.page-contact{
  --pc-shadow:8px 8px 0 rgba(0,0,0,.55);
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  overflow-x:clip;
}
.page-contact *,
.page-contact *::before,
.page-contact *::after{box-sizing:border-box;}

/* 面包屑 */
.page-contact .breadcrumbs{padding-top:clamp(18px,3vw,30px);}
.page-contact .breadcrumb-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font-size:12px;letter-spacing:.1em;}
.page-contact .breadcrumb-item{color:var(--mist);}
.page-contact .breadcrumb-item + .breadcrumb-item::before{content:"/";margin-right:8px;color:var(--tile);}
.page-contact .breadcrumb-link{color:var(--mist);text-decoration:none;transition:color .18s;}
.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible{color:var(--yellow);}

/* 首屏 */
.page-contact .hero{position:relative;overflow:hidden;padding:clamp(22px,4vw,42px) 0 clamp(34px,5vw,62px);}
.page-contact .hero::before{content:"";position:absolute;inset:0 0 0 42%;background:linear-gradient(165deg,var(--slate) 0%,rgba(34,43,47,0) 72%);clip-path:polygon(16% 0,100% 7%,100% 100%,0 93%);z-index:0;pointer-events:none;}
.page-contact .hero-grid{position:relative;z-index:1;display:grid;gap:clamp(28px,4vw,48px);}
.page-contact .hero-kicker{display:inline-block;margin:0;padding:6px 11px;border:2px solid var(--yellow);font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--yellow);}
.page-contact .hero-title{margin:18px 0 0;font-family:var(--font-display);font-weight:900;font-size:clamp(2rem,5.4vw,4rem);line-height:1.06;letter-spacing:-.02em;transform:skewX(-2deg);}
.page-contact .hero-title em{font-style:normal;color:var(--yellow);}
.page-contact .hero-lede{margin:20px 0 0;max-width:60ch;font-size:clamp(.96rem,1.6vw,1.08rem);line-height:1.8;color:var(--mist);}
.page-contact .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(20px,3vw,28px);}
.page-contact .hero-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border:2px solid var(--tile);color:var(--paper);font-size:13px;font-weight:700;text-decoration:none;transition:border-color .18s,color .18s,transform .18s;}
.page-contact .hero-chip::before{content:"";width:8px;height:8px;background:var(--yellow);flex:0 0 auto;}
.page-contact .hero-chip--r::before{background:var(--red);}
.page-contact .hero-chip--c::before{background:var(--cyan);}
.page-contact .hero-chip:hover,
.page-contact .hero-chip:focus-visible{border-color:var(--yellow);color:var(--yellow);transform:translateX(2px);}
.page-contact .hero-visual{position:relative;padding:0 0 6px 10px;}
.page-contact .hero-visual::before{content:"";position:absolute;inset:-10px -10px 22px 22px;background:var(--yellow);clip-path:polygon(0 14%,100% 0,100% 86%,0 100%);z-index:0;}
.page-contact .hero-frame{position:relative;z-index:1;border:2px solid var(--ink);background:var(--slate);}
.page-contact .hero-frame img,
.page-contact .aside-frame img{display:block;width:100%;height:auto;object-fit:cover;}

/* 章节锚点条 */
.page-contact .anchor-bar{display:flex;overflow-x:auto;border-top:2px solid var(--tile);border-bottom:2px solid var(--tile);scrollbar-width:none;}
.page-contact .anchor-bar::-webkit-scrollbar{display:none;}
.page-contact .anchor-bar a{flex:0 0 auto;padding:13px 18px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--mist);text-decoration:none;border-right:2px solid var(--tile);transition:color .18s,background .18s;}
.page-contact .anchor-bar a:hover,
.page-contact .anchor-bar a:focus-visible{background:var(--yellow);color:var(--ink);}

/* 通用标题 */
.page-contact .section-head{margin-bottom:clamp(20px,3vw,32px);}
.page-contact .eyebrow{margin:0 0 10px;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--yellow);}
.page-contact .section-title{margin:0;font-family:var(--font-display);font-weight:800;font-size:clamp(1.45rem,3.3vw,2.25rem);line-height:1.16;letter-spacing:-.01em;}
.page-contact .section-lede{margin:12px 0 0;max-width:62ch;font-size:.96rem;line-height:1.8;color:var(--mist);}

.page-contact .channels,
.page-contact .tracks,
.page-contact .message,
.page-contact .scenes,
.page-contact .place{position:relative;padding:clamp(42px,6.5vw,86px) 0;}
.page-contact .tracks{background:var(--slate);}
.page-contact .scenes{background:var(--slate);}

