.page-contact{
  --pc-line: rgba(217,210,195,.22);
  --pc-line-soft: rgba(217,210,195,.14);
  --pc-radius: 14px;
  background: var(--pitch-deep);
  color: var(--white);
}
.page-contact img{ max-width:100%; height:auto; }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  overflow: hidden;
  padding: clamp(22px,4vw,40px) 0 clamp(34px,6vw,70px);
  background:
    radial-gradient(120% 90% at 92% -10%, rgba(200,16,46,.42), transparent 62%),
    linear-gradient(165deg, var(--pitch) 0%, var(--pitch-deep) 88%);
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .contact-hero::before{
  content:"";
  position:absolute;
  right:-12%;
  top:-30%;
  width:58%;
  height:170%;
  background: linear-gradient(125deg, rgba(242,201,76,.16), rgba(242,201,76,0) 65%);
  transform: skewX(-14deg);
  pointer-events:none;
}
.page-contact .contact-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 4px);
  pointer-events:none;
}
.page-contact .contact-hero__inner{ position: relative; z-index: 1; }

.page-contact .breadcrumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-size:.78rem;
}
.page-contact .breadcrumbs a{
  color: var(--mist);
  text-decoration:none;
}
.page-contact .breadcrumbs a:hover{ color: var(--yellow); }
.page-contact .breadcrumbs li + li::before{
  content:"/";
  margin-right:8px;
  color: rgba(217,210,195,.5);
}
.page-contact .breadcrumbs [aria-current]{ color: var(--white); }

.page-contact .contact-hero__title{
  margin: clamp(14px,2.6vw,20px) 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7.6vw, 5.2rem);
  line-height: .96;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}
.page-contact .contact-hero__title span{
  display:block;
  color: var(--yellow);
}
.page-contact .contact-hero__lede{
  max-width: 62ch;
  margin: clamp(14px,2.4vw,22px) 0 0;
  font-size: clamp(.94rem,1.5vw,1.06rem);
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .hero-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: clamp(20px,3.6vw,32px);
}
.page-contact .hero-links a{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border:1px solid var(--pc-line);
  border-radius:999px;
  background: rgba(255,255,255,.04);
  color: var(--white);
  font-size:.85rem;
  font-weight:600;
  text-decoration:none;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.page-contact .hero-links a span{
  font-family: var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  color: var(--sky);
}
.page-contact .hero-links a:hover{
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--ink);
}
.page-contact .hero-links a:hover span{ color: var(--ink); }
.page-contact .hero-links a:focus-visible{
  outline: 2px solid var(--whistle);
  outline-offset: 3px;
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-block{ padding: clamp(38px,6vw,80px) 0; }
.page-contact .block-head{
  max-width: 60ch;
  margin-bottom: clamp(20px,3.4vw,34px);
}
.page-contact .block-head h2{
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem,3.4vw,2.5rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--white);
}

/* ---------- 渠道 ---------- */
.page-contact .contact-channels{
  background: linear-gradient(180deg, rgba(31,90,69,.34), transparent 72%);
}
.page-contact .channel-grid{
  display:grid;
  gap: clamp(16px,2.5vw,26px);
  grid-template-columns: 1fr;
}

.page-contact .contact-board{
  position: relative;
  overflow: hidden;
  padding: clamp(20px,3vw,30px);
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background:
    radial-gradient(140% 90% at 100% 0%, rgba(242,201,76,.12), transparent 55%),
    linear-gradient(165deg, var(--pitch-2), var(--pitch-deep));
  box-shadow: 0 18px 40px rgba(0,0,0,.3);
}
.page-contact .line-item{
  padding: 15px 0;
  border-bottom: 1px dashed var(--pc-line-soft);
}
.page-contact .line-item:first-child{ padding-top: 0; }
.page-contact .line-item:last-of-type{ border-bottom: 0; padding-bottom: 0; }
.page-contact .line-label{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 7px;
  font-family: var(--font-mono);
  font-size:.7rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color: var(--mist);
}
.page-contact .line-label svg{ width:15px; height:15px; flex:none; color: var(--yellow); }
.page-contact .line-value{
  margin:0;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--white);
  line-height: 1.16;
  letter-spacing: -.01em;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.page-contact .line-value--phone{ font-size: clamp(1.7rem,4.6vw,2.55rem); }
.page-contact .line-value--mail{ font-size: clamp(.92rem,2.1vw,1.18rem); }
.page-contact .board-hours{
  margin:0;
  font-size:.92rem;
  line-height:1.65;
  color: var(--mist);
}
.page-contact .contact-board .meta-note{
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-soft);
}

