/* ===== 联系我们页面专属样式 .page-contact ===== */
.page-contact{
  --radius-hero: 28px;
  position: relative;
  background:
    linear-gradient(rgba(230,232,238,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230,232,238,.04) 1px, transparent 1px),
    var(--bg-body);
  background-size: 44px 44px;
  overflow-x: hidden;
}

.page-contact section[id]{
  scroll-margin-top: calc(var(--header-height) + 20px);
}

/* ---- 框景首屏 ---- */
.page-contact .contact-hero{
  padding-top: calc(var(--header-height) + 16px);
  padding-bottom: 0;
}

.page-contact .contact-hero-frame{
  position: relative;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-hero);
  background: linear-gradient(135deg, rgba(10,31,68,.92) 0%, rgba(14,42,94,.72) 100%);
  padding: clamp(1.8rem, 5vw, 4rem);
  overflow: hidden;
}

.page-contact .contact-hero-frame::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-banner-blue) 0%, var(--c-moss) 25%, var(--c-accent) 50%, var(--c-clay) 75%, var(--c-banner-red) 100%);
  z-index: 2;
}

.page-contact .contact-corner{
  position: absolute;
  width: 18px;
  height: 18px;
  border: 0 solid var(--c-accent);
  opacity: .9;
  z-index: 2;
}
.page-contact .contact-corner--tl{ top: 12px; left: 12px; border-top-width: 2px; border-left-width: 2px; border-top-left-radius: 6px; }
.page-contact .contact-corner--tr{ top: 12px; right: 12px; border-top-width: 2px; border-right-width: 2px; border-top-right-radius: 6px; }
.page-contact .contact-corner--bl{ bottom: 12px; left: 12px; border-bottom-width: 2px; border-left-width: 2px; border-bottom-left-radius: 6px; }
.page-contact .contact-corner--br{ bottom: 12px; right: 12px; border-bottom-width: 2px; border-right-width: 2px; border-bottom-right-radius: 6px; }

.page-contact .contact-hero-grid{
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-contact .contact-hero-kicker{
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-contact .contact-hero-title{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.1;
  color: var(--c-cream);
}

.page-contact .contact-hero-desc{
  max-width: 52ch;
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .contact-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero-media{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}

.page-contact .contact-hero-media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-hero-media::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-radial-gradient(circle at 72% 38%, transparent 0 16px, rgba(242,182,50,.1) 17px 18px),
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(230,232,238,.18) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgba(230,232,238,.18) 50%, transparent calc(50% + 1px));
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ---- 页内锚点导航 ---- */
.page-contact .contact-anchor-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(2rem, 6vw, 3.6rem);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--border-light);
}

.page-contact .contact-anchor-nav a{
  color: var(--text-muted);
  font-size: 14px;
  letter-spacing: .05em;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

.page-contact .contact-anchor-nav a:hover{
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

/* ---- 客服渠道 ---- */
.page-contact .contact-channel-grid{
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-contact .contact-channel-card{
  position: relative;
  border-radius: var(--radius-hero);
  padding: clamp(1.5rem, 4vw, 2.4rem);
  background: var(--surface-glass);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease;
}

.page-contact .contact-channel-card:hover{
  transform: translateY(-4px);
  border-color: rgba(242,182,50,.45);
}

.page-contact .contact-channel-code{
  display: inline-block;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-accent);
  background: rgba(242,182,50,.1);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.page-contact .contact-channel-card h3{
  margin: 0 0 10px;
  color: var(--c-cream);
  font-size: 20px;
  line-height: 1.4;
}

.page-contact .contact-channel-card p{
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-channel-desc{
  margin-bottom: 16px !important;
}

.page-contact .contact-channel-main{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  padding: 14px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.page-contact .contact-channel-icon{
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(230,232,238,.08);
  color: var(--c-accent);
}

.page-contact .contact-channel-icon--lg{
  width: 52px;
  height: 52px;
  border-radius: 16px;
}

.page-contact .contact-channel-main a{
  color: var(--c-accent);
  font-family: var(--font-display);
  font-size: .98rem;
  letter-spacing: .02em;
  line-height: 1.5;
  word-break: break-all;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: rgba(242,182,50,.4);
}

.page-contact .contact-channel-note{
  margin-top: 4px !important;
}

.page-contact .contact-channel-inner{
  display: grid;
  gap: 18px;
  margin-top: 6px;
}

.page-contact .contact-channel-time-main p{
  color: var(--c-cream);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 600;
}

/* ---- 商务合作 ---- */
.page-contact .contact-business{
  position: relative;
  overflow: hidden;
  padding: var(--section-space) 0;
}

.page-contact .contact-business::before{
  content: "";
  position: absolute;
  inset: -10% -5%;
  background: linear-gradient(100deg, var(--bg-deep) 20%, var(--bg-elevated) 60%, var(--c-nebula) 130%);
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-business > .container{
  position: relative;
  z-index: 1;
}

.page-contact .contact-business-layout{
  display: grid;
  gap: 32px;
}

.page-contact .contact-business-copy .section-desc{
  max-width: 52ch;
}

.page-contact .contact-business-intro{
  margin: 0;
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.9;
}

.page-contact .contact-business-list{
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-business-list li{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .contact-business-list li::before{
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--c-accent);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.page-contact .contact-business-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-contact .contact-stat-card{
  border-radius: var(--radius-lg);
  background: rgba(10,31,68,.55);
  border: 1px solid var(--glass-border);
  padding: 16px 18px;
}

.page-contact .contact-stat-num{
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--c-accent);
  line-height: 1.2;
}

