/* ===== 反馈通道 / feedback ===== */
.page-contact{
  --pc-r:26px;
  --pc-r-sm:16px;
  --pc-gap:18px;
  position:relative;
  background:
    radial-gradient(920px 540px at 84% -8%, rgba(123,92,255,.16), transparent 64%),
    radial-gradient(760px 480px at 4% 2%, rgba(227,177,90,.12), transparent 62%),
    var(--ink);
  color:var(--paper);
  overflow-x:hidden;
}
.page-contact .wrap{ position:relative; z-index:2; }

/* ---------- 首屏 ---------- */
.page-contact .channel-hero{
  position:relative;
  padding:26px 0 4px;
}
.page-contact .channel-hero__bg{
  position:absolute;
  inset:0;
  z-index:1;
  overflow:hidden;
  pointer-events:none;
}
.page-contact .channel-hero__bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.4;
}
.page-contact .channel-hero__bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,
    rgba(11,22,48,.5) 0%,
    rgba(11,22,48,.84) 58%,
    var(--ink) 100%);
}

.page-contact .crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--mist);
  margin:0 0 30px;
}
.page-contact .crumbs a{ color:var(--mist); text-decoration:none; border-bottom:1px solid transparent; }
.page-contact .crumbs a:hover{ color:var(--gold); border-bottom-color:var(--line-gold); }
.page-contact .crumbs__sep{ color:rgba(138,150,184,.6); }

.page-contact .channel-hero__kicker{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--gold);
  margin:0 0 16px;
}
.page-contact .channel-hero__title{
  font-family:var(--f-display);
  font-weight:300;
  font-size:clamp(32px,7.4vw,64px);
  line-height:1.14;
  letter-spacing:.005em;
  color:var(--white);
  margin:0 0 18px;
  max-width:19ch;
}
.page-contact .channel-hero__lead{
  font-size:clamp(15px,2.2vw,17px);
  line-height:1.8;
  color:#C4CEE6;
  max-width:64ch;
  margin:0 0 40px;
}

/* ---------- 三张渠道卡 ---------- */
.page-contact .channel-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--pc-gap);
}
.page-contact .chan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:24px 22px 22px;
  border-radius:var(--pc-r);
  background:linear-gradient(180deg, rgba(20,34,72,.94) 0%, rgba(11,22,48,.96) 100%);
  border:1px solid var(--line-gold);
  box-shadow:var(--shadow);
  transition:transform .3s ease, border-color .3s ease;
}
.page-contact .chan-card:hover,
.page-contact .chan-card:focus-within{
  transform:translateY(-3px);
  border-color:rgba(227,177,90,.56);
}
.page-contact .chan-card--mail{
  background:linear-gradient(180deg, rgba(31,28,74,.94) 0%, rgba(11,22,48,.96) 100%);
  border-color:rgba(123,92,255,.3);
}
.page-contact .chan-card--mail:hover,
.page-contact .chan-card--mail:focus-within{
  border-color:rgba(123,92,255,.66);
}
.page-contact .chan-card__no{
  align-self:flex-start;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--gold);
  padding:5px 13px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-gold);
  background:rgba(227,177,90,.08);
  margin-bottom:16px;
}
.page-contact .chan-card--mail .chan-card__no{
  color:var(--violet);
  border-color:rgba(123,92,255,.36);
  background:rgba(123,92,255,.1);
}
.page-contact .chan-card__title{
  font-family:var(--f-display);
  font-weight:700;
  font-size:22px;
  line-height:1.35;
  color:var(--white);
  margin:0 0 10px;
}
.page-contact .chan-card__desc{
  font-size:14.5px;
  line-height:1.8;
  color:#B7C1DB;
  margin:0 0 16px;
}
.page-contact .chan-card__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0 0 4px;
  padding:0;
}
.page-contact .chan-card__extra{
  max-height:0;
  overflow:hidden;
  opacity:0;
  margin-top:0;
  transition:max-height .34s ease, opacity .3s ease, margin-top .34s ease;
}
.page-contact .chan-card:hover .chan-card__extra,
.page-contact .chan-card:focus-within .chan-card__extra{
  max-height:280px;
  opacity:1;
  margin-top:16px;
}
.page-contact .chan-card__extra-t{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--jade);
  margin:0 0 8px;
}
.page-contact .chan-card--mail .chan-card__extra-t{ color:var(--gold-light); }
.page-contact .chan-card__extra-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:6px;
}
.page-contact .chan-card__extra-list li{
  position:relative;
  padding-left:16px;
  font-size:13.5px;
  line-height:1.7;
  color:#9FABC9;
}
.page-contact .chan-card__extra-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
  opacity:.7;
}
.page-contact .chan-card--mail .chan-card__extra-list li::before{ background:var(--violet); }
.page-contact .chan-card__meta{
  margin:auto 0 0;
  padding-top:16px;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--gold-light);
  border-top:1px solid var(--line-mist);
  word-break:break-all;
}
.page-contact .chan-card__extra + .chan-card__meta{ margin-top:16px; }

