.page-contact{
  --pc-gap: clamp(16px, 2.6vw, 30px);
  --pc-tick: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 13px);
  --pc-paper-line: rgba(16, 24, 32, 0.14);
  background: var(--ink);
  color: var(--body-dark);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb{
  margin: 0 0 clamp(20px, 3vw, 34px);
}
.page-contact .breadcrumb__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-contact .breadcrumb__list li{
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-contact .breadcrumb__list li + li::before{
  content: "/";
  color: var(--line);
}
.page-contact .breadcrumb__list a{
  color: var(--mist);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}
.page-contact .breadcrumb__list a:hover,
.page-contact .breadcrumb__list a:focus-visible{
  color: var(--cyan);
}
.page-contact .breadcrumb__list a[aria-current="page"]{
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  padding: clamp(20px, 3vw, 34px) 0 clamp(38px, 5.4vw, 76px);
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 48%);
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-hero::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.45;
}
.page-contact .contact-hero__head{
  display: grid;
  gap: clamp(20px, 3.2vw, 38px);
  align-items: end;
  margin-bottom: clamp(22px, 3.2vw, 38px);
}
.page-contact .hero-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .hero-eyebrow::before{
  content: "";
  display: block;
  width: 26px;
  height: 1px;
  background: var(--cyan);
}
.page-contact .contact-hero h1{
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 4.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .hero-intro{
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--body-dark);
}
.page-contact .hero-facts{
  border-top: 1px solid var(--line);
}
.page-contact .hero-facts__row{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .hero-facts__label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
  white-space: nowrap;
}
.page-contact .hero-facts__value{
  font-size: 13.5px;
  line-height: 1.5;
  text-align: right;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 分流示意图 ---------- */
.page-contact .contact-map{
  position: relative;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  aspect-ratio: 1000 / 330;
  min-height: 150px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.page-contact .contact-map img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 四类通道卡片 ---------- */
.page-contact .route-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 18px);
}
.page-contact .route-card{
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(158deg, rgba(13, 33, 56, 0.96), rgba(10, 26, 47, 0.96));
  border: 1px solid var(--line);
  border-top-color: rgba(30, 231, 214, 0.26);
  outline: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease),
    box-shadow 0.18s var(--ease);
}
.page-contact .route-card::after{
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 7px;
  height: 7px;
  background: var(--magenta);
  transform: rotate(45deg);
}
.page-contact .route-card:focus-visible{
  border-color: var(--cyan);
  box-shadow: var(--shadow-lift);
}
.page-contact .route-card__idx{
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-contact .route-card__title{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .route-card__desc{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .route-card__materials{
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.page-contact .route-card__materials-label{
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--magenta);
}
.page-contact .route-card__materials ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}
.page-contact .route-card__materials li{
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--body-dark);
}
.page-contact .route-card__materials li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 1px;
  background: var(--cyan-dim);
}

/* ---------- 联系方式（纸白区） ---------- */
.page-contact .contact-direct{
  position: relative;
  padding: clamp(38px, 5vw, 78px) 0;
  background: var(--paper);
  color: var(--paper-ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .direct-grid{
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}
.page-contact .sec-title{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .sec-note{
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}
.page-contact .contact-direct .sec-title{
  color: var(--paper-ink);
}
.page-contact .contact-direct .sec-note{
  color: #4B5A6B;
}
.page-contact .direct-list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-paper-line);
}
.page-contact .direct-item{
  display: grid;
  gap: 5px;
  padding: clamp(14px, 1.9vw, 20px) 0;
  border-bottom: 1px solid var(--pc-paper-line);
}
.page-contact .direct-item__label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: #7A8798;
}
.page-contact .direct-item__value{
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}
.page-contact .direct-item__value--address{
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.6;
}
.page-contact .direct-item__value--link{
  display: inline-block;
  width: fit-content;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.page-contact .direct-item__value--link:hover,
.page-contact .direct-item__value--link:focus-visible{
  color: #B4530F;
  border-color: var(--paper-ink);
}
.page-contact .direct-item__note{
  font-size: 13px;
  line-height: 1.68;
  color: #5C6B7A;
}
.page-contact .direct-links{
  margin: clamp(16px, 2vw, 22px) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: #5C6B7A;
}
.page-contact .direct-links a{
  color: #0B5F58;
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 158, 148, 0.55);
}
.page-contact .direct-links a:hover,
.page-contact .direct-links a:focus-visible{
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}
.page-contact .direct-visual{
  margin: 0;
  border: 1px solid rgba(16, 24, 32, 0.2);
  background: var(--paper-2);
}
.page-contact .direct-visual img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .direct-callout{
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 14px 0 14px 18px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.78;
  color: #3C4A59;
  max-width: 78ch;
}

