/* ===== 页面作用域：.page-contact ===== */
.page-contact{
  --contact-bg-radial: radial-gradient(ellipse at 85% 10%, rgba(0, 180, 216, 0.08) 0%, transparent 60%),
                      radial-gradient(ellipse at 15% 40%, rgba(198, 255, 0, 0.04) 0%, transparent 50%);
  --contact-border: 2px solid var(--grid-line);
  --contact-shadow: 8px 8px 0 rgba(5, 8, 13, 0.6);
  --contact-font-mono: "IBM Plex Mono", "Noto Sans SC", "Microsoft YaHei", monospace;
  background: var(--contact-bg-radial);
  color: var(--bone-white);
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumb{
  padding-top: 6.5rem;
  margin-bottom: 2rem;
}
.page-contact .breadcrumb-list{
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-family: var(--contact-font-mono);
  color: var(--steel-blue);
  letter-spacing: 0.02em;
}
.page-contact .breadcrumb-item{
  color: var(--steel-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-contact .breadcrumb-item + .breadcrumb-item::before{
  content: "→";
  margin-right: 0.5rem;
  color: var(--neon-signal);
}
.page-contact .breadcrumb-item[aria-current="page"]{
  color: var(--bone-white);
}

/* ===== 首屏联系英雄区 ===== */
.page-contact .contact-hero{
  position: relative;
  padding: 2rem 0 3.5rem;
  margin-bottom: 1rem;
}
.page-contact .contact-hero::before{
  content: "";
  position: absolute;
  top: 0;
  left: -2rem;
  width: calc(100% + 4rem);
  height: 3px;
  background: linear-gradient(90deg, var(--neon-signal) 0%, var(--thermal-orange) 50%, transparent 100%);
  opacity: 0.7;
}
.page-contact .contact-hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
.page-contact .contact-hero__main{
  position: relative;
  z-index: 2;
}
.page-contact .contact-hero .chapter-label{
  display: inline-block;
  font-family: var(--contact-font-mono);
  color: var(--neon-signal);
  letter-spacing: 0.12em;
  font-size: 0.875rem;
  margin-bottom: 0.875rem;
}
.page-contact .contact-hero .page-title{
  font-family: var(--font-headline);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.05;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.01em;
  color: var(--bone-white);
}
.page-contact .contact-hero .page-lead{
  font-family: var(--contact-font-mono);
  font-size: 0.9375rem;
  color: var(--steel-blue);
  line-height: 1.7;
  max-width: 34rem;
  margin: 0 0 1.25rem 0;
}
.page-contact .contact-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}
.page-contact .contact-hero__signal{
  display: none;
}

/* ===== 章节通用头 ===== */
.page-contact .section{
  position: relative;
  padding: 3rem 0;
  border-top: var(--contact-border);
}
.page-contact .section-head{
  margin-bottom: 1.75rem;
}
.page-contact .section-head .chapter-label{
  display: inline-block;
  font-family: var(--contact-font-mono);
  color: var(--neon-signal);
  letter-spacing: 0.1em;
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}
.page-contact .section-title{
  font-family: var(--font-headline);
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0;
  color: var(--bone-white);
}
.page-contact .section-lead{
  font-family: var(--contact-font-mono);
  font-size: 0.875rem;
  color: var(--steel-blue);
  line-height: 1.6;
  margin: 0.75rem 0 0 0;
  max-width: 32rem;
}

