.page-contact{
  --ct-line: rgba(74,85,104,.38);
  --ct-soft: rgba(74,85,104,.20);
  --ct-glow: rgba(50,245,208,.14);
  background: var(--bg);
  color: var(--white);
  overflow-x: hidden;
}

.page-contact ol,
.page-contact ul{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb{
  padding-top: clamp(18px, 3vw, 30px);
}
.page-contact .breadcrumb__list{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-contact .breadcrumb__item{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-text);
}
.page-contact .breadcrumb__item a{
  color: var(--gray-text);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-soft);
  transition: color var(--dur), border-color var(--dur);
}
.page-contact .breadcrumb__item a:hover{
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-contact .breadcrumb__item + .breadcrumb__item::before{
  content: "/";
  margin-right: 10px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  padding-top: clamp(28px, 5vw, 56px);
}
.page-contact .contact-hero__inner{
  display: grid;
  gap: var(--gap);
}
.page-contact .contact-hero__frame{
  position: relative;
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid var(--ct-line);
  background:
    linear-gradient(158deg, rgba(17,22,51,.94) 0%, rgba(10,14,39,.66) 100%),
    repeating-linear-gradient(90deg, var(--ct-soft) 0 1px, transparent 1px 72px);
  box-shadow: inset 0 0 0 1px rgba(10,14,39,.55), 0 26px 70px -48px rgba(50,245,208,.55);
}
.page-contact .tick-frame__corner{
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
}
.page-contact .tick-frame__corner--tl{ top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.page-contact .tick-frame__corner--tr{ top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.page-contact .tick-frame__corner--bl{ bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.page-contact .tick-frame__corner--br{ bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.page-contact .eyebrow{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact h1{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(27px, 4.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .lede{
  margin: 18px 0 0;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray-text);
}

.page-contact .contact-quick{
  display: grid;
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--ct-soft);
}
.page-contact .contact-quick__row{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ct-soft);
}
.page-contact .contact-quick__k{
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--gray-text);
}
.page-contact .contact-quick__v{
  font-size: clamp(14px, 2.2vw, 17px);
  letter-spacing: .02em;
  color: var(--white);
  word-break: break-all;
}
.page-contact .contact-quick__row:first-child .contact-quick__v{
  color: var(--cyan);
}

.page-contact .contact-jump{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
}
.page-contact .contact-jump a{
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--ct-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gray-text);
  text-decoration: none;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}
.page-contact .contact-jump a:hover{
  color: var(--white);
  border-color: var(--cyan);
  background: var(--ct-glow);
}

.page-contact .contact-hero__figure{
  margin: 0;
}
.page-contact .contact-hero__figure img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ct-line);
  object-fit: cover;
  object-position: center;
}
.page-contact .figure__cap{
  margin: 10px 0 0;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray-text);
}

/* ---------- 通用分区 ---------- */
.page-contact .contact-section{
  padding-top: clamp(56px, 9vw, 112px);
}
.page-contact .section-head{
  max-width: 64ch;
}
.page-contact .section-head h2{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.26;
  letter-spacing: -.005em;
  color: var(--white);
}
.page-contact .section-head__note{
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray-text);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channels-grid{
  display: grid;
  gap: var(--gap);
  margin-top: clamp(24px, 4vw, 44px);
}
.page-contact .channels-list{
  display: grid;
  gap: 14px;
}
.page-contact .channel-card{
  position: relative;
  padding: clamp(18px, 3vw, 28px) clamp(18px, 3vw, 28px) clamp(18px, 3vw, 26px) clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--ct-line);
  background: var(--panel);
  box-shadow: 0 20px 44px -38px rgba(0,0,0,.95);
  transition: border-color var(--dur), transform var(--dur);
}
.page-contact .channel-card::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}
.page-contact .channel-card--mail::before{ background: var(--cyan); }
.page-contact .channel-card--tel::before{ background: var(--violet); }
.page-contact .channel-card--addr::before{ background: var(--orange); }
.page-contact .channel-card:hover{
  border-color: rgba(50,245,208,.42);
  transform: translateX(2px);
}
.page-contact .channel-card__no{
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gray-text);
}
.page-contact .channel-card__label{
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray-text);
}
.page-contact .channel-card__value{
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3vw, 25px);
  line-height: 1.38;
  letter-spacing: .015em;
  color: var(--white);
  word-break: break-all;
}
.page-contact .channel-card--mail .channel-card__value{ color: var(--cyan); }
.page-contact .channel-card__note{
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--gray-text);
}
.page-contact .channel-card__meta{
  margin: 12px 0 0;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--line);
}

