.page-contact{
  --contact-card: #FBF8F1;
  --contact-line: rgba(16,24,32,.12);
  --contact-gap: clamp(1.5rem,3.2vw,2.75rem);
  background: var(--paper);
  color: var(--text);
  padding-bottom: clamp(2.5rem,6vw,5rem);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-mast{
  background:
    radial-gradient(110% 80% at 8% 0%, rgba(39,211,224,.10), transparent 62%),
    var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
  padding: clamp(1.5rem,4vw,2.5rem) 0 clamp(1.25rem,3.5vw,2rem);
}

.page-contact .breadcrumb{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
}
.page-contact .breadcrumb ol{
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  color: var(--warm);
}
.page-contact .breadcrumb li + li::before{
  content: "/";
  margin-right: .4rem;
  color: rgba(199,215,226,.35);
}
.page-contact .breadcrumb a{
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-mast .eyebrow{
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin: 0;
}

.page-contact .contact-mast h1{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 6.2vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--paper);
  margin: .7rem 0 0;
  max-width: 20ch;
}

.page-contact .contact-lead{
  margin: 1.05rem 0 0;
  max-width: 48ch;
  font-size: clamp(.95rem,2.2vw,1.05rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-scale{
  height: 16px;
  margin-top: clamp(1.25rem,3vw,1.9rem);
  border-bottom: 1px solid var(--line-dark);
  background-image:
    repeating-linear-gradient(90deg, rgba(199,215,226,.55) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(199,215,226,.18) 0 1px, transparent 1px 8px);
  background-size: 100% 100%, 100% 48%;
  background-repeat: repeat-x;
  background-position: 0 100%, 0 100%;
}

/* ---------- 左右分屏 ---------- */
.page-contact .contact-shell{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: var(--contact-gap);
  padding-top: clamp(1.5rem,4vw,2.75rem);
}

.page-contact .contact-main{
  display: grid;
  gap: clamp(1.75rem,4vw,2.75rem);
  min-width: 0;
}

.page-contact .contact-section{
  min-width: 0;
  padding-top: clamp(1.25rem,3vw,1.9rem);
  border-top: 1px solid var(--contact-line);
}
.page-contact .contact-main > .contact-section:first-child{
  border-top: 0;
  padding-top: 0;
}

.page-contact .section-head .eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal-deep);
  margin: 0 0 .55rem;
}

.page-contact .section-head h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem,3.6vw,2.25rem);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--text);
  margin: 0;
}

.page-contact .section-lead{
  margin: .7rem 0 0;
  max-width: 40ch;
  font-size: .95rem;
  line-height: 1.8;
  color: #3A434C;
}

/* ---------- 需求分流 ---------- */
.page-contact .route-list{
  list-style: none;
  margin: clamp(1.1rem,2.6vw,1.6rem) 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .route-item{
  background: var(--contact-card);
  border: 1px solid var(--contact-line);
  border-left: 2px solid rgba(255,106,42,.75);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.05rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.page-contact .route-item:hover{
  border-color: rgba(39,211,224,.5);
  border-left-color: var(--cyan);
  box-shadow: 0 6px 18px rgba(11,27,43,.06);
}

.page-contact .route-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  margin-bottom: .5rem;
}

.page-contact .route-no{
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--signal-deep);
}

.page-contact .route-item h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem,2.6vw,1.25rem);
  line-height: 1.3;
  letter-spacing: .01em;
  margin: 0 0 .4rem;
  color: var(--text);
}

.page-contact .route-item p{
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: #39424B;
}

.page-contact .route-meta{
  margin-top: .6rem !important;
  font-family: var(--font-mono);
  font-size: .72rem !important;
  letter-spacing: .06em;
  color: var(--warm) !important;
}

/* ---------- 咨询写法表 ---------- */
.page-contact .brief-sheet{
  margin-top: clamp(1.1rem,2.6vw,1.6rem);
  background: #FFFFFF;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  padding: .35rem clamp(.9rem,2.4vw,1.35rem);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.page-contact .brief-sheet:hover,
.page-contact .brief-sheet:focus-within{
  border-color: rgba(39,211,224,.6);
  box-shadow: 0 0 0 1px rgba(39,211,224,.18);
}

.page-contact .brief-row{
  display: grid;
  grid-template-columns: 2.2rem minmax(0,1fr);
  gap: .85rem;
  padding: .95rem 0;
  border-top: 1px dashed var(--contact-line);
}
.page-contact .brief-row:first-child{
  border-top: 0;
}

.page-contact .brief-key{
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--signal-deep);
  padding-top: .18rem;
}

.page-contact .brief-body h3{
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .98rem;
  line-height: 1.5;
  margin: 0 0 .3rem;
  color: var(--text);
}

.page-contact .brief-body p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: #39424B;
}

.page-contact .brief-note{
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--warm);
  padding-left: .9rem;
  border-left: 2px solid rgba(199,215,226,.9);
}
.page-contact .brief-note a{
  color: var(--signal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .brief-note a:hover,
.page-contact .brief-note a:focus-visible{
  color: var(--ink);
}

/* ---------- 右侧联络栏 ---------- */
.page-contact .contact-side{
  min-width: 0;
  background: var(--ink-2);
  color: var(--mist);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: clamp(1.1rem,3vw,1.65rem);
  display: grid;
  gap: 1.15rem;
  align-content: start;
}

