/* ============================================================
   银河信誉中心 · 共享样式表 /assets/site.css
   深空底 + 轨道环 + 非对称编辑部版式
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#0B1B3A;
  --ink-deep:#061027;
  --rock:#2A3350;
  --nebula:#6C4AB6;
  --pulse:#3FE0D0;
  --gold:#F5C16C;
  --moss:#4E7A62;
  --clay:#C1765A;
  --paper:#F4F1E9;
  --sand:#9AA7C7;
  --paper-warm:#E8E2D2;

  --line:rgba(154,167,199,.20);
  --line-2:rgba(154,167,199,.34);
  --line-nebula:rgba(108,74,182,.55);

  --shadow:0 2px 18px rgba(6,16,39,.55);
  --radius:2px;
  --wrap:1220px;
  --gutter:20px;

  --font-display:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong",SimSun,Georgia,serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
[hidden]{display:none !important}
hr{border:0}

/* 星野底噪：缓慢呼吸的观测星空 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.75;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(244,241,233,.55), transparent 60%),
    radial-gradient(1.2px 1.2px at 27% 62%, rgba(63,224,208,.50), transparent 60%),
    radial-gradient(1.6px 1.6px at 44% 9%, rgba(244,241,233,.40), transparent 60%),
    radial-gradient(1.2px 1.2px at 61% 38%, rgba(108,74,182,.75), transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 71%, rgba(63,224,208,.40), transparent 60%),
    radial-gradient(1.3px 1.3px at 88% 24%, rgba(245,193,108,.45), transparent 60%),
    radial-gradient(1.2px 1.2px at 34% 88%, rgba(244,241,233,.30), transparent 60%),
    radial-gradient(1.4px 1.4px at 70% 93%, rgba(108,74,182,.60), transparent 60%);
  animation:star-breathe 38s ease-in-out infinite;
}
@keyframes star-breathe{
  0%,100%{opacity:.62;transform:translate3d(0,0,0)}
  50%{opacity:.88;transform:translate3d(3px,-4px,0)}
}

/* ---------- 3. 中文排版 ---------- */
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.28;
  color:var(--paper);
}
h1{font-size:56px;letter-spacing:-.01em}
h2{font-size:38px;letter-spacing:-.005em}
h3{font-size:26px;font-weight:500}
h4{font-size:20px;font-weight:500}
h5,h6{font-size:17px;font-weight:500}

.mono{
  font-family:var(--font-mono);
  font-size:15px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.text-sand{color:var(--sand)}
.index-label{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--sand);
}
.prose{font-size:17px;line-height:1.85}
.prose > * + *{margin-top:1.2em}
.prose p{color:var(--sand)}

.link-gold{
  color:var(--gold);
  border-bottom:1px solid rgba(245,193,108,.45);
  transition:color .18s ease,border-color .18s ease;
}
.link-gold:hover{color:#ffd28c;border-color:#ffd28c}

.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

:focus-visible{
  outline:2px solid var(--pulse);
  outline-offset:2px;
  border-radius:var(--radius);
}

.skip-link{
  position:absolute;
  left:16px;
  top:-80px;
  z-index:300;
  padding:10px 18px;
  background:var(--gold);
  color:var(--ink-deep);
  border-radius:var(--radius);
  font-size:15px;
  font-weight:600;
  transition:top .18s ease;
}
.skip-link:focus{top:16px}

/* ---------- 4. 布局容器 ---------- */
.wrap{
  width:min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline:auto;
}
.section{padding:clamp(44px,6vw,84px) 0}
.section-narrow{max-width:760px}
.stack > * + *{margin-top:var(--stack-gap,18px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px}

.divider{
  height:1px;
  border:0;
  margin:clamp(24px,4vw,44px) 0;
  background:linear-gradient(90deg,rgba(108,74,182,.55),rgba(63,224,208,.18),transparent);
}

.editorial-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,4fr) minmax(0,1fr);
  gap:clamp(20px,3vw,48px);
  align-items:start;
}
.note-col{
  border-left:1px solid var(--line-2);
  padding-left:18px;
  font-size:15px;
  line-height:1.8;
  color:var(--sand);
}
.note-col .index-label{display:block;margin-bottom:8px}

/* ---------- 5. 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:transparent;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-solid{
  background:var(--gold);
  border-color:var(--gold);
  color:var(--ink-deep);
}
.btn-solid:hover{background:#ffd28c;border-color:#ffd28c}
.btn-ghost:hover{border-color:var(--pulse);color:var(--pulse)}

/* ---------- 6. 页头 ---------- */
.site-header{
  position:relative;
  z-index:40;
  background:linear-gradient(180deg,rgba(6,16,39,.96),rgba(11,27,58,.86));
}

.header-masthead{
  position:relative;
  padding:24px 0 0;
  background:
    radial-gradient(120% 170% at 50% -50%, rgba(108,74,182,.30), transparent 68%),
    linear-gradient(180deg, rgba(6,16,39,.85), rgba(11,27,58,0));
}
.header-masthead::after{
  content:"";
  position:absolute;
  left:50%;
  top:0;
  width:min(680px,80%);
  height:1px;
  transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,rgba(63,224,208,.45),transparent);
}
.masthead-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.masthead-note{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--sand);
  text-transform:uppercase;
}
.masthead-cta{display:flex;justify-content:flex-end}

