/* ==========================================================================
   VOID/BREAKER Guide — IDRIS terminal skin
   配色全部取自官方素材采样（见 DESIGN-BRIEF.md）。禁浅色兜底。
   ========================================================================== */

:root{
  --void:#050505;
  --void-2:#0b0b0c;
  --panel:#121110;
  --panel-2:#1a1614;
  --line:#2c2723;
  --line-hot:#443c34;
  --acid:#c6e700;
  --acid-dim:#8fa700;
  --alert:#fe0000;
  --alert-soft:#ff4a4a;
  --bone:#e2d6bd;
  --sand:#b69e7e;
  --rust:#8a4a2f;
  --muted:#9b958a;
  --maxw:1220px;
  --display:"Bahnschrift Condensed","Arial Narrow",Impact,"Haettenschweiler","Franklin Gothic Medium",sans-serif;
  --mono:"Cascadia Mono",Consolas,"SF Mono",ui-monospace,"Courier New",monospace;
  --body:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--bone);font-family:var(--body);
  font-size:17px;line-height:1.72;
  background-image:
    radial-gradient(900px 420px at 88% -6%,rgba(254,0,0,.08) 0%,transparent 70%),
    radial-gradient(760px 380px at 4% 108%,rgba(198,231,0,.05) 0%,transparent 72%);
  background-repeat:no-repeat;
  background-attachment:fixed;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--acid);text-decoration:none}
a:hover{color:#e8ff5c}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.3em;padding-left:1.25em}
li{margin:.35em 0}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;letter-spacing:.02em;line-height:1.02;margin:0 0 .5em}
code{font-family:var(--mono);font-size:.88em;background:#1b1917;border:1px solid var(--line);padding:.08em .34em;color:var(--acid)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--acid);color:#050505;padding:8px 12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- 0. 顶部状态轨 ---------------------------------------------- */
.sysbar{
  border-bottom:1px solid var(--line);background:#070707;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.sysbar .wrap{display:flex;gap:18px;align-items:center;min-height:30px;flex-wrap:wrap}
.sysbar .tag{color:var(--alert)}
.sysbar .live{color:var(--acid)}
.sysbar .term{margin-left:auto;color:#8d877e}
.sysbar .cursor{display:inline-block;width:7px;height:12px;background:var(--acid);vertical-align:-1px;animation:blink 1.15s steps(1) infinite}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ---------- 1. 页头 + 导航 ---------------------------------------------- */
.topbar{
  position:sticky;top:0;z-index:40;background:rgba(5,5,5,.94);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);
}
.topbar .bar{display:flex;align-items:center;gap:20px;min-height:70px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;color:var(--bone);flex:0 0 auto}
.brand img{width:38px;height:38px;border:1px solid var(--line-hot);background:#0d0d0d}
.brand span{
  font-family:var(--display);font-size:25px;letter-spacing:.06em;text-transform:uppercase;
  color:#fff;line-height:1;
}
.brand:hover span{color:var(--acid)}
.nav{display:flex;align-items:center;gap:16px;margin-left:auto;flex-wrap:wrap}
.nav>ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav>ul>li{position:relative}
.nav a{
  display:block;padding:10px 11px;color:var(--bone);font-family:var(--mono);
  font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;
}
.nav a:hover{color:var(--acid)}
.nav .active>a{color:var(--acid);box-shadow:inset 0 -2px 0 var(--acid)}
.nav li.has-kids>a::after{content:" ▾";color:var(--acid);font-size:10px}
.nav .kids{
  display:none;position:absolute;top:100%;left:0;min-width:236px;z-index:45;
  list-style:none;margin:0;padding:6px 0;background:var(--panel);
  border:1px solid var(--line-hot);clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
}
.nav .has-kids:hover .kids,
.nav .has-kids:focus-within .kids{display:block}
.nav .kids li{margin:0}
.nav .kids a{padding:8px 14px;font-size:12px;letter-spacing:.06em;color:var(--sand)}
.nav .kids a:hover{background:#1d1a17;color:var(--acid)}
.nav .cta{
  background:#c20000;color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  padding:10px 15px;border:1px solid #ff5f5f;text-transform:uppercase;white-space:nowrap;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
}
.nav .cta:hover{background:#ff1f1f;color:#fff}

