.page-contact{
  --cc-space: clamp(16px, 2.4vw, 26px);
  position: relative;
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4.5vw, 52px) clamp(28px, 5.5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before{
  content: "";
  position: absolute;
  top: -24%;
  right: -12%;
  width: min(620px, 78vw);
  height: 150%;
  background: linear-gradient(150deg, rgba(53,230,208,.16), rgba(53,230,208,0) 64%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-contact .breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .breadcrumb a{
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}

.page-contact .breadcrumb a:hover{
  border-bottom-color: var(--cyan-soft);
}

.page-contact .contact-hero__grid{
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: center;
}

.page-contact .contact-hero__copy h1{
  margin: 8px 0 16px;
  font-size: clamp(29px, 5.2vw, 52px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--text);
}

.page-contact .lead{
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 54ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--text);
}

.page-contact .contact-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-media{
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
}

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

/* 索引带 */
.page-contact .index-rail{
  margin-top: clamp(24px, 4vw, 42px);
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .index-rail__list{
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .index-rail__link{
  display: inline-block;
  padding: 4px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .index-rail__link:hover,
.page-contact .index-rail__link[aria-current="true"]{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 渠道命令台 ---------- */
.page-contact .console-section{
  padding-block: clamp(32px, 5.5vw, 74px);
}

.page-contact .section-head{
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.5vw, 38px);
}

.page-contact .section-head h2{
  margin: 8px 0 10px;
  font-size: clamp(22px, 3.4vw, 33px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .section-head__lead{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .console-wrap{
  display: grid;
  gap: var(--cc-space);
}

.page-contact .channel-stack{
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel-card{
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 2.2vw, 24px) clamp(16px, 2.4vw, 26px);
  background: linear-gradient(155deg, rgba(18,50,74,.95), rgba(12,36,56,.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 18px 44px -34px rgba(0,0,0,.95);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.page-contact .channel-card::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
  opacity: .85;
}

.page-contact .channel-card--coral::before{
  background: var(--coral);
}

.page-contact .channel-card:hover{
  transform: translateY(-2px);
  border-color: rgba(53,230,208,.5);
  box-shadow: 0 26px 54px -30px rgba(0,0,0,.98);
}

.page-contact .channel-card__head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .channel-card__icon{
  display: inline-flex;
  width: 34px;
  height: 34px;
  color: var(--cyan);
}

.page-contact .channel-card--coral .channel-card__icon{
  color: var(--coral);
}

.page-contact .channel-card__icon svg{
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .channel-card__status{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan-soft);
}

.page-contact .channel-card__title{
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .channel-card__value{
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: clamp(18px, 2.5vw, 24px);
  letter-spacing: -.01em;
  color: var(--cyan-soft);
  word-break: break-word;
}

.page-contact .channel-card--coral .channel-card__value{
  color: #FFB9A8;
}

.page-contact .channel-card__hint{
  margin: 0;
  padding-top: 11px;
  border-top: 1px dashed rgba(126,150,168,.3);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
  transition: color .24s ease;
}

.page-contact .channel-card:hover .channel-card__hint{
  color: var(--text);
}

/* 服务时段刻度 */
.page-contact .time-scale{
  margin: 4px 0 12px;
}

.page-contact .time-scale__bars{
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 18px;
}

.page-contact .time-scale__bars span{
  flex: 1;
  height: 6px;
  border-radius: 1px;
  background: rgba(53,230,208,.32);
}

.page-contact .time-scale__bars span:nth-child(odd){
  height: 13px;
  background: rgba(53,230,208,.62);
}

.page-contact .time-scale__labels{
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

/* ---------- 右栏 ---------- */
.page-contact .side-stack{
  display: grid;
  gap: var(--cc-space);
  align-content: start;
}

.page-contact .side-panel{
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-contact .side-panel__title{
  margin: 8px 0 10px;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .side-panel__lead{
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .side-panel__note{
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(126,150,168,.18);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .side-panel__note a{
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143,247,236,.4);
}

.page-contact .side-panel__note a:hover{
  border-bottom-color: var(--cyan);
}

/* 暖纸面清单 */
.page-contact .side-panel--paper{
  background: var(--paper);
  border-color: rgba(10,16,20,.16);
  color: var(--paper-ink);
}

.page-contact .side-panel--paper .eyebrow{
  color: rgba(10,16,20,.58);
}

.page-contact .side-panel--paper .side-panel__title{
  color: var(--paper-ink);
}

.page-contact .side-panel--paper .side-panel__lead{
  color: rgba(10,16,20,.72);
}

.page-contact .checklist{
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist__label{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(10,16,20,.16);
  border-radius: var(--radius);
  background: rgba(255,255,255,.52);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper-ink);
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}

.page-contact .checklist__label:hover{
  border-color: rgba(10,16,20,.4);
  background: rgba(255,255,255,.78);
}

.page-contact .checklist__label:has(.checklist__box:checked){
  border-color: #0A1014;
  background: #fff;
}

.page-contact .checklist__box{
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(10,16,20,.5);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
}

.page-contact .checklist__box::after{
  content: "";
  width: 8px;
  height: 4px;
  margin-bottom: 2px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(-45deg) scale(0);
  transition: transform .16s ease;
}

.page-contact .checklist__box:checked{
  background: #0A1014;
  border-color: #0A1014;
}

.page-contact .checklist__box:checked::after{
  transform: rotate(-45deg) scale(1);
}

.page-contact .checklist__box:focus-visible{
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-contact .checklist__text strong{
  font-weight: 700;
  color: #0A1014;
}

/* 方图 */
.page-contact .side-media{
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-700);
}

.page-contact .side-media img{
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
}

/* 站点信息 */
.page-contact .facts{
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-contact .fact{
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(126,150,168,.16);
}

.page-contact .fact:last-child{
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .fact__label{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .fact__value{
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  word-break: break-word;
}

.page-contact .fact__value--mono{
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--cyan-soft);
}

.page-contact .icp{
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid rgba(143,247,236,.45);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan-soft);
}

/* ---------- 常见问题速览带 ---------- */
.page-contact .quick-band{
  padding-block: clamp(30px, 5vw, 62px) clamp(34px, 5.5vw, 68px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12,36,56,.72), rgba(6,24,38,0));
}

.page-contact .quick-band__head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-contact .quick-band h2{
  margin: 8px 0 0;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .quick-band__lead{
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .quick-list{
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-contact .quick-list li{
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-contact .quick-pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(126,150,168,.32);
  border-radius: 999px;
  background: var(--ink-800);
  color: var(--text);
  font-size: 13.5px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-contact .quick-pill::before{
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  flex: 0 0 auto;
}

.page-contact .quick-pill:hover{
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}

.page-contact .quick-band__foot{
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .quick-band__foot a{
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143,247,236,.4);
}

.page-contact .quick-band__foot a:hover{
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-contact .side-media img{
    height: 240px;
  }
}

@media (min-width: 900px){
  .page-contact .contact-hero__grid{
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

@media (min-width: 960px){
  .page-contact .console-wrap{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .channel-stack{
    gap: 16px;
  }
}

@media (min-width: 1180px){
  .page-contact .side-stack{
    gap: clamp(18px, 2vw, 24px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .channel-card,
  .page-contact .channel-card__hint,
  .page-contact .quick-pill,
  .page-contact .checklist__box,
  .page-contact .checklist__box::after{
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .quick-pill:hover{
    transform: none;
  }
}