/* ===== 直接联系卡片 ===== */
.page-contact .contact-direct__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.page-contact .contact-card{
  position: relative;
  display: flex;
  align-items: stretch;
  background: rgba(23, 38, 60, 0.85);
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
  padding: 1.25rem;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  cursor: default;
}
.page-contact .contact-card:hover,
.page-contact .contact-card:focus-visible{
  border-color: var(--neon-signal);
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(5, 8, 13, 0.7);
  outline: none;
}
.page-contact .contact-card__index{
  font-family: var(--font-headline);
  font-size: 2rem;
  color: var(--ink-void);
  -webkit-text-stroke: 1px var(--neon-signal);
  margin-right: 1rem;
  line-height: 1;
  padding-top: 0.25rem;
}
.page-contact .contact-card__body{
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  min-width: 0;
}
.page-contact .contact-card__label{
  font-family: var(--contact-font-mono);
  font-size: 0.75rem;
  color: var(--steel-blue);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-contact .contact-card__value{
  font-family: var(--contact-font-mono);
  font-size: clamp(1rem, 4vw, 1.625rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--bone-white);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s ease;
}
.page-contact .contact-card__value:hover{
  color: var(--neon-signal);
}
.page-contact .contact-card__value--phone{
  color: var(--thermal-orange);
}
.page-contact .contact-card__note{
  font-family: var(--contact-font-mono);
  font-size: 0.8125rem;
  color: var(--steel-blue);
  line-height: 1.5;
}
.page-contact .contact-card__slash{
  align-self: center;
  font-family: var(--contact-font-mono);
  font-size: 1.25rem;
  color: var(--grid-line);
  transform: skewX(-12deg);
}

/* ===== 直接联系提示 ===== */
.page-contact .contact-direct__tip{
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 107, 53, 0.06);
  border: 1px solid rgba(255, 107, 53, 0.35);
}
.page-contact .contact-direct__tip p{
  margin: 0;
  font-family: var(--contact-font-mono);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--bone-white);
}

/* ===== 商务地址区 ===== */
.page-contact .contact-address__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-contact .contact-address__lead{
  font-family: var(--contact-font-mono);
  font-size: 0.9375rem;
  color: var(--steel-blue);
  line-height: 1.6;
  margin: 0 0 1.25rem 0;
}
.page-contact .contact-address__block{
  position: relative;
  display: block;
  font-style: normal;
  padding: 1.5rem;
  background: var(--deep-space);
  border: var(--contact-border);
  border-left: 4px solid var(--archive-amber);
  margin-bottom: 1rem;
}
.page-contact .contact-address__line{
  display: block;
  font-family: var(--contact-font-mono);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--bone-white);
}
.page-contact .contact-address__coords{
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.35rem 0;
}
.page-contact .coords-dot{
  width: 8px;
  height: 8px;
  background: var(--neon-signal);
  border-radius: 50%;
  flex-shrink: 0;
}
.page-contact .coords-line{
  flex: 1;
  height: 1px;
  max-width: 7rem;
  background: repeating-linear-gradient(90deg, var(--grid-line) 0 4px, transparent 4px 8px);
}
.page-contact .coords-label{
  font-family: var(--contact-font-mono);
  font-size: 0.8125rem;
  color: var(--steel-blue);
}
.page-contact .contact-address__note{
  font-family: var(--contact-font-mono);
  font-size: 0.8125rem;
  color: var(--archive-amber);
  line-height: 1.6;
  margin: 0;
  max-width: 28rem;
}
.page-contact .contact-address__visual{
  position: relative;
}
.page-contact .address-map{
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
  object-fit: cover;
}
.page-contact .address-map__caption{
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--contact-font-mono);
  font-size: 0.75rem;
  color: var(--steel-blue);
  letter-spacing: 0.06em;
}

