.page-contact{
  --contact-glow: 0 0 18px rgba(53,247,155,.45);
  --contact-soft: 0 0 0 1px rgba(53,247,155,.18);
  padding-top: 3.5rem;
  padding-bottom: 5rem;
  background:
    radial-gradient(820px 460px at 88% -6%, rgba(138,107,255,.16), transparent 70%),
    radial-gradient(700px 420px at -10% 34%, rgba(53,247,155,.08), transparent 72%);
}

.page-contact .breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-2);
}

.page-contact .breadcrumb a{
  color: var(--text-2);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible{
  color: var(--green);
}

.page-contact .crumb-sep{
  color: var(--text-3);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  overflow: hidden;
  padding-top: 2.4rem;
  padding-bottom: 2rem;
}

.page-contact .contact-hero::before{
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: min(660px, 88vw);
  height: 400px;
  border-radius: 0 0 0 62%;
  background: linear-gradient(138deg, rgba(53,247,155,.20), rgba(138,107,255,.16) 48%, rgba(42,31,77,0) 80%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-contact .contact-hero::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 140px;
  height: 2px;
  background: linear-gradient(90deg, var(--green), rgba(53,247,155,0));
  pointer-events: none;
}

.page-contact .contact-hero > .shell{
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .title-display{
  margin: .6rem 0 1rem;
}

.page-contact .contact-hero__mail{
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem 1rem;
  margin-top: .6rem;
  padding: .85rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: linear-gradient(120deg, rgba(53,247,155,.12), rgba(138,107,255,.10));
}

.page-contact .contact-hero__mail-key{
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--text-2);
}

.page-contact .contact-hero__mail-val{
  font-size: clamp(1rem, 3.6vw, 1.4rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 14px rgba(53,247,155,.35);
  word-break: break-all;
}

/* ---------- 三条路径 ---------- */
.page-contact .paths{
  display: grid;
  gap: 1.6rem;
}

.page-contact .path{
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .path + .path{
  margin-top: .9rem;
}

.page-contact .path:hover{
  border-color: var(--green);
  transform: translateY(-4px);
}

.page-contact .path:focus-within{
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-contact .path__key{
  margin: 0 0 .4rem;
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--text-3);
}

.page-contact .path__val{
  margin: 0;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.page-contact .path--mail .path__val{
  font-size: clamp(1.1rem, 3.6vw, 1.6rem);
  color: var(--green);
  word-break: break-all;
}

.page-contact .path--phone .path__val{
  font-size: clamp(1.7rem, 7vw, 2.6rem);
  letter-spacing: .02em;
}

.page-contact .path--addr .path__val{
  font-size: clamp(1rem, 3vw, 1.2rem);
}

.page-contact .path__note{
  margin: .55rem 0 0;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--text-2);
}

.page-contact .paths__media{
  margin: 0;
}

.page-contact .paths__media .media__caption{
  font-size: .78rem;
}

/* ---------- 适用事项 ---------- */
.page-contact .case{
  position: relative;
  overflow: hidden;
  padding-top: 2rem;
}

.page-contact .case::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--green);
  opacity: .85;
}

.page-contact .case--code::before{
  background: var(--orange);
}

.page-contact .case--server::before{
  background: var(--violet);
}

.page-contact .case h3{
  margin: .9rem 0 .6rem;
  font-size: 1.15rem;
}

.page-contact .case p{
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 发信清单 ---------- */
.page-contact .checklist-section{
  position: relative;
}

.page-contact .checklist{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .check-item{
  position: relative;
}

.page-contact .check-item__box{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .check-item__label{
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(150deg, rgba(14,19,25,.96), rgba(6,8,11,.96));
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .check-item__label:hover{
  border-color: var(--green);
  transform: translateY(-3px);
}

.page-contact .check-item__box:focus-visible + .check-item__label{
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-contact .check-item__mark{
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: .15rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink-900);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .check-item__mark::after{
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(42deg) scale(.4);
  opacity: 0;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-contact .check-item__box:checked + .check-item__label .check-item__mark{
  background: var(--green);
  border-color: var(--green);
  box-shadow: var(--contact-glow);
}

.page-contact .check-item__box:checked + .check-item__label .check-item__mark::after{
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.page-contact .check-item__idx{
  flex: 0 0 auto;
  margin-top: .2rem;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .check-item__body{
  display: grid;
  gap: .25rem;
}

.page-contact .check-item__body strong{
  font-size: 1rem;
  color: var(--text);
}

.page-contact .check-item__body span{
  font-size: .87rem;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 处理顺序 ---------- */
.page-contact .timeline{
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-contact .timeline__item{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1.1rem;
  padding: 1.15rem 0;
  border-top: 1px dashed var(--line);
}

.page-contact .timeline__item:last-child{
  border-bottom: 1px dashed var(--line);
}

.page-contact .timeline__idx{
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 14px rgba(53,247,155,.35);
  line-height: 1.5;
}

.page-contact .timeline__body h3{
  margin: 0 0 .35rem;
  font-size: 1.05rem;
}

.page-contact .timeline__body p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 自助排查 ---------- */
.page-contact .selfhelp__inner{
  padding: 1.8rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background:
    linear-gradient(115deg, rgba(53,247,155,.09), rgba(42,31,77,.35) 55%, rgba(6,8,11,.9)),
    var(--panel);
}

.page-contact .selfhelp__text p{
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-contact .selfhelp__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.2rem;
}

/* ---------- 地区与备案 ---------- */
.page-contact .region{
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.page-contact .region__bg{
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .18;
  pointer-events: none;
}

.page-contact .region__bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  height: auto;
  min-height: 100%;
}

.page-contact .region::after{
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(70% 60% at 15% 20%, rgba(6,8,11,.35), rgba(6,8,11,.92) 78%);
  pointer-events: none;
}

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

.page-contact .region__facts{
  display: grid;
  gap: 1rem;
  margin: 1.2rem 0 0;
}

.page-contact .region__fact{
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: rgba(14,19,25,.72);
}

.page-contact .region__fact dt{
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--text-3);
  margin-bottom: .35rem;
}

.page-contact .region__fact dd{
  margin: 0;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .region__fact dd.mono{
  font-size: 1.05rem;
  color: var(--green);
}

.page-contact .region__links{
  margin: 1.4rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .region__links a{
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53,247,155,.35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

/* ---------- 焦点统一 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible{
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px){
  .page-contact .checklist{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .region__facts{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .selfhelp__inner{
    padding: 2.4rem 2.4rem;
  }
}

@media (min-width: 960px){
  .page-contact .paths{
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
    gap: 2.4rem;
  }

  .page-contact .paths__media{
    position: sticky;
    top: 6rem;
  }

  .page-contact .timeline__item{
    grid-template-columns: 74px 1fr;
    padding: 1.5rem 0;
  }

  .page-contact .timeline__idx{
    font-size: 1.5rem;
  }

  .page-contact .region__facts{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .path,
  .page-contact .check-item__label,
  .page-contact .check-item__mark,
  .page-contact .check-item__mark::after{
    transition: none;
  }

  .page-contact .path:hover,
  .page-contact .check-item__label:hover{
    transform: none;
  }
}