.page-contact .contact-stat-label{
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-muted);
}

.page-contact .contact-business-note{
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-hero);
  background: var(--c-cream);
  border: 1px solid rgba(230,232,238,.2);
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .contact-business-note::after{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, transparent 50%, rgba(242,182,50,.28) 50%);
  border-radius: 0 var(--radius-hero) 0 0;
}

.page-contact .contact-business-note p{
  margin: 0;
  color: var(--c-primary);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .contact-business-note-intro{
  margin-top: 16px !important;
}

.page-contact .contact-business-email{
  margin: 16px 0 !important;
}

.page-contact .contact-business-email a{
  color: var(--c-primary);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  line-height: 1.5;
  word-break: break-all;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  text-decoration-color: var(--c-accent);
}

.page-contact .contact-business-note-foot{
  font-size: 13px !important;
  opacity: .8;
}

/* ---- 办公地址 ---- */
.page-contact .contact-address-layout{
  display: grid;
  gap: 32px;
}

.page-contact .contact-flip-card{
  perspective: 1200px;
  border-radius: var(--radius-hero);
}

.page-contact .contact-flip-inner{
  position: relative;
  transform-style: preserve-3d;
  transition: transform .55s cubic-bezier(.22,1,.36,1);
}

.page-contact .contact-flip-card:hover .contact-flip-inner,
.page-contact .contact-flip-card:focus-within .contact-flip-inner{
  transform: rotateY(180deg);
}

.page-contact .contact-flip-face{
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-hero);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}

.page-contact .contact-flip-face img{
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-flip-front{
  position: relative;
}

.page-contact .contact-flip-front::after{
  content: "地图示意 · 悬停翻转";
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(10,31,68,.82);
  color: var(--c-accent);
  font-size: 12px;
  letter-spacing: .06em;
  backdrop-filter: blur(4px);
}

.page-contact .contact-flip-back{
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
  display: grid;
  place-items: center;
  padding: 22px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(108,75,142,.42), rgba(10,31,68,.92)),
    var(--bg-deep);
}

.page-contact .contact-flip-back p{
  margin: 0;
  color: var(--c-cream);
  font-size: clamp(1.2rem, 2.8vw, 1.9rem);
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .contact-flip-back span{
  display: block;
  margin-top: 12px;
  color: var(--c-accent);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .16em;
}

.page-contact .contact-address-copy{
  border-radius: var(--radius-hero);
  border: 1px solid var(--glass-border);
  padding: clamp(1.8rem, 4vw, 3rem);
  background-image:
    linear-gradient(rgba(230,232,238,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230,232,238,.05) 1px, transparent 1px),
    linear-gradient(135deg, rgba(10,31,68,.92), rgba(14,42,94,.78));
  background-size: 32px 32px, 32px 32px, 100% 100%;
}

.page-contact .contact-address-line{
  margin: 0 0 14px;
  color: var(--c-cream);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  line-height: 1.5;
}

.page-contact .contact-address-note{
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-address-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---- 反馈流程 ---- */
.page-contact .contact-feedback-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .contact-feedback-step{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  border: 1px solid var(--glass-border);
  padding: 22px;
  transition: border-color .25s ease;
}

.page-contact .contact-feedback-step:hover{
  border-color: rgba(242,182,50,.4);
}

.page-contact .contact-feedback-num{
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--c-accent);
  line-height: 1;
  margin-top: 4px;
}

.page-contact .contact-feedback-step h3{
  margin: 0 0 8px;
  color: var(--c-cream);
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .contact-feedback-step p{
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-feedback-note{
  margin-top: 24px;
  border-radius: var(--radius-lg);
}

.page-contact .contact-feedback-note p{
  margin: 0;
}

/* ---- 继续探索 ---- */
.page-contact .contact-meta-links{
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, 1fr);
}

.page-contact .contact-meta-link{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  padding: 18px 20px;
  color: var(--text-main);
  font-size: 14px;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.page-contact .contact-meta-link:hover{
  border-color: var(--c-accent);
  background: rgba(242,182,50,.08);
  transform: translateY(-2px);
}

.page-contact .contact-meta-arrow{
  color: var(--c-accent);
  font-size: 18px;
  flex-shrink: 0;
}

/* ---- 平板 ---- */
@media (min-width: 768px){
  .page-contact .contact-channel-grid{
    grid-template-columns: repeat(6, 1fr);
  }

  .page-contact .contact-channel-card--email{
    grid-column: span 6;
  }

  .page-contact .contact-channel-card--phone{
    grid-column: span 3;
  }

  .page-contact .contact-channel-card--time{
    grid-column: span 3;
  }

  .page-contact .contact-channel-inner{
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
  }

  .page-contact .contact-business-stats{
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-feedback-steps{
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-meta-links{
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- 桌面 ---- */
@media (min-width: 1024px){
  .page-contact .contact-hero-grid{
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }

  .page-contact .contact-channel-grid{
    grid-template-columns: repeat(12, 1fr);
  }

  .page-contact .contact-channel-card--email{
    grid-column: span 7;
  }

  .page-contact .contact-channel-card--phone{
    grid-column: span 5;
  }

  .page-contact .contact-channel-card--time{
    grid-column: span 12;
  }

  .page-contact .contact-business-layout{
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 60px;
  }

  .page-contact .contact-address-layout{
    grid-template-columns: 6fr 6fr;
    align-items: center;
    gap: 48px;
  }

  .page-contact .contact-feedback-steps{
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-channel-main a{
    font-size: 1.18rem;
  }
}