/* ===== 请求类型区 ===== */
.page-contact .contact-types__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-contact .type-card{
  position: relative;
  background: rgba(23, 38, 60, 0.65);
  border: 1px solid var(--grid-line);
  padding: 1.25rem;
  transition: border-color 0.2s ease, background 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 0px) 0, 100% 100%, 0 100%);
}
.page-contact .type-card::after{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 2.5rem;
  background: var(--grid-line);
  opacity: 0.8;
}
.page-contact .type-card:hover{
  border-color: var(--cyan-trace);
  background: rgba(23, 38, 60, 0.9);
}
.page-contact .type-card--data:hover{
  border-color: var(--neon-signal);
}
.page-contact .type-card--account:hover{
  border-color: var(--cyan-trace);
}
.page-contact .type-card--partner:hover{
  border-color: var(--archive-amber);
}
.page-contact .type-card--complaint:hover{
  border-color: var(--thermal-orange);
}
.page-contact .type-card__head{
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.page-contact .type-card__num{
  font-family: var(--font-headline);
  font-size: 1.125rem;
  color: var(--neon-signal);
}
.page-contact .type-card--account .type-card__num{ color: var(--cyan-trace); }
.page-contact .type-card--partner .type-card__num{ color: var(--archive-amber); }
.page-contact .type-card--complaint .type-card__num{ color: var(--thermal-orange); }
.page-contact .type-card__head h3{
  font-family: var(--font-headline);
  font-size: 1.125rem;
  margin: 0;
  color: var(--bone-white);
  letter-spacing: 0.02em;
}
.page-contact .type-card p{
  font-family: var(--contact-font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--steel-blue);
  margin: 0 0 1rem 0;
}
.page-contact .type-card__route{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.page-contact .type-card__route a{
  font-family: var(--contact-font-mono);
  font-size: 0.8125rem;
  color: var(--bone-white);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-line);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
  word-break: break-all;
}
.page-contact .type-card__route a:hover{
  border-color: var(--neon-signal);
  color: var(--neon-signal);
}

/* ===== 反馈处理流程 ===== */
.page-contact .contact-flow__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-contact .contact-flow__image{
  order: 2;
}
.page-contact .flow-diagram{
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
  object-fit: cover;
}
.page-contact .flow-steps{
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: flow;
}
.page-contact .flow-step{
  position: relative;
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(42, 61, 92, 0.5);
}
.page-contact .flow-step:first-child{
  border-top: 1px solid rgba(42, 61, 92, 0.5);
}
.page-contact .flow-step__index{
  font-family: var(--font-headline);
  font-size: 1.75rem;
  color: transparent;
  -webkit-text-stroke: 1px var(--neon-signal);
  line-height: 1;
  width: 3.5rem;
  flex-shrink: 0;
}
.page-contact .flow-step__body h3{
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  margin: 0 0 0.25rem 0;
  color: var(--bone-white);
}
.page-contact .flow-step__body p{
  font-family: var(--contact-font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--steel-blue);
  margin: 0;
}
.page-contact .contact-flow__note{
  margin: 1.25rem 0 0 0;
  font-family: var(--contact-font-mono);
  font-size: 0.75rem;
  color: var(--archive-amber);
  line-height: 1.5;
  padding-left: 5rem;
}

/* ===== 引导快速核对区 ===== */
.page-contact .contact-guide{
  padding-bottom: 4.5rem !important;
}
.page-contact .contact-guide__inner{
  background: rgba(5, 8, 13, 0.35);
  border: var(--contact-border);
  padding: 1.5rem;
}
.page-contact .contact-guide .chapter-label{
  font-family: var(--contact-font-mono);
  color: var(--neon-signal);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}
.page-contact .contact-guide .section-title{
  font-size: 1.25rem;
  margin: 0.25rem 0 1.25rem 0;
}
.page-contact .contact-guide__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}
.page-contact .guide-item{
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}
.page-contact .guide-item__mark{
  font-family: var(--contact-font-mono);
  color: var(--thermal-orange);
  font-size: 1rem;
  line-height: 1.5;
  flex-shrink: 0;
}
.page-contact .guide-item p{
  margin: 0;
  font-family: var(--contact-font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--steel-blue);
}
.page-contact .guide-item a{
  color: var(--bone-white);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-line);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-contact .guide-item a:hover{
  color: var(--cyan-trace);
  border-color: var(--cyan-trace);
}

/* ===== 信号波纹动画 ===== */
.page-contact .contact-hero{
  position: relative;
}
.page-contact .contact-hero::after{
  content: "";
  position: absolute;
  right: -2rem;
  top: 1rem;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid rgba(198, 255, 0, 0.15);
  opacity: 0.8;
  pointer-events: none;
}
.page-contact .contact-hero__signal .signal-waves{
  width: 100%;
  max-width: 400px;
  height: auto;
}

