.page-contact{
  --contact-pad:clamp(40px,6vw,80px);
  color:var(--paper);
  font-family:var(--font-body);
  background:
    radial-gradient(120% 80% at 84% -12%, rgba(23,74,58,.55) 0%, rgba(11,15,13,0) 62%),
    var(--ink);
  overflow-x:clip;
}
.page-contact a{color:inherit}
.page-contact h1,.page-contact h2,.page-contact h3,.page-contact p,
.page-contact ul,.page-contact ol,.page-contact figure,.page-contact figcaption{margin:0}
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* 面包屑与首屏 */
.page-contact .contact-crumb{padding-top:clamp(14px,2vw,24px)}
.page-contact .contact-hero{position:relative;border-bottom:1px solid var(--line)}
.page-contact .contact-hero::after{content:"";position:absolute;left:0;bottom:-1px;width:38%;height:3px;background:var(--lime)}
.page-contact .contact-hero-grid{
  display:grid;
  gap:clamp(24px,4vw,48px);
  padding-block:clamp(26px,4.6vw,60px) clamp(32px,5vw,64px);
}
.page-contact .hero-lead h1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(34px,6.6vw,64px);
  line-height:1.03;
  letter-spacing:-.01em;
  margin-top:14px;
}
.page-contact .lede{
  font-family:var(--font-serif);
  font-size:clamp(16px,1.6vw,18px);
  line-height:1.85;
  color:rgba(244,241,232,.84);
  margin-top:18px;
  max-width:44ch;
}
.page-contact .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* 首屏右侧命令栏 */
.page-contact .hero-desk{
  display:grid;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line-strong);
  align-self:start;
  box-shadow:8px 8px 0 rgba(198,255,74,.08);
}
.page-contact .desk-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:14px;
  padding:16px 16px;
  background:var(--ink-soft);
  text-decoration:none;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.page-contact .desk-item:hover,
.page-contact .desk-item:focus-visible{background:var(--pitch)}
.page-contact .desk-index{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--lime);
  border:1px solid var(--lime-dim);
  padding:4px 6px;
  line-height:1;
}
.page-contact .desk-body{display:grid;gap:3px;min-width:0}
.page-contact .desk-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  line-height:1.15;
}
.page-contact .desk-desc{font-size:12px;color:var(--mist);line-height:1.5}
.page-contact .desk-arrow{
  width:8px;height:8px;
  border-right:2px solid var(--mist);
  border-bottom:2px solid var(--mist);
  transform:rotate(-45deg);
  transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.page-contact .desk-item:hover .desk-arrow{border-color:var(--lime);transform:rotate(-45deg) translate(2px,2px)}
.page-contact .desk-foot{
  background:var(--ink);
  padding:12px 16px;
  font-size:12px;
  color:var(--mist);
  letter-spacing:.02em;
}
.page-contact .desk-foot .mono{color:var(--amber);margin-right:8px}

/* 章节骨架 */
.page-contact .contact-section{
  padding-block:clamp(40px,6vw,80px);
  border-bottom:1px solid var(--line);
}
.page-contact .contact-section--last{border-bottom:0}
.page-contact .cs-head{
  display:grid;
  gap:10px;
  align-items:end;
  padding-bottom:16px;
  border-bottom:1px dashed var(--line-strong);
}
.page-contact .cs-head-text .kicker{margin-bottom:6px}
.page-contact .section-note{
  font-size:13px;
  color:var(--mist);
  max-width:38ch;
}