/* 直连通道 */
.page-contact .channel-grid{display:grid;gap:14px;}
.page-contact .channel-card{position:relative;border:2px solid var(--tile);border-left:6px solid var(--yellow);background:var(--ink);padding:22px 20px 20px;}
.page-contact .channel-card--r{border-left-color:var(--red);}
.page-contact .channel-card--c{border-left-color:var(--cyan);}
.page-contact .channel-tag{margin:0 0 12px;font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--mist);}
.page-contact .channel-value{margin:0 0 12px;font-family:var(--font-mono);font-weight:600;font-size:clamp(.9rem,1.9vw,1.02rem);line-height:1.5;color:var(--paper);overflow-wrap:anywhere;}
.page-contact .channel-card--c .channel-value{font-size:1rem;}
.page-contact .channel-desc{margin:0 0 18px;font-size:.91rem;line-height:1.8;color:var(--mist);}

/* 复制按钮 */
.page-contact .copy-btn{border:2px solid var(--tile);background:transparent;color:var(--paper);font-family:var(--font-body);font-size:12px;font-weight:700;letter-spacing:.08em;padding:8px 13px;cursor:pointer;transition:background .18s,color .18s,border-color .18s;}
.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible{background:var(--yellow);border-color:var(--yellow);color:var(--ink);}

/* 合作方向 */
.page-contact .tracks-grid{display:grid;gap:clamp(24px,4vw,44px);}
.page-contact .track-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--tile);}
.page-contact .track-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;padding:20px 0;border-bottom:2px solid var(--tile);transition:background .2s;}
.page-contact .track-item:hover{background:rgba(243,198,78,.06);}
.page-contact .track-no{font-family:var(--font-mono);font-weight:600;font-size:.88rem;color:var(--yellow);padding-top:3px;}
.page-contact .track-title{margin:0 0 8px;font-family:var(--font-display);font-weight:800;font-size:1.05rem;letter-spacing:.01em;}
.page-contact .track-text{margin:0;font-size:.93rem;line-height:1.85;color:var(--mist);}
.page-contact .track-text a{color:var(--wheat);text-decoration:underline;text-underline-offset:3px;}
.page-contact .track-text a:hover,
.page-contact .track-text a:focus-visible{color:var(--yellow);}
.page-contact .track-meta{margin:10px 0 0;padding-left:10px;border-left:2px solid var(--yellow);font-size:.85rem;line-height:1.75;color:var(--wheat);}
.page-contact .track-meta a{color:var(--wheat);text-decoration:underline;text-underline-offset:3px;}
.page-contact .track-meta a:hover,
.page-contact .track-meta a:focus-visible{color:var(--yellow);}
.page-contact .aside-frame{border:2px solid var(--tile);background:var(--ink);}
.page-contact .aside-note{margin:12px 0 0;font-size:.85rem;line-height:1.75;color:var(--mist);}

/* 留言 */
.page-contact .contact-grid{display:grid;gap:clamp(18px,3vw,30px);}
.page-contact .form-panel{border:2px solid var(--paper);background:var(--slate);padding:clamp(18px,3vw,30px);box-shadow:var(--pc-shadow);}
.page-contact .field{margin:0 0 18px;}
.page-contact .field-row{display:grid;gap:18px;}
.page-contact .field-label{display:block;margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--mist);}
.page-contact .field-input,
.page-contact .field-textarea{width:100%;background:var(--ink);border:2px solid var(--tile);color:var(--paper);font-family:var(--font-body);font-size:.94rem;line-height:1.6;padding:11px 13px;border-radius:0;outline:none;transition:border-color .18s,box-shadow .18s;}
.page-contact .field-textarea{resize:vertical;min-height:132px;}
.page-contact .field-input::placeholder,
.page-contact .field-textarea::placeholder{color:var(--tile);}
.page-contact .field-input:focus,
.page-contact .field-textarea:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(243,198,78,.22);}

.page-contact .type-picker{display:grid;gap:10px;}
.page-contact .type-option{position:relative;}
.page-contact .type-option input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none;}
.page-contact .type-label{display:block;border:2px solid var(--tile);padding:10px 12px;font-size:.9rem;font-weight:700;text-align:center;cursor:pointer;transition:background .18s,color .18s,border-color .18s;}
.page-contact .type-label:hover{border-color:var(--mist);}
.page-contact .type-option input:checked + .type-label{background:var(--yellow);border-color:var(--yellow);color:var(--ink);}
.page-contact .type-option input:focus-visible + .type-label{outline:2px solid var(--cyan);outline-offset:2px;}
.page-contact .type-hint{display:none;margin:8px 0 0;padding-left:10px;border-left:2px solid var(--yellow);font-size:.82rem;line-height:1.7;color:var(--mist);}
.page-contact .type-option input:checked ~ .type-hint{display:block;}