/* ---------- 2. hero ----------------------------------------------------- */
.hero{position:relative;isolation:isolate;border-bottom:1px solid var(--line);overflow:hidden}
.hero-shot{display:none}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:var(--hero);background-size:cover;background-position:center 42%;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(5,5,5,.94) 0%,rgba(5,5,5,.86) 34%,rgba(5,5,5,.34) 62%,rgba(5,5,5,.12) 100%),
    repeating-linear-gradient(180deg,rgba(255,255,255,.045) 0 1px,transparent 1px 4px);
}
.hero-in{padding:76px 0 64px;max-width:min(760px,92%)}
.eyebrow{
  display:inline-block;margin:0 0 16px;padding:5px 10px;background:rgba(198,231,0,.12);
  border:1px solid var(--acid);border-left-width:4px;color:var(--acid);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
}
.hero h1{
  font-size:clamp(46px,7.4vw,86px);color:#fff;margin:0 0 14px;letter-spacing:.01em;
  position:relative;text-shadow:0 2px 0 rgba(0,0,0,.45);
}
.hero .lead{font-size:19px;color:#d9d2c4;max-width:56ch;margin:0 0 26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:0}
.btn{
  display:inline-block;padding:13px 20px;background:var(--acid);color:#070707;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  border:1px solid var(--acid);clip-path:polygon(0 0,calc(100% - 11px) 0,100% 11px,100% 100%,0 100%);
}
.btn:hover{background:#e9ff4d;color:#070707}
.btn.ghost{background:transparent;color:var(--bone);border-color:var(--line-hot)}
.btn.ghost:hover{border-color:var(--acid);color:var(--acid)}

/* 故障重影：只在 hero h1 上出现一次 */
.hero h1 .glitch{position:relative;display:inline-block}
.hero h1 .glitch::before,
.hero h1 .glitch::after{
  content:attr(data-t);position:absolute;left:0;top:0;width:100%;overflow:hidden;
}
.hero h1 .glitch::before{color:var(--alert);clip-path:inset(12% 0 58% 0);transform:translate(-3px,-2px);opacity:.85}
.hero h1 .glitch::after{color:#5ce1e6;clip-path:inset(64% 0 8% 0);transform:translate(3px,2px);opacity:.6}

/* ---------- 3. 读数条 --------------------------------------------------- */
.facts-strip{border-bottom:1px solid var(--line);background:#080808}
.facts{display:flex;flex-wrap:wrap;gap:0}
.fact{flex:1 1 200px;padding:16px 20px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;padding-left:0}
.fact-k{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.fact-v{display:block;margin-top:4px;font-family:var(--mono);font-size:16px;color:var(--acid);letter-spacing:.02em}

/* ---------- 4. 区块标题 / 网格 / 卡片 ----------------------------------- */
.section-head{display:flex;align-items:baseline;gap:14px;margin:46px 0 18px;flex-wrap:wrap}
.section-head .overline{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--alert);
}
.section-head h2{
  margin:0;font-size:30px;color:#fff;display:flex;align-items:center;gap:10px;
  border:0;padding:0;background:none;border-left:0;
}
.count-pill{
  font-family:var(--mono);font-size:12px;letter-spacing:.02em;color:#070707;background:var(--acid);
  padding:1px 8px;text-transform:none;
}
.grid{display:flex;flex-wrap:wrap;gap:16px}
.grid[data-n="2"]>.card{flex:1 1 calc(50% - 16px);max-width:calc(50% - 8px)}
.card{
  flex:1 1 300px;min-width:0;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);color:var(--bone);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
  transition:border-color .15s ease,transform .15s ease;
}
.card:hover{border-color:var(--acid);transform:translateY(-3px)}
.card .thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:#000;border-bottom:1px solid var(--line)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,5,5,0) 46%,rgba(5,5,5,.55) 100%);
}
.card .pill-tag{
  position:absolute;left:0;top:10px;z-index:2;background:var(--acid);color:#070707;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;padding:3px 8px;
}
.card-body{padding:15px 16px 17px;display:flex;flex-direction:column;flex:1 1 auto}
.card h3{margin:0 0 8px;font-size:21px;color:#fff;letter-spacing:.01em}
.card p{margin:0 0 12px;font-size:14px;line-height:1.6;color:#b3aba0}
.card .go{
  margin-top:auto;font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--acid);
}
.card .stamp{font-family:var(--mono);font-size:10.5px;color:#948d84;margin-top:6px}
.card.sm h3{font-size:17px;margin:0}
.card.sm .card-body{padding:11px 13px}

