.page-contact{
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-masthead{
  position: relative;
  padding: clamp(26px,6vw,60px) 0 clamp(28px,5vw,52px);
  background:
    radial-gradient(130% 150% at 84% -24%, rgba(56,242,208,.16), transparent 56%),
    radial-gradient(90% 120% at 6% 120%, rgba(255,122,47,.10), transparent 60%),
    linear-gradient(180deg, var(--grass) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.page-contact .contact-masthead::after{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(46,70,60,.55) 1px, transparent 1px),
    linear-gradient(0deg, rgba(46,70,60,.55) 1px, transparent 1px);
  background-size: 108px 108px;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-contact .contact-masthead .wrap{
  position: relative;
  z-index: 1;
}

.page-contact .contact-masthead .crumbs{
  margin-bottom: clamp(18px,3vw,30px);
}

.page-contact .contact-masthead h1{
  margin: .35em 0 .55em;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  max-width: 15em;
}

.page-contact .contact-masthead__lede{
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 通栏氛围图 ---------- */
.page-contact .contact-banner{
  position: relative;
  margin: 0;
  border-bottom: 1px solid var(--rule);
  background: var(--graphite);
}

.page-contact .contact-banner img{
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.7) brightness(.62) contrast(1.06);
}

.page-contact .contact-banner__cap{
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 16px;
  background: var(--ink);
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- 区块骨架 ---------- */
.page-contact .contact-block{
  padding: clamp(40px, 7vw, 82px) 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-block--grass{
  position: relative;
  background: linear-gradient(180deg, var(--grass) 0%, #0C3327 100%);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-block--grass::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(233,241,236,.05) 1px, transparent 1px);
  background-size: 64px 100%;
  pointer-events: none;
}

.page-contact .contact-block--grass .wrap{
  position: relative;
  z-index: 1;
}

.page-contact .section-head{
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-head__sub{
  margin: 12px 0 0;
  max-width: 40em;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 网格 ---------- */
.page-contact .grid--bento{
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .g-4,
.page-contact .g-8{
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 880px){
  .page-contact .g-4{ grid-column: span 4; }
  .page-contact .g-8{ grid-column: span 8; }
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card{
  border: 1px solid var(--rule);
  background: var(--graphite);
  padding: clamp(20px, 3vw, 28px);
}

.page-contact .contact-card__item{
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-card__item--last{
  border-bottom: 0;
  padding-bottom: 8px;
}

.page-contact .contact-card__k{
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-card__value{
  display: inline-block;
  position: relative;
  margin-top: 8px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
  border-bottom: 2px solid var(--gold);
  overflow-wrap: anywhere;
  cursor: text;
  transition: color var(--t), border-color var(--t);
}

.page-contact .contact-card__value::after{
  content: "选中即可复制";
  position: absolute;
  left: 0;
  top: calc(100% + 9px);
  padding: 3px 8px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity var(--t), transform var(--t);
  z-index: 3;
}

.page-contact .contact-card__value:hover,
.page-contact .contact-card__value:focus-visible{
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-card__value:hover::after,
.page-contact .contact-card__value:focus-visible::after{
  opacity: 1;
  transform: translateY(0);
}

.page-contact .contact-card__hint{
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__foot{
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__foot a{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56,242,208,.4);
  transition: border-color var(--t);
}

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

@media (min-width: 880px){
  .page-contact .contact-card--sticky{
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }
}

/* ---------- 反馈通道列表 ---------- */
.page-contact .contact-routes{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .contact-route{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-route__no{
  grid-row: 1 / span 2;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--cyan);
  transition: color var(--t);
}

.page-contact .contact-route:hover .contact-route__no{
  color: var(--orange);
}

.page-contact .contact-route__t{
  grid-column: 2;
  margin: 0;
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-contact .contact-route__t .tag{
  margin-left: 6px;
  vertical-align: 2px;
}