.page-contact .form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px;}
.page-contact .form-submit{border:2px solid var(--yellow);background:var(--yellow);color:var(--ink);font-family:var(--font-display);font-weight:800;font-size:.94rem;letter-spacing:.08em;padding:12px 26px;cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;}
.page-contact .form-submit:hover{background:var(--red);border-color:var(--red);color:var(--paper);transform:translate(-2px,-2px);box-shadow:4px 4px 0 rgba(0,0,0,.5);}
.page-contact .form-submit:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.page-contact .form-note{flex:1 1 220px;margin:0;font-size:.8rem;line-height:1.7;color:var(--mist);}
.page-contact .form-note a{color:var(--wheat);text-decoration:underline;text-underline-offset:3px;}

.page-contact .side-card{border:2px solid var(--yellow);background:var(--slate);padding:clamp(18px,2.6vw,24px);}
.page-contact .status-row{display:flex;align-items:center;gap:9px;margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--cyan);}
.page-contact .status-dot{width:9px;height:9px;flex:0 0 auto;background:var(--cyan);box-shadow:0 0 0 4px rgba(90,215,201,.18);animation:pc-pulse 2.4s ease-in-out infinite;}
@keyframes pc-pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.page-contact .side-title{margin:0 0 10px;font-size:.82rem;font-weight:700;letter-spacing:.12em;color:var(--mist);}
.page-contact .side-phone{margin:0 0 12px;font-family:var(--font-mono);font-weight:600;font-size:clamp(1.08rem,3vw,1.32rem);color:var(--paper);}
.page-contact .side-rule{margin:16px 0;border:0;border-top:2px solid var(--tile);}
.page-contact .side-note{margin:0;font-size:.84rem;line-height:1.75;color:var(--mist);overflow-wrap:anywhere;}
.page-contact .side-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:9px;}
.page-contact .side-list li{position:relative;padding-left:16px;font-size:.84rem;line-height:1.72;color:var(--mist);}
.page-contact .side-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;background:var(--red);}

/* 常见场景 */
.page-contact .scene-list{list-style:none;margin:0;padding:0;display:grid;}
.page-contact .scene-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:18px 0;border-top:2px solid var(--tile);}
.page-contact .scene-no{font-family:var(--font-mono);font-weight:600;font-size:.8rem;color:var(--yellow);padding-top:3px;}
.page-contact .scene-title{margin:0 0 7px;font-family:var(--font-display);font-weight:800;font-size:.99rem;line-height:1.35;}
.page-contact .scene-text{margin:0;font-size:.89rem;line-height:1.8;color:var(--mist);}
.page-contact .scene-link{display:inline-block;margin-top:9px;font-size:.84rem;font-weight:700;color:var(--yellow);text-decoration:none;border-bottom:2px solid transparent;transition:color .18s,border-color .18s;}
.page-contact .scene-link:hover,
.page-contact .scene-link:focus-visible{color:var(--red-hot);border-bottom-color:var(--red-hot);}

/* 地址与备案 */
.page-contact .place-band{display:grid;gap:26px;border:2px solid var(--tile);background:linear-gradient(115deg,var(--slate) 0%,var(--ink) 70%);padding:clamp(18px,3vw,30px);}
.page-contact .place-addr{margin:10px 0 0;font-family:var(--font-mono);font-weight:600;font-size:clamp(.98rem,2.3vw,1.16rem);line-height:1.5;color:var(--paper);}
.page-contact .place-note{margin:12px 0 0;max-width:56ch;font-size:.87rem;line-height:1.8;color:var(--mist);}
.page-contact .place-legal{display:flex;flex-direction:column;gap:6px;border-left:2px solid var(--yellow);padding-left:14px;}
.page-contact .place-legal-key{font-size:11px;letter-spacing:.18em;color:var(--mist);}
.page-contact .place-legal-val{font-family:var(--font-mono);font-weight:600;font-size:.9rem;color:var(--wheat);}

@media (min-width:560px){
  .page-contact .type-picker{grid-template-columns:1fr 1fr;align-items:start;}
  .page-contact .field-row{grid-template-columns:1fr 1fr;}
}
@media (min-width:760px){
  .page-contact .scene-list{grid-template-columns:1fr 1fr;column-gap:34px;}
}
@media (min-width:800px){
  .page-contact .channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;padding-bottom:46px;}
  .page-contact .channel-card:nth-child(2){transform:translateY(20px);}
  .page-contact .channel-card:nth-child(3){transform:translateY(40px);}
}
@media (min-width:900px){
  .page-contact .hero-grid{grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);align-items:center;}
  .page-contact .tracks-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);align-items:start;}
  .page-contact .tracks-aside{position:sticky;top:88px;}
}
@media (min-width:920px){
  .page-contact .contact-grid{grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);align-items:start;}
  .page-contact .side-card{position:sticky;top:88px;}
  .page-contact .place-band{grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);align-items:end;}
}
@media (prefers-reduced-motion:reduce){
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after{animation:none !important;transition:none !important;}
  .page-contact .channel-card:nth-child(2),
  .page-contact .channel-card:nth-child(3){transform:none;}
}