/* ---------- 回复时效 ---------- */
.page-contact .sla{
  padding: clamp(38px, 5vw, 76px) 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .sla__head{
  margin-bottom: clamp(22px, 3vw, 36px);
}
.page-contact .sla__body{
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}
.page-contact .sla__meter{
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  background: var(--ink-3);
}
.page-contact .sla__num{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--cyan);
}
.page-contact .sla__unit{
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--paper);
}
.page-contact .sla__scale{
  position: relative;
  height: 30px;
  margin: 16px 0 10px;
  background-image: var(--pc-tick);
  border-bottom: 1px solid var(--line);
}
.page-contact .sla__scale::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 58%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-dim), var(--cyan));
}
.page-contact .sla__meter-note{
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}
.page-contact .sla__steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .sla__step{
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}
.page-contact .sla__step:last-child{
  border-bottom: 1px solid var(--line);
}
.page-contact .sla__step-idx{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}
.page-contact .sla__step-body h3{
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
}
.page-contact .sla__step-body p{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .coop{
  padding: clamp(38px, 5vw, 74px) 0;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.page-contact .coop__head{
  margin-bottom: clamp(22px, 3vw, 34px);
}
.page-contact .coop__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 20px);
}
.page-contact .coop__item{
  position: relative;
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid var(--line);
  background: rgba(10, 26, 47, 0.55);
}
.page-contact .coop__idx{
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-contact .coop__item h3{
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.8vw, 19px);
  letter-spacing: -0.005em;
  color: var(--paper);
}
.page-contact .coop__item p{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 自查清单 ---------- */
.page-contact .selfcheck{
  padding: clamp(38px, 5vw, 74px) 0 clamp(46px, 6vw, 88px);
}
.page-contact .selfcheck__head{
  margin-bottom: clamp(18px, 2.4vw, 28px);
}
.page-contact .checklist{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .check{
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .check input{
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}
.page-contact .check input:hover{
  border-color: var(--cyan-dim);
}
.page-contact .check input:focus-visible{
  outline: var(--focus-ring);
  outline-offset: 2px;
}
.page-contact .check input:checked{
  border-color: var(--cyan);
  background: rgba(30, 231, 214, 0.16);
}
.page-contact .check input:checked::after{
  content: "";
  position: absolute;
  left: 3px;
  top: 5px;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}
.page-contact .check label{
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--body-dark);
  cursor: pointer;
}
.page-contact .check label a{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 231, 214, 0.45);
}
.page-contact .check label a:hover,
.page-contact .check label a:focus-visible{
  border-bottom-color: var(--cyan);
}
.page-contact .selfcheck__foot{
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .selfcheck__foot a{
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  margin: 0 2px;
}
.page-contact .selfcheck__foot a:hover,
.page-contact .selfcheck__foot a:focus-visible{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px){
  .page-contact .route-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .coop__list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .direct-item{
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 20px;
  }
  .page-contact .direct-item__label{
    padding-top: 3px;
  }
  .page-contact .direct-item__note{
    grid-column: 2;
  }
}

@media (min-width: 880px){
  .page-contact .contact-hero__head{
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-contact .direct-grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-contact .sla__body{
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }
  .page-contact .route-card:nth-child(2){
    transform: translateY(10px);
  }
  .page-contact .route-card:nth-child(3){
    transform: translateY(-6px);
  }
}

@media (min-width: 880px) and (hover: hover){
  .page-contact .route-card__materials{
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height 0.26s var(--ease), opacity 0.2s var(--ease),
      margin-top 0.26s var(--ease), padding-top 0.26s var(--ease);
  }
  .page-contact .route-card:hover .route-card__materials,
  .page-contact .route-card:focus-within .route-card__materials{
    max-height: 210px;
    opacity: 1;
    margin-top: 14px;
    padding-top: 12px;
    border-top-color: var(--line);
  }
  .page-contact .route-card:hover,
  .page-contact .route-card:focus-within{
    border-color: rgba(30, 231, 214, 0.5);
    box-shadow: var(--shadow-lift);
  }
  .page-contact .route-card:hover{
    transform: translateY(-4px);
  }
  .page-contact .route-card:nth-child(2):hover{
    transform: translateY(6px);
  }
  .page-contact .route-card:nth-child(3):hover{
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .route-card,
  .page-contact .route-card__materials,
  .page-contact .direct-item__value--link,
  .page-contact .check input{
    transition: none;
  }
  .page-contact .route-card,
  .page-contact .route-card:nth-child(2),
  .page-contact .route-card:nth-child(3),
  .page-contact .route-card:hover,
  .page-contact .route-card:nth-child(2):hover,
  .page-contact .route-card:nth-child(3):hover{
    transform: none;
  }
  .page-contact .route-card__materials{
    max-height: none;
    opacity: 1;
    overflow: visible;
    margin-top: 14px;
    padding-top: 12px;
    border-top-color: var(--line);
  }
}