.page-contact .side-media{
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}
.page-contact .side-media img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .side-block{
  border-top: 1px solid var(--line-dark);
  padding-top: .95rem;
  min-width: 0;
}
.page-contact .side-block:first-of-type{
  border-top: 0;
  padding-top: 0;
}

.page-contact .side-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 .4rem;
}

.page-contact .side-label{
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 .35rem;
}

.page-contact .side-value{
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(.9rem,2.4vw,1.02rem);
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--paper);
  margin: 0;
  overflow-wrap: anywhere;
}
.page-contact .side-value--mail{
  font-size: clamp(.82rem,2.2vw,.95rem);
  color: var(--cyan);
}
.page-contact .side-value--addr{
  font-size: .82rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .side-note{
  margin: .45rem 0 0;
  font-size: .8rem;
  line-height: 1.75;
  color: var(--warm);
}

.page-contact .response-bar{
  margin-top: .7rem;
  height: 10px;
  border-radius: 2px;
  background:
    repeating-linear-gradient(90deg, rgba(199,215,226,.16) 0 1px, transparent 1px 10%) ,
    rgba(11,27,43,.55);
  padding: 2px;
  box-sizing: border-box;
}
.page-contact .response-seg{
  display: block;
  height: 100%;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--signal));
}

.page-contact .response-marks{
  display: flex;
  justify-content: space-between;
  margin-top: .35rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--warm);
}

.page-contact .side-links{
  list-style: none;
  margin: .3rem 0 0;
  padding: 0;
  display: grid;
  gap: .4rem;
}
.page-contact .side-links a{
  display: inline-block;
  font-size: .88rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(199,215,226,.28);
  padding-bottom: .1rem;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .side-links a:hover,
.page-contact .side-links a:focus-visible{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应节奏 ---------- */
.page-contact .timing-band{
  margin-top: clamp(2rem,5vw,3.75rem);
  background: var(--ink);
  color: var(--mist);
  padding: clamp(2rem,5vw,3.5rem) 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .timing-inner{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(1.5rem,3.5vw,2.75rem);
  align-items: center;
}

.page-contact .timing-copy .eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 .6rem;
}

.page-contact .timing-copy h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem,3.8vw,2.4rem);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--paper);
  margin: 0;
}

.page-contact .timing-steps{
  list-style: none;
  counter-reset: step;
  margin: clamp(1.1rem,2.6vw,1.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
  max-width: 46ch;
}
.page-contact .timing-steps li{
  counter-increment: step;
  position: relative;
  padding-left: 2.4rem;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .timing-steps li::before{
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: .16rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--signal);
}

.page-contact .timing-media{
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}
.page-contact .timing-media img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 合作 ---------- */
.page-contact .contact-section--wide{
  padding-top: clamp(2.25rem,5vw,3.5rem);
  border-top: 0;
}
.page-contact .contact-section--wide .section-head{
  max-width: 60ch;
}

.page-contact .partner-grid{
  margin-top: clamp(1.2rem,3vw,1.8rem);
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: .9rem;
}

.page-contact .partner-card{
  background: var(--contact-card);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.2rem;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.page-contact .partner-card:hover{
  border-color: rgba(39,211,224,.55);
  transform: translateY(-2px);
}

.page-contact .partner-no{
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--signal-deep);
  margin: 0 0 .5rem;
}

.page-contact .partner-card h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem,2.6vw,1.2rem);
  line-height: 1.3;
  letter-spacing: .01em;
  margin: 0 0 .45rem;
  color: var(--text);
}

.page-contact .partner-card p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: #39424B;
}

.page-contact .partner-note{
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--signal-deep);
  border-left: 2px solid var(--signal);
  padding-left: .8rem;
  line-height: 1.7;
}

/* ---------- 结尾入口 ---------- */
.page-contact .contact-next{
  margin-top: clamp(2rem,5vw,3.25rem);
}
.page-contact .contact-next-inner{
  border-top: 1px solid var(--contact-line);
  padding-top: clamp(1.25rem,3vw,1.9rem);
  display: grid;
  gap: 1.1rem;
}

.page-contact .contact-next-lead{
  margin: 0;
  max-width: 44ch;
  font-size: .93rem;
  line-height: 1.8;
  color: #39424B;
}

.page-contact .next-links{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
  grid-template-columns: minmax(0,1fr);
}
.page-contact .next-links a{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding: .8rem 1rem;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.65);
  color: var(--text);
  text-decoration: none;
  font-size: .9rem;
  transition: border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}
.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible{
  border-color: var(--cyan);
  background: #FFFFFF;
  color: var(--ink);
}
.page-contact .next-arrow{
  font-family: var(--font-mono);
  color: var(--signal);
  flex: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px){
  .page-contact .route-list{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .page-contact .brief-row{
    grid-template-columns: 2.6rem minmax(0,1fr);
    gap: 1.1rem;
  }
  .page-contact .next-links{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .page-contact .partner-grid{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (min-width: 900px){
  .page-contact .timing-inner{
    grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr);
  }
  .page-contact .partner-grid{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
  .page-contact .contact-next-inner{
    grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr);
    align-items: center;
  }
  .page-contact .next-links{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (min-width: 980px){
  .page-contact .contact-shell{
    grid-template-columns: minmax(0,7fr) minmax(0,5fr);
    align-items: start;
  }
  .page-contact .contact-side{
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .route-item,
  .page-contact .partner-card,
  .page-contact .next-links a,
  .page-contact .side-links a{
    transition: none;
  }
  .page-contact .partner-card:hover{
    transform: none;
  }
}
<<<END>>>