.page-contact .prep-panel{
  padding: clamp(18px,2.6vw,26px);
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background: rgba(255,255,255,.035);
}
.page-contact .prep-title{
  margin: 8px 0 16px;
  font-size: clamp(1.05rem,2vw,1.32rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}
.page-contact .prep-filter .filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
}
.page-contact .filter-btn{
  font-family: var(--font-body);
  font-size:.82rem;
  font-weight:600;
  padding:7px 14px;
  border:1px solid var(--pc-line);
  border-radius:999px;
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.page-contact .filter-btn:hover{ color: var(--white); border-color: var(--white); }
.page-contact .filter-btn:focus-visible{
  outline: 2px solid var(--whistle);
  outline-offset: 2px;
}
.page-contact .filter-btn[aria-pressed="true"]{
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--ink);
}
.page-contact .prep-list{ display:grid; gap:10px; }
.page-contact .prep-card{
  padding: 15px 17px;
  border-radius: var(--radius);
}
.page-contact .prep-card h4{
  margin: 0 0 9px;
  font-size:.97rem;
  font-weight: 800;
  letter-spacing:.01em;
  color: var(--ink);
}
.page-contact .prep-card ul{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:7px;
}
.page-contact .prep-card li{
  position: relative;
  padding-left: 21px;
  font-size:.88rem;
  line-height:1.55;
  color:#4b3d30;
}
.page-contact .prep-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:.42em;
  width:10px;
  height:10px;
  border:1.5px solid var(--sky);
  border-radius:2px;
}

.page-contact .img-frame.contact-photo{
  margin: 16px 0 0;
  aspect-ratio: 10 / 7;
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .contact-photo img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}
.page-contact .contact-photo .img-frame__caption{
  font-size:.75rem;
  line-height:1.5;
  color: var(--mist);
  padding: 8px 12px;
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-sla{
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
  background: rgba(31,90,69,.16);
}
.page-contact .sla-grid{
  display:grid;
  gap:14px;
  grid-template-columns: 1fr;
}
.page-contact .sla-item{
  padding: 18px 18px 20px;
  border-left: 3px solid var(--red);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255,255,255,.045);
}
.page-contact .sla-item:nth-child(2){ border-left-color: var(--yellow); }
.page-contact .sla-item:nth-child(3){ border-left-color: var(--sky); }
.page-contact .sla-label{
  margin:0;
  font-family: var(--font-mono);
  font-size:.7rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color: var(--mist);
}
.page-contact .sla-num{
  margin: 8px 0 9px;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem,3vw,2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height:1.1;
  color: var(--white);
}
.page-contact .sla-text{
  margin:0;
  font-size:.88rem;
  line-height:1.65;
  color: var(--mist);
}

