact .contact-pairs {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
  margin-top: clamp(20px, 3.5vw, 32px);
}

@media (min-width: 768px) {
  .page-contact .contact-pairs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .contact-pair {
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-m);
  background: var(--contact-panel);
}

.page-contact .contact-pair__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .contact-pair__body {
  margin: 10px 0 0;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* 邮件写法 */
.page-contact .mail-grid {
  margin-top: clamp(20px, 3.5vw, 32px);
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

@media (min-width: 900px) {
  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }
}

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

.page-contact .mail-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
}

.page-contact .mail-list__num {
  padding-top: 4px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .mail-list__title {
  margin: 0;
  font-weight: 600;
  font-size: 1.02rem;
}

.page-contact .mail-list__text {
  margin: 6px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-contact .fb-types {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .fb-types__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .fb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .fb-chips .chip {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: .9rem;
}

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

.page-contact .type-panel {
  padding: clamp(16px, 3vw, 22px);
  border-radius: var(--radius-m);
  border-left: 3px solid var(--cyan-dim);
  background: var(--contact-panel);
}

.page-contact .type-panel__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .type-panel__text {
  margin: 8px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-contact .mail-figure {
  margin: 0;
}

.page-contact .mail-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-m);
}

.page-contact .mail-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 处理流程 */
.page-contact .flow-steps {
  display: grid;
  gap: clamp(20px, 3.5vw, 28px);
  margin-top: clamp(20px, 3.5vw, 34px);
}

@media (min-width: 900px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .flow-step {
  position: relative;
  padding-top: 22px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--orange);
}

.page-contact .flow-step__stage {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange-soft);
}

.page-contact .flow-step__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -.005em;
}

.page-contact .flow-step__body {
  margin: 10px 0 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* 赛程纠错 */
.page-contact .correction {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin-top: clamp(20px, 3.5vw, 32px);
}

@media (min-width: 768px) {
  .page-contact .correction {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .correction__card {
  padding: clamp(18px, 3vw, 24px);
  border-radius: var(--radius-m);
  background: linear-gradient(170deg, rgba(13, 39, 64, .7), rgba(7, 26, 46, .55));
}

.page-contact .correction__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .correction__big {
  margin: 10px 0 0;
  font-family: var(--font-num);
  font-size: clamp(1.7rem, 6vw, 2.4rem);
  line-height: 1.1;
  font-weight: 700;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .correction__body {
  margin: 12px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* 其他入口 */
.page-contact .entry-links {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3.5vw, 30px);
}

@media (min-width: 768px) {
  .page-contact .entry-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .entry-link {
  display: block;
  min-height: 44px;
  padding: clamp(16px, 3vw, 20px);
  border-radius: var(--radius-m);
  background: var(--contact-panel);
  color: var(--paper);
  text-decoration: none;
  transition: background-color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .entry-link:hover {
  background: rgba(0, 232, 210, .12);
  transform: translateY(-2px);
}

.page-contact .entry-link__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.page-contact .entry-link__text {
  display: block;
  margin-top: 8px;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 折叠问答 */
.page-contact .faq-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .faq-item {
  border-radius: var(--radius-m);
  background: var(--contact-panel);
  overflow: hidden;
}

.page-contact .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.6;
}

.page-contact .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 1.1rem;
  color: var(--cyan);
}

.page-contact .faq-item[open] summary::after {
  content: "–";
}

.page-contact .faq-item__a {
  margin: 0;
  padding: 0 18px 18px;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .entry-link {
    transition: none;
  }

  .page-contact .entry-link:hover {
    transform: none;
  }
}