/* ---------- 区块头部 ---------- */
.page-contact .section{ padding:76px 0 0; }
.page-contact .section__head{ max-width:74ch; margin:0 0 28px; }
.page-contact .section__no{
  display:inline-block;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--gold);
  margin-bottom:12px;
}
.page-contact .h-section{
  font-family:var(--f-display);
  font-weight:700;
  font-size:clamp(24px,4.4vw,32px);
  line-height:1.34;
  color:var(--white);
  margin:0 0 12px;
}
.page-contact .section__band{
  font-size:15px;
  line-height:1.78;
  color:#A8B4D0;
  margin:0;
  padding-left:16px;
  border-left:2px solid rgba(227,177,90,.4);
}

/* ---------- 受理范围 ---------- */
.page-contact .scope__filters{ margin:0 0 24px; }
.page-contact .scope__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.page-contact .scope__item{
  display:flex;
  flex-direction:column;
  padding:20px 18px 16px;
  border-radius:var(--pc-r-sm);
  background:rgba(20,34,72,.7);
  border:1px solid var(--line-mist);
  transition:border-color .26s ease, background .26s ease, transform .26s ease;
}
.page-contact .scope__item:hover{
  border-color:var(--line-gold);
  background:rgba(27,44,87,.78);
  transform:translateY(-2px);
}
.page-contact .scope__item[hidden]{ display:none; }
.page-contact .scope__title{
  font-family:var(--f-display);
  font-weight:700;
  font-size:17px;
  line-height:1.4;
  color:var(--white);
  margin:0 0 8px;
}
.page-contact .scope__desc{
  font-size:14px;
  line-height:1.78;
  color:#A9B4CF;
  margin:0 0 14px;
}
.page-contact .scope__chans{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:auto;
}
.page-contact .minichan{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.08em;
  padding:3px 10px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-mist);
  color:var(--mist);
}

/* ---------- 调阅申请 ---------- */
.page-contact .retrieve__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
.page-contact .steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:14px;
}
.page-contact .step{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:18px;
  border-radius:var(--pc-r-sm);
  background:rgba(20,34,72,.58);
  border:1px solid var(--line-mist);
}
.page-contact .step__no{
  width:40px;
  height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-family:var(--f-mono);
  font-size:13px;
  color:var(--gold);
  border:1px solid var(--line-gold);
  background:rgba(227,177,90,.08);
}
.page-contact .step__title{
  font-family:var(--f-display);
  font-weight:700;
  font-size:16px;
  color:var(--white);
  margin:0 0 6px;
  line-height:1.5;
}
.page-contact .step__text{
  font-size:14px;
  line-height:1.78;
  color:#A9B4CF;
  margin:0;
}
.page-contact .window-card{
  border-radius:var(--pc-r);
  padding:24px 22px;
  background:linear-gradient(158deg, rgba(95,211,180,.14) 0%, rgba(20,34,72,.9) 62%);
  border:1px solid rgba(95,211,180,.28);
}
.page-contact .window-card__label{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--jade);
  margin:0 0 8px;
}
.page-contact .window-card__num{
  font-family:var(--f-mono);
  font-weight:600;
  font-size:38px;
  line-height:1.1;
  color:var(--white);
  margin:0 0 10px;
}
.page-contact .window-card__num .num{ color:var(--gold-light); }
.page-contact .window-card__text{
  font-size:14px;
  line-height:1.78;
  color:#AEB9D4;
  margin:0;
}
.page-contact .window-card__rule{
  border:0;
  border-top:1px solid rgba(95,211,180,.24);
  margin:20px 0;
}

