.page-contact{
  --c-cut:18px;
  background:var(--paper);
  color:var(--ink-900);
  overflow-x:clip;
}
.page-contact [id]{scroll-margin-top:96px;}
.page-contact a:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:3px;
}
.page-contact h1,
.page-contact h2,
.page-contact h3{
  font-family:var(--font-display);
}
.page-contact h2{
  margin:0;
  font-weight:800;
  font-size:clamp(24px,3.6vw,36px);
  line-height:1.18;
  letter-spacing:-.015em;
}
.page-contact .container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position:relative;
  padding-block:clamp(24px,5vw,56px) clamp(20px,4vw,44px);
  background:
    radial-gradient(58% 66% at 92% 4%, rgba(255,90,31,.15), transparent 64%),
    radial-gradient(46% 52% at 2% 98%, rgba(255,197,61,.2), transparent 62%),
    var(--paper);
}
.page-contact .contact-hero__inner{
  display:grid;
  gap:clamp(24px,4vw,44px);
}
.page-contact .contact-hero__crumb{margin:0 0 16px;}
.page-contact .contact-hero__kicker{
  margin:0;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--ink-700);
}
.page-contact .contact-hero__kicker::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--orange);
}
.page-contact h1{
  margin:14px 0 0;
  font-weight:900;
  font-size:clamp(34px,8.2vw,58px);
  line-height:1.06;
  letter-spacing:-.025em;
  max-width:13em;
}
.page-contact h1 em{
  font-style:normal;
  color:var(--orange);
}
.page-contact .contact-hero__lede{
  margin:18px 0 0;
  max-width:36em;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.78;
  color:var(--ink-700);
}
.page-contact .contact-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.page-contact .contact-hero__art{
  position:relative;
}
.page-contact .contact-hero__art img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:5 / 4;
  object-fit:cover;
  background:var(--blue);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .contact-channels{
  padding-block:clamp(28px,5vw,56px) clamp(24px,4vw,44px);
}
.page-contact .channels__head{
  display:grid;
  gap:12px;
  margin-bottom:clamp(18px,3vw,28px);
  max-width:58em;
}
.page-contact .channels__head p{
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:var(--ink-700);
  max-width:42em;
}
.page-contact .channel-grid{
  display:grid;
  gap:16px;
}
.page-contact .channel-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:clamp(20px,3vw,26px);
  background:var(--paper-deep);
  border:1px solid var(--line);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%);
  transition:transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within{
  transform:translateY(-2px);
  border-color:var(--orange);
  background:#FFFFFF;
}
.page-contact .channel-card__num{
  align-self:flex-start;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  padding:4px 9px;
  background:var(--yellow);
  color:var(--ink-900);
}
.page-contact .channel-card__title{
  margin:0;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
}
.page-contact .channel-card__value{
  margin:0;
  font-weight:800;
  font-size:clamp(18px,2.2vw,22px);
  line-height:1.32;
  color:var(--blue);
  overflow-wrap:anywhere;
}
.page-contact .channel-card__value a{
  color:inherit;
  text-decoration:none;
  border-bottom:2px solid rgba(255,90,31,.35);
  transition:border-color .2s var(--ease);
}
.page-contact .channel-card__value a:hover{border-bottom-color:var(--orange);}
.page-contact .channel-card__fits{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:7px;
  font-size:14px;
  line-height:1.62;
  color:var(--ink-700);
}
.page-contact .channel-card__fits li{
  position:relative;
  padding-left:16px;
}
.page-contact .channel-card__fits li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:6px;
  height:6px;
  background:var(--orange);
  transform:rotate(45deg);
}
.page-contact .channel-card__note{
  margin:0;
  font-size:13px;
  line-height:1.6;
  color:var(--neutral);
}
.page-contact .channel-card__cta{
  margin-top:auto;
  padding-top:8px;
}

/* ---------- 斜切分隔带 ---------- */
.page-contact .contact-divider{
  height:clamp(52px,8vw,88px);
  margin-block:clamp(20px,4vw,44px);
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.14) 0 2px, transparent 2px 16px),
    linear-gradient(102deg, var(--orange) 0%, var(--orange-dark) 46%, var(--blue) 100%);
  clip-path:polygon(0 26%, 100% 0, 100% 74%, 0 100%);
}

