.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-pad: clamp(20px, 2.8vw, 32px);
  --pc-shear: polygon(0 0, 100% 0, 100% 84%, 90% 100%, 0 100%);
}

/* ---------- 面包屑 ---------- */
.page-contact .page-contact__crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-contact .breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--line);
  font-family: var(--font-mono);
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

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

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(30px, 5vw, 68px) 0 clamp(34px, 5vw, 72px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__copy .lede {
  margin-top: 18px;
  max-width: 42em;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .contact-hero__pings {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
  grid-template-columns: 1fr;
}

@media (min-width: 620px) {
  .page-contact .contact-hero__pings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .ping {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(20, 27, 38, 0.6);
}

.page-contact .ping-dot {
  grid-row: 1 / span 2;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(182, 255, 46, 0.14);
}

.page-contact .ping-dot--orange {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, 0.16);
}

.page-contact .ping-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-contact .ping-value {
  font-size: 13px;
  color: var(--white);
  letter-spacing: 0.02em;
}

/* 记分牌视觉 */
.page-contact .contact-hero__board {
  position: relative;
  padding: clamp(24px, 3.4vw, 36px);
  background: linear-gradient(158deg, var(--panel) 0%, #0b111c 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  clip-path: var(--pc-shear);
  box-shadow: var(--shadow-lift);
}

.page-contact .contact-hero__board::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 34px,
    rgba(38, 48, 61, 0.55) 34px 35px
  );
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .board-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .board-led {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  animation: pc-blink 1.6s steps(2, end) infinite;
}

@keyframes pc-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.25; }
}

.page-contact .board-tag {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .board-figure {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .board-num {
  font-size: clamp(58px, 11vw, 96px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-contact .board-suffix {
  font-size: clamp(20px, 3vw, 28px);
  color: var(--white);
  letter-spacing: 0.06em;
}

.page-contact .board-note {
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-contact .board-strip {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
}

.page-contact .board-bar {
  display: block;
  height: 5px;
  border-radius: var(--r-pill);
  background: var(--line);
}

.page-contact .board-bar--a { width: 86%; background: var(--lime); }
.page-contact .board-bar--b { width: 58%; background: var(--moss); }
.page-contact .board-bar--c { width: 34%; background: var(--clay); }

/* ---------- 合作方向 ---------- */
.page-contact .contact-tracks .track-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

@media (min-width: 780px) {
  .page-contact .contact-tracks .track-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .contact-tracks .track-card:nth-child(2) {
    transform: translateY(26px);
  }
  .page-contact .contact-tracks .track-card:nth-child(3) {
    transform: translateY(10px);
  }
}

.page-contact .track-card {
  position: relative;
  padding: var(--pc-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  border-radius: var(--r-md);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-contact .track-card:nth-child(2) { border-left-color: var(--orange); }
.page-contact .track-card:nth-child(3) { border-left-color: var(--moss); }

.page-contact .track-card:hover {
  transform: translateY(-4px);
  border-color: var(--lime);
}

.page-contact .track-card:nth-child(2):hover { border-color: var(--orange); }
.page-contact .track-card:nth-child(3):hover { border-color: var(--moss); }

.page-contact .track-index {
  display: block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .track-name {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .track-desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .track-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .track-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--white);
}

.page-contact .track-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-contact .contact-tracks .track-visual {
  margin: clamp(34px, 5vw, 64px) 0 0;
}

/* ---------- 联系方式 ---------- */
.page-contact .channel-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 36px);
}

@media (min-width: 740px) {
  .page-contact .channel-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .channel-cell--addr {
    grid-column: 1 / -1;
  }
}

.page-contact .channel-cell {
  position: relative;
  padding: var(--pc-pad);
  background: #101825;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .channel-cell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--line);
}

.page-contact .channel-cell--mail::before { background: var(--lime); }
.page-contact .channel-cell--tel::before { background: var(--orange); }
.page-contact .channel-cell--addr::before { background: var(--moss); }

.page-contact .channel-index {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-contact .channel-name {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .channel-value {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.4vw, 24px);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-word;
}

.page-contact .channel-cell--mail .channel-value {
  color: var(--lime);
}

.page-contact .channel-cell--tel .channel-value {
  font-size: clamp(24px, 4vw, 36px);
  color: var(--orange);
  letter-spacing: 0.03em;
}

.page-contact .channel-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .contact-channels__shot {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-sla__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 52px);
}

@media (min-width: 900px) {
  .page-contact .contact-sla__inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

.page-contact .contact-sla__head .lede {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.78;
}

.page-contact .sla-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: pc-sla;
}

.page-contact .sla-step {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 30px) clamp(28px, 4vw, 44px);
  border-left: 1px solid var(--line);
}

.page-contact .sla-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .sla-step::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
}

.page-contact .sla-step:nth-child(2)::before { border-color: var(--orange); }
.page-contact .sla-step:nth-child(3)::before { border-color: var(--moss); }

.page-contact .sla-index {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .sla-name {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--white);
}

.page-contact .sla-desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 内容纠错 ---------- */
.page-contact .contact-fix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 48px);
}

@media (min-width: 900px) {
  .page-contact .contact-fix__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

.page-contact .contact-fix__copy .lede {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .fix-list {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .fix-list li {
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 15px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .fix-list strong {
  color: var(--white);
  font-weight: 600;
}

.page-contact .contact-fix__card {
  padding: var(--pc-pad);
}

.page-contact .contact-fix__card .tag {
  margin: 0;
}

.page-contact .contact-fix__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: #2a3340;
}

.page-contact .contact-fix__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(38, 48, 61, 0.4);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: #1c2532;
  word-break: break-word;
}

/* ---------- 常见合作问题 ---------- */
.page-contact .contact-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .contact-faq .faq-item + .faq-item {
  margin-top: 12px;
}

.page-contact .contact-faq .faq-item[open] {
  border-color: rgba(182, 255, 46, 0.42);
}

.page-contact .contact-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  transition: color var(--t-fast) var(--ease);
}

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

.page-contact .contact-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .contact-faq .faq-item[open] summary::after {
  content: "\2212";
}

.page-contact .contact-faq summary:hover,
.page-contact .contact-faq summary:focus-visible {
  color: var(--lime);
}

.page-contact .faq-body {
  padding: 0 clamp(18px, 2.4vw, 24px) 20px;
}

.page-contact .faq-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .faq-body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 46, 0.4);
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .faq-body a:hover,
.page-contact .faq-body a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-close__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(120deg, #101825 0%, var(--panel) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 5% 100%, 0 84%);
}

@media (min-width: 840px) {
  .page-contact .contact-close__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.page-contact .contact-close__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .contact-close__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 840px) {
  .page-contact .contact-close__links {
    justify-content: flex-end;
    max-width: 340px;
  }
}

.page-contact .contact-close__links .btn {
  text-decoration: none;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .board-led {
    animation: none;
  }
  .page-contact .track-card,
  .page-contact .breadcrumbs a,
  .page-contact .contact-faq summary {
    transition: none;
  }
  .page-contact .track-card:hover {
    transform: none;
  }
  .page-contact .contact-tracks .track-card:nth-child(2),
  .page-contact .contact-tracks .track-card:nth-child(3) {
    transform: none;
  }
}
<<<END>>>