/* ---------- 提交清单 ---------- */
.page-contact .prep__panel{
  background:var(--paper);
  color:var(--ink);
  border-radius:var(--r-lg);
  padding:26px 20px;
  box-shadow:0 2px 0 rgba(0,0,0,.2), 0 26px 50px -30px rgba(0,0,0,.8);
}
.page-contact .checklist{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
.page-contact .check{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:13px 14px;
  border-radius:14px;
  background:rgba(11,22,48,.05);
  border:1px solid rgba(11,22,48,.1);
  cursor:pointer;
  transition:background .22s ease, border-color .22s ease;
}
.page-contact .check:hover{
  background:rgba(11,22,48,.08);
  border-color:rgba(227,177,90,.6);
}
.page-contact .check__box{
  flex:0 0 20px;
  width:20px;
  height:20px;
  margin:2px 0 0;
  appearance:none;
  -webkit-appearance:none;
  border:2px solid rgba(11,22,48,.3);
  border-radius:6px;
  background:#fff;
  position:relative;
  cursor:pointer;
  transition:background .2s ease, border-color .2s ease;
}
.page-contact .check__box:checked{
  background:var(--jade);
  border-color:#3BB894;
}
.page-contact .check__box:checked::after{
  content:"";
  position:absolute;
  left:5px;
  top:1px;
  width:6px;
  height:11px;
  border:solid var(--ink);
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.page-contact .check__box:focus-visible{
  outline:2px solid var(--violet);
  outline-offset:2px;
}
.page-contact .check__text{
  font-size:14.5px;
  line-height:1.72;
  color:#1E2A47;
}
.page-contact .check__text strong{
  display:block;
  font-weight:700;
  font-size:15px;
  color:var(--ink);
  margin-bottom:2px;
}

/* ---------- 受理时段 ---------- */
.page-contact .rhythm__bar{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
.page-contact .rhythm__cell{
  position:relative;
  padding:22px 20px;
  border-radius:var(--pc-r-sm);
  background:rgba(20,34,72,.55);
  border:1px solid var(--line-mist);
}
.page-contact .rhythm__cell::before{
  content:"";
  position:absolute;
  left:20px;
  top:0;
  width:52px;
  height:2px;
  background:var(--gold);
}
.page-contact .rhythm__label{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--gold);
  margin:0 0 10px;
}
.page-contact .rhythm__value{
  font-family:var(--f-mono);
  font-weight:600;
  font-size:18px;
  line-height:1.4;
  color:var(--white);
  margin:0 0 8px;
}
.page-contact .rhythm__text{
  font-size:13.5px;
  line-height:1.75;
  color:#A3AEC9;
  margin:0;
}

/* ---------- 商务与内容合作 ---------- */
.page-contact .partner__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.page-contact .partner__card{
  padding:24px 22px;
  border-radius:var(--pc-r);
}
.page-contact .partner__title{
  font-family:var(--f-display);
  font-weight:700;
  font-size:18px;
  line-height:1.45;
  color:var(--white);
  margin:0 0 10px;
}
.page-contact .partner__text{
  font-size:14px;
  line-height:1.78;
  color:#A9B4CF;
  margin:0;
}
.page-contact .partner__note{
  margin:20px 0 0;
  padding:16px 18px;
  border-radius:var(--pc-r-sm);
  border-left:2px solid var(--violet);
  background:rgba(123,92,255,.09);
  font-size:14px;
  line-height:1.78;
  color:#B9C3DC;
}