/* ---------- 写信前准备 ---------- */
.page-contact .contact-prepare{
  padding-block:clamp(8px,2vw,20px) clamp(36px,6vw,72px);
}
.page-contact .prepare__head{
  max-width:42em;
  margin-bottom:clamp(18px,3vw,28px);
}
.page-contact .prepare__head p{
  margin:12px 0 0;
  font-size:15px;
  line-height:1.75;
  color:var(--ink-700);
}
.page-contact .prepare__grid{
  display:grid;
  gap:clamp(20px,4vw,44px);
}
.page-contact .checklist{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}
.page-contact .checklist li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:start;
  gap:14px;
  padding:16px 18px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-left:4px solid var(--yellow);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}
.page-contact .checklist__mark{
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  background:var(--yellow);
  color:var(--ink-900);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  clip-path:polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}
.page-contact .checklist__body h3{
  margin:0 0 4px;
  font-size:16px;
  font-weight:800;
}
.page-contact .checklist__body p{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:var(--ink-700);
}
.page-contact .prepare__aside{
  padding:clamp(18px,3vw,26px);
  background:var(--ink-900);
  color:var(--paper);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-contact .prepare__aside h3{
  margin:0 0 12px;
  font-size:18px;
  font-weight:800;
  color:var(--yellow);
}
.page-contact .prepare__aside p{
  margin:0 0 12px;
  font-size:14px;
  line-height:1.78;
  color:rgba(255,249,240,.82);
}
.page-contact .prepare__aside p:last-child{margin-bottom:0;}
.page-contact .prepare__aside a{
  color:var(--yellow);
  text-decoration:underline;
  text-underline-offset:3px;
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-rhythm{
  padding-block:clamp(36px,6vw,72px);
  background:var(--blue);
  color:var(--paper);
}
.page-contact .contact-rhythm h2{color:var(--paper);}
.page-contact .rhythm__lede{
  margin:12px 0 clamp(18px,3vw,28px);
  max-width:42em;
  font-size:15px;
  line-height:1.78;
  color:rgba(255,249,240,.78);
}
.page-contact .rhythm__figure{
  margin:0 0 clamp(20px,3vw,32px);
}
.page-contact .rhythm__figure img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:12 / 5;
  object-fit:cover;
  background:var(--blue-soft);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-contact .rhythm__figure figcaption{
  margin-top:10px;
  font-size:13px;
  line-height:1.6;
  color:rgba(255,249,240,.62);
}
.page-contact .rhythm__grid{
  display:grid;
  gap:18px;
}
.page-contact .rhythm__item{
  border-top:2px solid var(--mint);
  padding-top:14px;
}
.page-contact .rhythm__item h3{
  margin:0 0 8px;
  font-size:17px;
  font-weight:800;
  color:var(--paper);
}
.page-contact .rhythm__item p{
  margin:0;
  font-size:14px;
  line-height:1.78;
  color:rgba(255,249,240,.78);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-selfserve{
  padding-block:clamp(40px,7vw,88px);
  background:var(--paper-deep);
}
.page-contact .selfserve__head{
  max-width:44em;
  margin-bottom:clamp(18px,3vw,28px);
}
.page-contact .selfserve__head p{
  margin:12px 0 0;
  font-size:15px;
  line-height:1.75;
  color:var(--ink-700);
}
.page-contact .help-links{
  display:grid;
  gap:12px;
}
.page-contact .help-link{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  background:#FFFFFF;
  border:1px solid var(--line);
  color:var(--ink-900);
  text-decoration:none;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition:border-color .2s var(--ease), transform .2s var(--ease);
}
.page-contact .help-link:hover,
.page-contact .help-link:focus-visible{
  border-color:var(--orange);
  transform:translateY(-2px);
}
.page-contact .help-link__title{
  display:block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:17px;
  margin-bottom:4px;
}
.page-contact .help-link__desc{
  display:block;
  font-size:13.5px;
  line-height:1.68;
  color:var(--ink-700);
}
.page-contact .help-link__arrow{
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--orange);
  transition:transform .2s var(--ease);
}
.page-contact .help-link:hover .help-link__arrow{transform:translateX(4px);}

/* ---------- 断点 ---------- */
@media (min-width:720px){
  .page-contact .help-links{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:760px){
  .page-contact .channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .page-contact .rhythm__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
}
@media (min-width:900px){
  .page-contact .prepare__grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:start;
  }
}
@media (min-width:960px){
  .page-contact .contact-hero__inner{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:center;
    gap:clamp(32px,5vw,64px);
  }
  .page-contact .contact-hero__art img{aspect-ratio:5 / 4;}
}
@media (prefers-reduced-motion:reduce){
  .page-contact .channel-card,
  .page-contact .help-link,
  .page-contact .help-link__arrow,
  .page-contact .channel-card__value a{
    transition:none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .help-link:hover,
  .page-contact .help-link:focus-visible{
    transform:none;
  }
}