.page-contact .channels-aside{
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--ct-line);
  background: linear-gradient(180deg, rgba(28,35,51,.92), rgba(17,22,51,.72));
}
.page-contact .mini-title{
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
}
.page-contact .channels-aside__lead{
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--gray-text);
}
.page-contact .team-list{
  display: grid;
  margin-top: 20px;
}
.page-contact .team-list li{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--ct-soft);
}
.page-contact .team-list__k{
  font-size: 13px;
  color: var(--gray-text);
}
.page-contact .team-list__v{
  font-size: 16px;
  color: var(--white);
}
.page-contact .channels-aside__foot{
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--ct-soft);
  font-size: 12px;
  line-height: 1.75;
  color: var(--gray-text);
}

/* ---------- 咨询范围 ---------- */
.page-contact .scope-filter{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 32px);
}
.page-contact .scope-filter .chip{
  cursor: pointer;
}
.page-contact .scope-list{
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}
.page-contact .scope-card{
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--ct-soft);
  background: rgba(17,22,51,.62);
  transition: border-color var(--dur), background var(--dur);
}
.page-contact .scope-card:hover{
  border-color: rgba(50,245,208,.4);
  background: rgba(17,22,51,.92);
}
.page-contact .scope-card__no{
  margin: 0;
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-contact .scope-card__title{
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--white);
}
.page-contact .scope-card__text{
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--gray-text);
}
.page-contact .scope-card__ask{
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-soft);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--gray-text);
}
.page-contact .scope-card.is-filtered-out{
  display: none;
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-grid{
  display: grid;
  gap: var(--gap);
  align-items: start;
}
.page-contact .reply-figure{
  margin: 0;
}
.page-contact .reply-figure img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ct-line);
  object-fit: cover;
}
.page-contact .reply-steps{
  display: grid;
  margin-top: clamp(20px, 3vw, 32px);
}
.page-contact .reply-step{
  position: relative;
  padding: 4px 0 22px 22px;
  border-left: 1px solid var(--ct-line);
}
.page-contact .reply-step::before{
  content: "";
  position: absolute;
  left: -4px;
  top: 8px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--bg);
}
.page-contact .reply-step:last-child::before{
  background: var(--cyan);
}
.page-contact .reply-step__no{
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-contact .reply-step__title{
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.page-contact .reply-step__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--gray-text);
}

/* ---------- 运营主体 ---------- */
.page-contact .entity-inner{
  display: grid;
  gap: var(--gap);
}
.page-contact .entity-list{
  display: grid;
  margin: 0;
  border-top: 1px solid var(--ct-line);
}
.page-contact .entity-row{
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ct-soft);
}
.page-contact .entity-row dt{
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-text);
}
.page-contact .entity-row dd{
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}
.page-contact .entity-row dd.mono{
  font-family: var(--font-mono);
  letter-spacing: .02em;
}
.page-contact .entity-foot{
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 13px;
  line-height: 1.95;
  color: var(--gray-text);
}
.page-contact .entity-foot a{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50,245,208,.35);
  transition: color var(--dur), border-color var(--dur);
}
.page-contact .entity-foot a:hover{
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 页脚前的青海湖轮廓收束 ---------- */
.page-contact .contact-lake{
  margin-top: clamp(56px, 9vw, 110px);
  color: rgba(74,85,104,.55);
}
.page-contact .contact-lake svg{
  display: block;
  width: 100%;
  height: clamp(46px, 7vw, 88px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px){
  .page-contact .entity-row{
    grid-template-columns: minmax(140px, .5fr) 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px){
  .page-contact .scope-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px){
  .page-contact .contact-hero__inner{
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: clamp(28px, 4vw, 64px);
  }
  .page-contact .reply-grid{
    grid-template-columns: .9fr 1.1fr;
    gap: clamp(28px, 4vw, 60px);
  }
  .page-contact .entity-inner{
    grid-template-columns: .78fr 1.22fr;
    align-items: start;
    gap: clamp(28px, 4vw, 64px);
  }
}

@media (min-width: 1000px){
  .page-contact .channels-grid{
    grid-template-columns: 1.45fr .85fr;
    align-items: start;
  }
}

@media (min-width: 1120px){
  .page-contact .scope-list{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after{
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}