.page-contact {
  --pc-cut: 18px;
  --pc-gap: clamp(16px, 2.6vw, 28px);
  --pc-lift: #fcf8ef;
  background: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

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

.page-contact :focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-contact a {
  color: var(--green-700);
  text-decoration-color: var(--cyan-400);
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(155deg, var(--ink-950) 0%, var(--green-700) 76%, var(--ink-900) 100%);
  color: var(--paper-100);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 74, 63, 0.85) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(42, 74, 63, 0.65) 0 1px, transparent 1px 92px);
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--frame-max);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(30px, 5vw, 64px);
}

.page-contact .contact-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  margin-bottom: clamp(22px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-dark);
}

.page-contact .breadcrumbs-link {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .breadcrumbs-link:hover {
  color: var(--cyan-400);
  border-bottom-color: currentColor;
}

.page-contact .breadcrumbs-sep {
  color: var(--line);
}

.page-contact .hero-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.page-contact h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--paper-100);
}

.page-contact .contact-lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--muted-dark);
}

.page-contact .quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .quick-nav a {
  display: inline-block;
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-200);
  text-decoration: none;
  border: 1px solid rgba(47, 243, 208, 0.35);
  background: rgba(47, 243, 208, 0.06);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .quick-nav a:hover {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
  background: rgba(47, 243, 208, 0.16);
}

/* ---------- 主体容器 ---------- */
.page-contact .contact-body {
  max-width: var(--frame-max);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 46px) var(--gutter) clamp(36px, 5vw, 64px);
}

/* ---------- 联系摘要板 ---------- */
.page-contact .contact-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 30px);
  color: var(--paper-100);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(47, 243, 208, 0.16), transparent 62%),
    linear-gradient(160deg, var(--ink-950), var(--green-700));
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
  box-shadow: 0 22px 44px -30px rgba(6, 19, 15, 0.95);
}

.page-contact .card-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-200);
}

.page-contact .contact-card-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .contact-card-media {
  margin: 16px 0 6px;
  border-left: 2px solid var(--cyan-400);
  overflow: hidden;
}

.page-contact .contact-card-media img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact .contact-item {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-top: 1px dashed rgba(155, 251, 234, 0.24);
}

.page-contact .contact-item-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-200);
}

.page-contact .contact-item-value {
  font-size: clamp(15.5px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper-100);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--dur) ease;
}

.page-contact a.contact-item-value {
  border-bottom: 1px solid rgba(47, 243, 208, 0.45);
  justify-self: start;
}

.page-contact a.contact-item-value:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-contact .contact-item-value--num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(23px, 3.2vw, 30px);
  letter-spacing: 0.02em;
  color: var(--amber-400);
}

.page-contact .contact-item-value--addr {
  font-size: 15px;
  line-height: 1.68;
}

.page-contact .contact-item-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-dark);
}

.page-contact .contact-card-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper-100);
  background: rgba(6, 19, 15, 0.55);
  border-left: 3px solid var(--amber-400);
}

/* ---------- 反馈指引 ---------- */
.page-contact .contact-guide {
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--pc-lift);
  border: 1px solid var(--paper-200);
  border-top: 3px solid var(--amber-400);
  box-shadow: 0 18px 38px -32px rgba(6, 19, 15, 0.8);
}

.page-contact .guide-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-600);
}

.page-contact .guide-title {
  margin: 8px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.2;
  color: var(--ink-950);
}

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

.page-contact .checklist-item {
  position: relative;
  padding-left: 30px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .checklist-item strong {
  color: var(--ink-950);
}

.page-contact .checklist-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 17px;
  height: 17px;
  background: var(--cyan-400);
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}

.page-contact .checklist-item::after {
  content: "✓";
  position: absolute;
  left: 4px;
  top: 2px;
  font-size: 11px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink-950);
}

.page-contact .response-panel {
  margin-top: clamp(18px, 2.6vw, 26px);
  padding: 16px 18px;
  background: var(--paper-200);
  border-left: 4px solid var(--amber-400);
}

.page-contact .response-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--ink-950);
}

.page-contact .response-list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .response-row {
  display: grid;
  gap: 2px;
}

.page-contact .response-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.page-contact .response-row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-950);
}

.page-contact .guide-links {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .guide-links a {
  font-weight: 700;
  color: var(--green-700);
}

.page-contact .guide-links a:hover {
  color: var(--amber-600);
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  margin-top: clamp(38px, 6vw, 70px);
}