/* ---------- 合作 ---------- */
.page-contact .coop-grid{
  display:grid;
  gap:14px;
  grid-template-columns: 1fr;
}
.page-contact .coop-card{
  display:flex;
  flex-direction: column;
  gap:10px;
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background: linear-gradient(170deg, rgba(31,90,69,.75), rgba(8,46,34,.92));
  transition: transform .2s ease, border-color .2s ease;
}
.page-contact .coop-card:hover{
  transform: translateY(-2px);
  border-color: rgba(242,201,76,.55);
}
.page-contact .coop-chip{
  align-self: flex-start;
  padding: 4px 9px;
  border-radius: 3px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size:.68rem;
  letter-spacing:.14em;
  text-transform: uppercase;
}
.page-contact .coop-chip--yellow{ background: var(--yellow); color: var(--ink); }
.page-contact .coop-chip--sky{ background: var(--sky); color: var(--pitch-deep); }
.page-contact .coop-card h3{
  margin:0;
  font-size:1.04rem;
  font-weight: 800;
  line-height:1.35;
  color: var(--white);
}
.page-contact .coop-card p{
  margin:0;
  font-size:.89rem;
  line-height:1.68;
  color: var(--mist);
}

/* ---------- 教程分流 ---------- */
.page-contact .faq-band{
  background: var(--paper);
  color: var(--ink);
}
.page-contact .faq-grid{
  display:grid;
  gap: 22px;
  grid-template-columns: 1fr;
}
.page-contact .faq-intro .eyebrow{ color: var(--red); }
.page-contact .faq-intro h2{
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem,3.2vw,2.3rem);
  line-height:1.1;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-contact .faq-intro p{
  margin:0;
  max-width: 46ch;
  font-size:.92rem;
  line-height:1.7;
  color:#4b3d30;
}
.page-contact .faq-list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:1px;
  background: rgba(35,26,18,.16);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .faq-list a{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  background: var(--paper);
  color: var(--ink);
  font-size:.93rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .18s ease, color .18s ease;
}
.page-contact .faq-list a svg{ flex:none; width:16px; height:16px; }
.page-contact .faq-list a:hover{ background: var(--ink); color: var(--paper); }
.page-contact .faq-list a:focus-visible{
  outline: 2px solid var(--whistle);
  outline-offset: -3px;
}

/* ---------- 地址与备案 ---------- */
.page-contact .addr-band{
  padding: clamp(34px,5vw,64px) 0;
  background: linear-gradient(120deg, var(--pitch-deep), var(--pitch));
  border-top: 1px solid var(--pc-line);
}
.page-contact .addr-grid{
  display:grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
.page-contact .addr-copy h2{
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem,3vw,2.1rem);
  line-height:1.16;
  letter-spacing: -.01em;
  color: var(--white);
}
.page-contact .addr-note{
  margin:0;
  max-width: 44ch;
  font-size:.9rem;
  line-height:1.7;
  color: var(--mist);
}
.page-contact .addr-list{
  margin: 18px 0 0;
  padding:0;
  display:grid;
  gap:12px;
}
.page-contact .addr-list div{
  display:flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-top: 12px;
  border-top: 1px solid var(--pc-line-soft);
}
.page-contact .addr-list dt{
  min-width: 78px;
  font-family: var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-contact .addr-list dd{
  margin:0;
  font-family: var(--font-mono);
  font-size:.88rem;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.page-contact .img-frame.contact-city{
  margin:0;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .contact-city img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 560px){
  .page-contact .sla-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (min-width: 820px){
  .page-contact .coop-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (min-width: 880px){
  .page-contact .channel-grid{
    grid-template-columns: minmax(0,4.6fr) minmax(0,7.4fr);
    align-items: start;
  }
  .page-contact .contact-board{ position: sticky; top: 88px; }
  .page-contact .sla-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .page-contact .faq-grid{ grid-template-columns: minmax(0,4fr) minmax(0,8fr); }
  .page-contact .addr-grid{
    grid-template-columns: minmax(0,7fr) minmax(0,5fr);
    align-items: stretch;
  }
  .page-contact .img-frame.contact-city{ height:100%; aspect-ratio: auto; }
}

@media (min-width: 1100px){
  .page-contact .prep-panel{ padding: 28px; }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .hero-links a,
  .page-contact .filter-btn,
  .page-contact .coop-card,
  .page-contact .faq-list a{ transition: none; }
  .page-contact .coop-card:hover{ transform: none; }
}