.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  padding:0 14px;
}
.brand-name{
  font-family:var(--font-display);
  font-size:clamp(26px,3.6vw,40px);
  font-weight:600;
  line-height:1;
  letter-spacing:.12em;
  text-indent:.12em;
  color:var(--paper);
}
.brand::after{
  content:"";
  width:100%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--nebula),transparent);
}
.masthead-index{
  margin-top:12px;
  padding-bottom:16px;
  text-align:center;
  font-size:12px;
  letter-spacing:.34em;
  text-indent:.34em;
  color:var(--sand);
}

.header-nav{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(6,16,39,.42);
}
.nav-grid{display:flex;align-items:center;justify-content:center;min-height:54px}
.primary-nav{width:100%}
.nav-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--radius);
  font-size:15px;
  letter-spacing:.06em;
  color:var(--sand);
  transition:color .18s ease,background-color .18s ease;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:3px;
  height:1px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.nav-list a:hover{color:var(--paper)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a[aria-current="page"]{color:var(--gold)}
.nav-list a[aria-current="page"]::after{transform:scaleX(1)}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  color:var(--paper);
  font-size:14px;
  letter-spacing:.10em;
}
.nav-toggle-bar{
  position:relative;
  display:block;
  width:16px;
  height:1px;
  background:currentColor;
}
.nav-toggle-bar::before,
.nav-toggle-bar::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:1px;
  background:currentColor;
  transition:transform .18s ease;
}
.nav-toggle-bar::before{top:-5px}
.nav-toggle-bar::after{top:5px}
.nav-toggle[aria-expanded="true"]{border-color:var(--pulse);color:var(--pulse)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{transform:translateY(-5px) rotate(-45deg)}

.header-search{
  position:relative;
  z-index:70;
  background:rgba(6,16,39,.94);
  border-bottom:1px solid var(--line);
}
.header-search[data-pinned="true"]{
  position:fixed;
  top:0;left:0;right:0;
  box-shadow:var(--shadow);
  border-bottom-color:rgba(108,74,182,.55);
}
.search-spacer{display:block;height:0;overflow:hidden;pointer-events:none}
.search-grid{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 0;
}
.search-field{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 14px;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:rgba(42,51,80,.45);
  transition:border-color .18s ease,background-color .18s ease;
}
.search-field::before{
  content:"◎";
  font-size:14px;
  line-height:1;
  color:var(--pulse);
}
.search-field:focus-within{
  border-color:var(--pulse);
  background:rgba(42,51,80,.62);
}
.search-input{
  flex:1 1 auto;
  min-width:0;
  padding:11px 0;
  border:0;
  outline:0;
  background:transparent;
  font-family:var(--font-body);
  font-size:15px;
  color:var(--paper);
}
.search-input::placeholder{color:var(--sand)}
.search-input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
.search-count{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--sand);
}
.search-count[data-hit="true"]{color:var(--gold)}

/* ---------- 7. 正文与网格组件 ---------- */
.site-main{position:relative;z-index:1;display:block;padding-bottom:clamp(20px,4vw,40px)}
#main-content{scroll-margin-top:120px}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:18px 0 0;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sand);
}
.breadcrumb a{color:var(--sand);transition:color .18s ease}
.breadcrumb a:hover{color:var(--pulse)}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(154,167,199,.42)}
.breadcrumb li:last-child::after{content:"";margin-left:0}

.card{
  position:relative;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(42,51,80,.58),rgba(42,51,80,.30));
  box-shadow:var(--shadow);
  transition:border-color .18s ease,transform .18s ease;
}
a.card{display:block}
.card:hover{border-color:var(--line-nebula);transform:translateY(-2px)}
.card-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  margin-bottom:10px;
}
.card-title{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:500;
  line-height:1.4;
  color:var(--paper);
}
.card-body{font-size:15px;line-height:1.8;color:var(--sand)}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--sand);
}

.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  aspect-ratio:16 / 9;
  background:
    radial-gradient(120% 140% at 30% 0%, rgba(108,74,182,.45), transparent 62%),
    radial-gradient(90% 120% at 85% 90%, rgba(63,224,208,.22), transparent 60%),
    linear-gradient(160deg,#061027,#0B1B3A 55%,#2A3350);
}
.media > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-wide{aspect-ratio:21 / 9}
.media-square{aspect-ratio:1 / 1}
.media-caption{
  display:block;
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--sand);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  font-size:12px;
  letter-spacing:.10em;
  color:var(--sand);
}
.tag-synced{
  background:rgba(78,122,98,.28);
  border-color:rgba(78,122,98,.82);
  color:#CFE3D7;
}
.tag-review{
  background:rgba(193,118,90,.22);
  border-color:rgba(193,118,90,.78);
  color:#F0CFC2;
}