.page-contact .cs-head {
  display: grid;
  gap: 10px;
  padding-top: 18px;
  margin-bottom: clamp(16px, 2.6vw, 26px);
  border-top: 1px solid var(--line);
}

.page-contact .cs-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-600);
}

.page-contact .cs-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink-950);
}

.page-contact .cs-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 赛程纠错 ---------- */
.page-contact .step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .step {
  padding: 18px 18px 20px;
  background: linear-gradient(160deg, var(--ink-950), var(--ink-900));
  color: var(--paper-100);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform var(--dur) ease, box-shadow var(--dur) ease;
}

.page-contact .step:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--cyan-400), 0 16px 30px -24px rgba(6, 19, 15, 0.9);
}

.page-contact .step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-400);
}

.page-contact .step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.25;
  color: var(--paper-100);
}

.page-contact .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted-dark);
}

.page-contact .fix-foot {
  margin: 18px 0 0;
  padding: 12px 0 12px 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
  border-left: 3px solid var(--cyan-400);
}

/* ---------- 版本与安装 ---------- */
.page-contact .version-panel {
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--paper-200);
  border: 1px solid rgba(107, 124, 140, 0.35);
  border-left: 5px solid var(--legacy-500);
}

.page-contact .version-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .version-list li {
  display: grid;
  gap: 8px;
  justify-items: start;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--text-muted);
}

.page-contact .version-list li a {
  font-weight: 700;
  color: var(--green-700);
}

.page-contact .version-list li a:hover {
  color: var(--amber-600);
}

/* ---------- 内容与数据合作 ---------- */
.page-contact .coop-panel {
  padding: clamp(20px, 3vw, 36px);
  color: var(--paper-100);
  background:
    repeating-linear-gradient(135deg, rgba(47, 243, 208, 0.05) 0 2px, transparent 2px 15px),
    linear-gradient(150deg, var(--ink-950), var(--ink-900));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .coop-panel .cs-head {
  padding-top: 0;
  margin-bottom: clamp(16px, 2.4vw, 24px);
  border-top: 0;
}

.page-contact .cs-eyebrow--light {
  color: var(--cyan-200);
}

.page-contact .cs-title--light {
  color: var(--paper-100);
}

.page-contact .cs-lede--light {
  color: var(--muted-dark);
}

.page-contact .coop-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .coop-media {
  margin: 0;
  border: 1px solid rgba(155, 251, 234, 0.22);
  overflow: hidden;
}

.page-contact .coop-media img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.88;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .coop-card {
  padding: 18px;
  background: rgba(18, 53, 41, 0.86);
  border: 1px solid rgba(47, 243, 208, 0.18);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-400);
}

.page-contact .coop-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--amber-400);
}

.page-contact .coop-card h3 {
  margin: 6px 0 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .coop-for {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
}

.page-contact .coop-card ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .coop-card li {
  position: relative;
  padding-left: 15px;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--paper-100);
}

.page-contact .coop-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan-400);
}

.page-contact .coop-need {
  margin: 14px 0 0;
  padding-top: 12px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--cyan-200);
  border-top: 1px dashed rgba(155, 251, 234, 0.28);
}

.page-contact .coop-foot {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted-dark);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .visit-panel {
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--pc-lift);
  border: 1px solid var(--paper-200);
  box-shadow: 0 18px 38px -34px rgba(6, 19, 15, 0.85);
}

.page-contact .visit-address {
  display: block;
  margin: 0 0 14px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--ink-950);
  background: var(--paper-200);
  border-left: 4px solid var(--amber-400);
}

.page-contact .visit-text {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .visit-meta {
  margin: 0;
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px dashed rgba(42, 74, 63, 0.4);
}

.page-contact .visit-meta-row {
  display: grid;
  gap: 2px;
}

.page-contact .visit-meta-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.page-contact .visit-meta-row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-950);
  overflow-wrap: anywhere;
}

.page-contact .visit-meta-row dd a {
  color: var(--green-700);
}

.page-contact .visit-meta-row dd a:hover {
  color: var(--amber-600);
}

/* ---------- 底部窄条 ---------- */
.page-contact .contact-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: clamp(30px, 4.5vw, 52px);
  padding: 14px 18px;
  background: var(--ink-950);
  border-left: 3px solid var(--legacy-500);
  font-size: 13px;
}

.page-contact .strip-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--legacy-300);
}

.page-contact .strip-sep {
  color: var(--line);
}

.page-contact .contact-strip a {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 251, 234, 0.4);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .contact-strip a:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-contact .response-row {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }

  .page-contact .visit-meta-row {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

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

  .page-contact .coop-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-board {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }
}
<<<END>>>