/* ---------- 联系与地址 ---------- */
.page-contact .reach{ padding-bottom:96px; }
.page-contact .reach__inner{
  max-width:880px;
  margin:0 auto;
  border-radius:var(--r-lg);
  border:1px solid var(--line-gold);
  background:linear-gradient(180deg, rgba(20,34,72,.86) 0%, rgba(11,22,48,.96) 100%);
  padding:30px 22px;
}
.page-contact .reach__title{ margin-top:6px; }
.page-contact .reach__lead{
  font-size:14.5px;
  line-height:1.8;
  color:#A9B4CF;
  margin:0 0 24px;
}
.page-contact .reach__list{
  margin:0 0 22px;
  display:grid;
  gap:14px;
}
.page-contact .reach__row{
  display:grid;
  gap:4px;
  padding-bottom:14px;
  border-bottom:1px solid rgba(138,150,184,.16);
}
.page-contact .reach__row:last-child{ border-bottom:0; padding-bottom:0; }
.page-contact .reach__row dt{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--mist);
}
.page-contact .reach__row dd{
  margin:0;
  font-size:15px;
  line-height:1.7;
  color:var(--paper);
  word-break:break-word;
}
.page-contact .reach__link{
  color:var(--gold-light);
  text-decoration:none;
  border-bottom:1px solid rgba(246,217,152,.34);
  transition:color .22s ease, border-color .22s ease;
}
.page-contact .reach__link:hover{
  color:var(--white);
  border-bottom-color:var(--white);
}
.page-contact .reach__foot{
  font-size:13.5px;
  line-height:1.85;
  color:#94A0BD;
  margin:0;
  padding-top:18px;
  border-top:1px solid rgba(138,150,184,.16);
}
.page-contact .reach__inline{
  color:var(--jade);
  text-decoration:none;
  border-bottom:1px solid rgba(95,211,180,.34);
}
.page-contact .reach__inline:hover{ color:var(--white); border-bottom-color:var(--white); }
.page-contact .reach__media{
  margin-top:24px;
  border-radius:var(--pc-r);
  overflow:hidden;
  border:1px solid var(--line-mist);
}
.page-contact .reach__media img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}

/* ---------- 断点 ---------- */
@media (max-width:779px){
  .page-contact .chan-card__extra{
    max-height:none;
    opacity:1;
    margin-top:16px;
  }
  .page-contact .chan-card__extra + .chan-card__meta{ margin-top:16px; }
}

@media (min-width:760px){
  .page-contact .scope__list{ grid-template-columns:repeat(2,1fr); }
  .page-contact .checklist{ grid-template-columns:repeat(2,1fr); }
  .page-contact .checklist > li:last-child:nth-child(odd){ grid-column:1 / -1; }
  .page-contact .partner__grid{ grid-template-columns:repeat(3,1fr); }
  .page-contact .rhythm__bar{ grid-template-columns:repeat(3,1fr); }
  .page-contact .prep__panel{ padding:32px 30px; }
}

@media (min-width:780px){
  .page-contact .channel-grid{ grid-template-columns:repeat(3,1fr); align-items:stretch; }
}

@media (min-width:900px){
  .page-contact .retrieve__grid{ grid-template-columns:7fr 5fr; align-items:start; gap:26px; }
  .page-contact .section{ padding-top:92px; }
  .page-contact .channel-hero{ padding-top:34px; }
  .page-contact .reach__inner{
    max-width:920px;
    padding:40px 38px;
    display:grid;
    grid-template-columns:1fr 300px;
    gap:36px;
    align-items:center;
  }
  .page-contact .reach__media{ margin-top:0; }
}

@media (min-width:1100px){
  .page-contact .channel-hero{ padding-top:40px; }
  .page-contact .reach__inner{ grid-template-columns:1fr 340px; }
}