/* ===== 图片通用 ===== */
.page-contact .img-frame{
  max-width: 100%;
  height: auto;
  display: block;
}
.page-contact .ratio-wide{
  aspect-ratio: 720 / 400;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .ratio-square{
  aspect-ratio: 640 / 480;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 标签微调 ===== */
.page-contact .tag,
.page-contact .tag-neon,
.page-contact .tag-orange{
  font-family: var(--contact-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.625rem;
  border: 1px solid var(--grid-line);
  color: var(--bone-white);
  line-height: 1.2;
}
.page-contact .tag-neon{
  border-color: rgba(198, 255, 0, 0.4);
  color: var(--neon-signal);
  background: rgba(198, 255, 0, 0.06);
}
.page-contact .tag-orange{
  border-color: rgba(255, 107, 53, 0.4);
  color: var(--thermal-orange);
  background: rgba(255, 107, 53, 0.06);
}
.page-contact .tag-amber{
  border-color: rgba(255, 209, 102, 0.4);
  color: var(--archive-amber);
}

/* ===== 媒体查询：平板 768px ===== */
@media (min-width: 768px){
  .page-contact .contact-hero__grid{
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
  }
  .page-contact .contact-hero__signal{
    display: block;
    justify-self: end;
    align-self: center;
  }
  .page-contact .contact-direct__grid{
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-card{
    padding: 1.75rem 1.5rem;
  }
  .page-contact .contact-address__grid{
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
  .page-contact .contact-address__content{
    padding-top: 0.75rem;
  }
  .page-contact .contact-types__grid{
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .type-card{
    padding: 1.5rem;
  }
  .page-contact .contact-flow__grid{
    grid-template-columns: 2fr 3fr;
    align-items: start;
  }
  .page-contact .contact-flow__image{
    order: 0;
    position: sticky;
    top: 8.5rem;
  }
  .page-contact .contact-guide__grid{
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== 媒体查询：桌面 1024px ===== */
@media (min-width: 1024px){
  .page-contact .contact-hero{
    padding: 4rem 0 4.5rem;
  }
  .page-contact .contact-hero::after{
    width: 220px;
    height: 220px;
    right: 8%;
    top: -1rem;
  }
  .page-contact .contact-hero__signal .signal-waves{
    max-width: 460px;
  }
  .page-contact .section{
    padding: 4.5rem 0;
  }
  .page-contact .contact-types__grid{
    grid-template-columns: repeat(4, 1fr);
    gap: 0.875rem;
  }
  .page-contact .type-card{
    padding: 1.125rem;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  }
  .page-contact .type-card::before{
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: var(--neon-signal);
    opacity: 0.5;
  }
  .page-contact .contact-flow__grid{
    grid-template-columns: 5fr 7fr;
  }
  .page-contact .contact-guide__inner{
    padding: 2rem 2.5rem;
  }
  .page-contact .contact-guide__grid{
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 2.5rem;
  }
}

/* ===== 媒体查询：大桌面 1280px ===== */
@media (min-width: 1280px){
  .page-contact .contact-direct__grid{
    gap: 1.75rem;
  }
  .page-contact .contact-card__value{
    font-size: 1.75rem;
  }
  .page-contact .contact-address__block{
    padding: 2rem;
  }
  .page-contact .contact-address__line{
    font-size: 1.25rem;
  }
}

/* ===== 打印样式不生效，保留最小可读性 ===== */
@media (max-width: 640px){
  .page-contact .contact-card__slash{
    display: none;
  }
  .page-contact .flow-step__index{
    width: 2.75rem;
    font-size: 1.375rem;
  }
  .page-contact .contact-flow__note{
    padding-left: 0;
  }
  .page-contact .contact-hero{
    padding-top: 1.5rem;
  }
}