.page-contact .contact-route__d{
  grid-column: 2;
  margin: 8px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 时间与节奏 ---------- */
.page-contact .hours-card{
  border: 1px solid var(--rule);
  background: var(--graphite);
  padding: clamp(20px, 3vw, 28px);
}

.page-contact .hours-card__big{
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 14px 0 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(28px, 5vw, 42px);
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .hours-card__sep{
  color: var(--cyan);
  font-size: .55em;
}

.page-contact .hours-card__meta{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .hours-card__note{
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .hours-order{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .hours-order__item{
  position: relative;
  padding: 16px 0 16px 24px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .hours-order__item::before{
  content: "";
  position: absolute;
  left: 0;
  top: 23px;
  width: 12px;
  height: 2px;
  background: var(--cyan);
  transition: background var(--t);
}

.page-contact .hours-order__item:hover::before{
  background: var(--orange);
}

.page-contact .hours-order__t{
  display: block;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.5;
}

.page-contact .hours-order__d{
  display: block;
  margin-top: 6px;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 反馈准备 ---------- */
.page-contact .contact-fold{
  border: 1px solid var(--rule);
  background: var(--graphite);
  margin-bottom: 12px;
  transition: border-color var(--t), background var(--t);
}

.page-contact .contact-fold:hover,
.page-contact .contact-fold[open]{
  border-color: var(--cyan);
  background: var(--grass-2);
}

.page-contact .contact-fold summary{
  cursor: pointer;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -.005em;
}

.page-contact .contact-fold .fold__body{
  padding: 0 18px 18px;
}

.page-contact .contact-fold .fold__body p{
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-note-fig{
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--grass-2);
}

.page-contact .contact-note-fig img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(.72) brightness(.7);
}

.page-contact .contact-note-fig figcaption{
  padding: 12px 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 合作与授权 ---------- */
.page-contact .coop-card{
  height: 100%;
  border: 1px solid var(--rule);
  background: var(--graphite);
  padding: clamp(20px, 3vw, 26px);
  transition: border-color var(--t), background var(--t);
}

.page-contact .coop-card:hover{
  border-color: var(--cyan);
  background: var(--grass-2);
}

.page-contact .coop-card__no{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .coop-card__t{
  margin: 12px 0 10px;
  font-size: clamp(17px, 2.3vw, 21px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-contact .coop-card__d{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-card__list{
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .coop-card__list li{
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}

.page-contact .coop-card__list li::before{
  content: "\2014";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-contact .coop-foot{
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 答疑引流 ---------- */
.page-contact .answers-panel{
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  border: 1px solid var(--rule);
  background:
    radial-gradient(120% 140% at 92% -20%, rgba(255,122,47,.12), transparent 58%),
    linear-gradient(120deg, var(--graphite) 0%, var(--ink) 100%);
  padding: clamp(22px, 4vw, 40px);
}

.page-contact .answers-panel__copy h2{
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-contact .answers-panel__copy p{
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .answers-panel__side p{
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .answers-panel__side a{
  display: block;
  width: fit-content;
  margin-top: 10px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56,242,208,.35);
  transition: color var(--t), border-color var(--t);
}

.page-contact .answers-panel__side a:hover,
.page-contact .answers-panel__side a:focus-visible{
  color: var(--paper);
  border-color: var(--orange);
}

@media (min-width: 880px){
  .page-contact .answers-panel{
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .answers-panel__side{
    padding-left: clamp(18px, 2.4vw, 32px);
    border-left: 1px solid var(--rule);
  }
}

/* ---------- 桌面端细节 ---------- */
@media (min-width: 720px){
  .page-contact .contact-banner img{
    aspect-ratio: 8 / 3;
  }
}

@media (min-width: 1024px){
  .page-contact .contact-masthead{
    padding-top: clamp(40px, 5vw, 72px);
  }

  .page-contact .contact-route{
    padding: 24px 0;
  }
}
<<<END>>>