.dot{
  display:inline-block;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--pulse);
  box-shadow:0 0 0 3px rgba(63,224,208,.18);
}
.dot-live{animation:dot-pulse 2.6s ease-in-out infinite}
@keyframes dot-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(63,224,208,.18)}
  50%{box-shadow:0 0 0 8px rgba(63,224,208,0)}
}

.sync-date{
  font-family:var(--font-mono);
  font-size:15px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
  color:var(--gold);
}

.pill-group{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 15px;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:rgba(42,51,80,.40);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--sand);
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.pill:hover{color:var(--paper);border-color:var(--pulse)}
.pill[aria-pressed="true"]{
  border-color:var(--gold);
  color:var(--gold);
  background:rgba(245,193,108,.10);
}

.expand{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(42,51,80,.26);
  overflow:hidden;
}
.expand-toggle{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  width:100%;
  padding:14px 18px;
  text-align:left;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  color:var(--paper);
  transition:color .18s ease;
}
.expand-toggle::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:2px;
  background:var(--pulse);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .18s ease;
}
.expand-toggle[aria-expanded="true"]::before{transform:scaleY(1)}
.expand-toggle::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1;
  color:var(--gold);
}
.expand-toggle[aria-expanded="true"]::after{content:"–"}
.expand-toggle:hover{color:var(--pulse)}
.expand-panel{
  padding:0 18px 18px;
  font-size:15px;
  line-height:1.8;
  color:var(--sand);
}

/* ---------- 8. 入场显现 ---------- */
.js-reveal [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .5s ease,transform .5s ease;
}
.js-reveal [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(56px,8vw,110px);
  padding:clamp(40px,6vw,72px) 0 0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(6,16,39,0) 0%,rgba(6,16,39,.92) 14%,var(--ink-deep) 100%);
  color:var(--sand);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1.15fr;
  gap:clamp(28px,4vw,64px);
  padding-bottom:clamp(32px,5vw,56px);
}
.footer-col{min-width:0}
.footer-title{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--paper);
}
.footer-meta{
  margin-top:6px;
  margin-bottom:16px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--pulse);
}
.footer-list{display:grid;gap:9px;font-size:15px}
.footer-list li{overflow-wrap:anywhere}
.footer-list a{
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-list a:hover{color:var(--gold);border-color:rgba(245,193,108,.5)}
.footer-list-cols{
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px 18px;
}
.footer-list-cols li{
  display:flex;
  align-items:baseline;
  gap:8px;
  font-size:15px;
  color:var(--sand);
}
.footer-list-cols li::before{
  content:"◇";
  font-size:11px;
  line-height:1;
  color:var(--nebula);
}
.footer-archive li a{
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.04em;
  color:var(--sand);
}
.footer-note{margin-top:16px;font-size:14px}
.footer-contact{gap:6px}
.footer-contact li{font-size:14px;color:var(--sand)}
.footer-links{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 0 28px;
  border-top:1px solid var(--line);
}
.footer-base p{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--sand);
}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1024px){
  .editorial-grid{grid-template-columns:minmax(0,1fr) minmax(0,300px)}
  .editorial-grid > .note-col{grid-column:2}
}

@media (max-width:980px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col:last-child{grid-column:1 / -1}
}

@media (max-width:860px){
  :root{--gutter:18px}
  body{font-size:16px;line-height:1.8}
  h1{font-size:34px}
  h2{font-size:26px}
  h3{font-size:21px}

  .masthead-grid{
    grid-template-columns:1fr;
    gap:12px;
    text-align:center;
  }
  .brand{order:1;padding:0}
  .masthead-cta{order:2;justify-content:center}
  .masthead-note{order:3;font-size:11px;letter-spacing:.10em}
  .masthead-index{font-size:11px;letter-spacing:.24em;text-indent:.24em}

  .nav-grid{justify-content:space-between;min-height:52px}
  .nav-toggle{display:inline-flex}
  .nav-list{
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:6px 0 14px;
  }
  .primary-nav[data-open] .nav-list{display:flex}
  .nav-list a{
    display:block;
    padding:13px 4px;
    border-bottom:1px solid var(--line);
  }
  .nav-list a::after{left:0;right:auto;width:34px;bottom:0}
  .nav-list a[aria-current="page"]{color:var(--gold)}

  .search-grid{gap:10px;padding:9px 0}
  .search-field{padding:0 12px}
  .search-input{padding:10px 0}
  .search-btn{padding:10px 16px}
  .search-count{display:none}

  .editorial-grid{grid-template-columns:minmax(0,1fr)}
  .editorial-grid > .note-col{grid-column:auto;border-left:0;border-top:1px solid var(--line-2);padding-left:0;padding-top:14px}
  #main-content{scroll-margin-top:96px}
}

@media (max-width:640px){
  h1{font-size:29px}
  h2{font-size:23px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-col:last-child{grid-column:auto}
  .footer-list-cols{grid-template-columns:minmax(0,1fr)}
  .footer-base{flex-direction:column;align-items:flex-start;gap:8px}
  .card{padding:18px}
  .search-btn{flex:0 0 auto}
}

/* ---------- 11. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  body::before{animation:none;opacity:.55}
  .js-reveal [data-reveal]{opacity:1;transform:none}
  .dot-live{animation:none}
}