/* 反馈类型 */
.page-contact .route-list{
  margin-top:clamp(20px,3vw,32px);
  border-top:1px solid var(--line-strong);
}
.page-contact .route-item{border-bottom:1px solid var(--line)}
.page-contact .route-summary{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(12px,2vw,20px);
  padding:clamp(14px,2vw,20px) 0;
  cursor:pointer;
  list-style:none;
}
.page-contact .route-summary::-webkit-details-marker{display:none}
.page-contact .route-index{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--lime);
  border:1px solid var(--lime-dim);
  padding:5px 7px;
  line-height:1;
  align-self:start;
  margin-top:4px;
}
.page-contact .route-text{display:block;min-width:0}
.page-contact .route-title{
  display:block;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(19px,2.4vw,26px);
  line-height:1.15;
  transition:color .16s var(--ease);
}
.page-contact .route-desc{
  display:block;
  margin-top:5px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--mist);
}
.page-contact .route-caret{
  width:11px;height:11px;
  border-right:2px solid var(--mist);
  border-bottom:2px solid var(--mist);
  transform:rotate(45deg);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.page-contact .route-item[open] .route-caret{transform:rotate(-135deg);border-color:var(--lime)}
.page-contact .route-item[open] .route-title{color:var(--lime)}
.page-contact .route-panel{
  display:grid;
  gap:14px;
  padding-bottom:clamp(18px,3vw,26px);
  animation:contact-fade .18s var(--ease) both;
}
.page-contact .route-panel > p{
  font-size:14.5px;
  line-height:1.8;
  color:rgba(244,241,232,.78);
  max-width:62ch;
}
.page-contact .route-panel a{
  color:var(--lime);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-contact .check-list{
  list-style:none;
  padding:0;
  display:grid;
  gap:9px;
}
.page-contact .check-list li{
  position:relative;
  padding-left:26px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--mist);
}
.page-contact .check-list li::before{
  content:"";
  position:absolute;left:0;top:2px;
  width:14px;height:14px;
  border:1px solid var(--lime-dim);
}
.page-contact .check-list li::after{
  content:"";
  position:absolute;left:4px;top:6px;
  width:7px;height:3px;
  border-left:2px solid var(--lime);
  border-bottom:2px solid var(--lime);
  transform:rotate(-45deg);
}
@keyframes contact-fade{
  from{opacity:0;transform:translateY(-4px)}
  to{opacity:1;transform:translateY(0)}
}

/* 渠道 */
.page-contact .channels-grid{
  display:grid;
  gap:clamp(24px,4vw,44px);
  align-items:start;
}
.page-contact .channels-media figcaption,
.page-contact .flow-media figcaption{
  margin-top:10px;
  font-size:12px;
  line-height:1.6;
  color:var(--mist);
  font-family:var(--font-serif);
}
.page-contact .channels-body h2,
.page-contact .checklist-intro h2,
.page-contact .community-body h2,
.page-contact .flow-body h2,
.page-contact .privacy-copy h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(26px,3.6vw,36px);
  line-height:1.1;
  margin-top:8px;
}
.page-contact .channels-lede{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:rgba(244,241,232,.8);
  max-width:56ch;
}
.page-contact .channel-list{
  list-style:none;
  padding:0;
  margin-top:22px;
  display:grid;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line-strong);
}
.page-contact .channel-line{
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:8px 12px;
  padding:14px 16px;
  background:var(--ink-soft);
}
.page-contact .channel-label{
  grid-column:1/-1;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}
.page-contact .channel-value{
  font-family:var(--font-mono);
  font-size:clamp(15px,2.4vw,19px);
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--paper);
  text-decoration:none;
  overflow-wrap:anywhere;
  min-width:0;
}
.page-contact .channel-value--text{font-family:var(--font-body);font-size:15px;line-height:1.6}
.page-contact a.channel-value:hover,
.page-contact a.channel-value:focus-visible{color:var(--lime)}
.page-contact .copy-btn{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  padding:7px 11px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--mist);
  border-radius:var(--radius);
  cursor:pointer;
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible{border-color:var(--lime);color:var(--lime)}
.page-contact .copy-status{
  grid-column:1/-1;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--lime);
  line-height:1.4;
}
.page-contact .copy-status:empty{display:none}
.page-contact .note-strip{
  margin-top:18px;
  font-size:13px;
  line-height:1.7;
}

/* 准备清单 */
.page-contact .checklist-grid{display:grid;gap:clamp(24px,4vw,48px)}
.page-contact .checklist-intro p{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:rgba(244,241,232,.8);
  max-width:40ch;
}
.page-contact .checklist-link{margin-top:22px;display:inline-block}
.page-contact .check-grid{
  list-style:none;
  padding:0;
  display:grid;
  gap:12px;
  counter-reset:none;
}
.page-contact .check-grid li{
  position:relative;
  padding:16px 16px 16px 44px;
  background:var(--ink-soft);
  border:1px solid var(--line);
  border-left:2px solid var(--pitch);
  border-radius:var(--radius);
}
.page-contact .check-grid li::before{
  content:"";
  position:absolute;left:17px;top:20px;
  width:12px;height:6px;
  border-left:2px solid var(--lime);
  border-bottom:2px solid var(--lime);
  transform:rotate(-45deg);
}
.page-contact .check-grid h3{
  font-family:var(--font-display);
  font-weight:700;
  font-size:17px;
  line-height:1.25;
  color:var(--paper);
}
.page-contact .check-grid p{
  margin-top:6px;
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}

/* 社群 */
.page-contact .community-grid{display:grid;gap:clamp(22px,3.5vw,40px);align-items:start}
.page-contact .community-card{
  color:var(--ink);
  background:var(--paper);
  border:1px solid #d8d2c2;
  padding:clamp(20px,3vw,32px);
  box-shadow:10px 10px 0 rgba(198,255,74,.16);
}
.page-contact .community-num{
  font-family:var(--font-mono);
  font-size:clamp(44px,7vw,68px);
  line-height:1;
  font-weight:600;
  color:var(--pitch);
  letter-spacing:-.03em;
}
.page-contact .community-cap{
  margin-top:12px;
  font-family:var(--font-serif);
  font-size:14px;
  line-height:1.8;
  color:#2a3b33;
}
.page-contact .community-body p{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:rgba(244,241,232,.8);
  max-width:58ch;
}
.page-contact .community-points{
  list-style:none;
  padding:0;
  margin-top:22px;
  display:grid;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.page-contact .community-points li{
  background:var(--ink-soft);
  padding:12px 14px;
  font-size:13px;
  line-height:1.65;
  color:var(--mist);
}
.page-contact .community-points .mono{
  display:inline-block;
  min-width:46px;
  color:var(--amber);
  font-size:11px;
  letter-spacing:.12em;
  margin-right:8px;
}

/* 流程 */
.page-contact .flow-grid{display:grid;gap:clamp(24px,4vw,44px);align-items:center}
.page-contact .flow-steps{
  list-style:none;
  padding:0;
  margin-top:24px;
  display:grid;
  gap:18px;
}
.page-contact .flow-steps li{
  position:relative;
  padding-left:48px;
  counter-increment:step;
}
.page-contact .flow-steps{counter-reset:step}
.page-contact .flow-steps li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  width:26px;
  text-align:center;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1;
  color:var(--ink);
  background:var(--lime);
  padding:6px 0;
}
.page-contact .flow-steps li::after{
  content:"";
  position:absolute;
  left:12px;top:28px;bottom:-14px;
  border-left:1px dashed rgba(244,241,232,.2);
}
.page-contact .flow-steps li:last-child::after{display:none}
.page-contact .flow-steps h3{
  font-family:var(--font-display);
  font-weight:700;
  font-size:18px;
  line-height:1.2;
}
.page-contact .flow-steps p{
  margin-top:6px;
  font-size:13.5px;
  line-height:1.8;
  color:var(--mist);
  max-width:46ch;
}

/* 隐私 */
.page-contact .privacy-band{
  display:grid;
  gap:clamp(20px,3vw,40px);
  padding:clamp(20px,3.4vw,36px);
  border:1px solid var(--line-strong);
  background:var(--ink-soft);
  box-shadow:inset 0 0 0 1px rgba(198,255,74,.08);
}
.page-contact .privacy-copy p{
  margin-top:14px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(244,241,232,.78);
  max-width:60ch;
}
.page-contact .privacy-links{
  list-style:none;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line);
  align-content:start;
}
.page-contact .privacy-links a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  background:var(--ink);
  font-size:13.5px;
  text-decoration:none;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.page-contact .privacy-links a::after{
  content:"→";
  font-family:var(--font-mono);
  color:var(--lime);
  font-size:12px;
}
.page-contact .privacy-links a:hover,
.page-contact .privacy-links a:focus-visible{background:var(--pitch);color:var(--paper)}

/* 响应式 */
@media (min-width:640px){
  .page-contact .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-contact .cs-head{grid-template-columns:1fr auto}
}
@media (min-width:900px){
  .page-contact .contact-hero-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}
  .page-contact .channels-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
  .page-contact .checklist-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}
  .page-contact .community-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
  .page-contact .flow-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
  .page-contact .privacy-band{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:start}
  .page-contact .route-panel{padding-left:calc(34px + clamp(12px,2vw,20px))}
}
@media (min-width:1180px){
  .page-contact .desk-item{padding:18px 20px}
  .page-contact .channel-line{padding:16px 18px}
}
@media (prefers-reduced-motion:reduce){
  .page-contact .route-panel{animation:none}
  .page-contact .desk-item,
  .page-contact .copy-btn,
  .page-contact .desk-arrow,
  .page-contact .route-caret{transition:none}
}
<<<END>>>