/* ---------- 5. 正文 / 目录 / 速答 --------------------------------------- */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:44px;padding-top:26px;padding-bottom:56px;align-items:start}
.article-grid>div{min-width:0}
.crumb{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#77716a;margin:0 0 14px}
.crumb a{color:var(--sand)}
.crumb .sep{color:#8a847b;margin:0 4px}
.crumb .here{color:var(--acid)}
article{min-width:0}
article h1{
  font-size:clamp(32px,4.4vw,52px);color:#fff;margin:0 0 18px;
  padding-bottom:14px;border-bottom:2px solid var(--acid);
}
article h2{
  font-size:26px;color:#fff;margin:44px 0 14px;padding:10px 0 10px 14px;
  border-left:4px solid var(--alert);background:linear-gradient(90deg,rgba(254,0,0,.09),transparent 72%);
  scroll-margin-top:96px;
}
article h3{font-size:19px;color:var(--acid);margin:28px 0 10px;letter-spacing:.03em}
article p,article li{max-width:76ch}
article strong,article b{color:#fff}
article a{border-bottom:1px solid rgba(198,231,0,.35)}
article a:hover{border-bottom-color:var(--acid)}
article ul{list-style:none;padding-left:0}
article ul>li{position:relative;padding-left:18px}
article ul>li::before{content:"//";position:absolute;left:0;color:var(--acid-dim);font-family:var(--mono);font-size:11px;top:.25em}
article ol{padding-left:1.3em}
article ol>li::marker{color:var(--acid);font-family:var(--mono)}
article img{margin:22px 0;border:1px solid var(--line-hot)}
article img.zoom{cursor:zoom-in}
blockquote{
  margin:22px 0;padding:14px 18px;border-left:3px solid var(--sand);
  background:#100e0d;color:var(--sand);font-style:normal;
}
.callout{
  margin:24px 0;padding:20px 20px 18px;background:var(--panel);border:1px solid var(--line);
  border-top:6px solid var(--alert);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
}
.callout p:last-child{margin-bottom:0}
.callout strong{color:var(--acid)}
.quick-answer{
  margin:0 0 26px;padding:16px 18px 16px 20px;background:#0e1008;
  border:1px solid #33400a;border-left:5px solid var(--acid);
}
.quick-answer p{margin:0;max-width:none;color:#dfe3c9;font-size:16.5px}
.qa-stamp{
  display:block;margin-bottom:6px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--acid);
}
.toc{position:sticky;top:92px;font-family:var(--mono);font-size:12px;border-left:1px solid var(--line);padding-left:16px}
.toc .overline{display:block;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.toc-list{display:flex;flex-direction:column;gap:7px}
.toc-list a{color:var(--sand);border:0;line-height:1.35;display:block}
.toc-list a:hover{color:var(--acid)}
.toc-list a::before{content:"› ";color:var(--acid-dim)}

/* 表格 */
.tbl-wrap{margin:22px 0;overflow-x:auto;border:1px solid var(--line);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
thead th{
  background:var(--panel-2);color:var(--acid);font-family:var(--mono);font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;text-align:left;padding:11px 13px;
  border-bottom:2px solid var(--acid);white-space:nowrap;
}
tbody td{padding:10px 13px;border-bottom:1px solid #211d1a;vertical-align:top;color:#cfc6b6}
tbody tr:nth-child(even) td{background:#0e0d0c}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{color:#fff}
table strong,table b{color:inherit}
td.num,th.num{font-family:var(--mono);text-align:right;white-space:nowrap;color:var(--acid)}


/* ---------- 6. 文末推荐 / 首页正文 ------------------------------------- */
.all-guides{margin-top:46px;border-top:1px solid var(--line);padding-top:8px}
.all-link{margin:16px 0 0;font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.all-link a{border-bottom:1px solid rgba(198,231,0,.35)}
.home-prose{max-width:none;padding:8px 0 26px}
.home-prose h2{font-size:27px}
.home-prose h3{font-size:19px}
.home-prose p{color:#cdc4b6}

/* ---------- 7. 页脚 ----------------------------------------------------- */
.foot{border-top:1px solid var(--line);background:#070707;padding:34px 0 40px;margin-top:20px}
.foot .disclaimer{font-size:13px;color:#8b857c;max-width:88ch;margin:0 0 12px}
.foot-links{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px}
.foot-links a{color:var(--sand)}
.foot-links a:hover{color:var(--acid)}
.foot .muted{font-family:var(--mono);font-size:11px;color:#8d877e;margin:0}

/* ---------- 8. 灯箱 ----------------------------------------------------- */
.lightbox{
  position:fixed;inset:0;z-index:90;background:rgba(3,3,3,.95);
  display:flex;align-items:center;justify-content:center;cursor:zoom-out;padding:2vh 2vw;
}
.lightbox img{max-width:min(1600px,96vw);max-height:94vh;width:auto;height:auto;border:1px solid var(--line-hot)}

/* ---------- 9. 广告位（父会话回填 key 后生效） -------------------------- */
.ad-slot{display:none}
.ad-slot-native,.ad-slot-mobile{display:none}
@media (hover: hover) and (pointer: fine){.ad-slot{display:block;margin:26px auto;max-width:var(--maxw)}.ad-slot-native{display:block}}
@media not all and (hover: hover) and (pointer: fine){.ad-slot-mobile{display:block}}
.ad-inner{min-height:90px;border:1px dashed var(--line-hot);background:var(--panel);display:flex;align-items:center;justify-content:center}
.ad-slot-native .ad-inner{min-height:90px}
.ad-slot-mobile .ad-inner{min-height:50px}
.ad-slot:empty{display:none}
@media print{.ad-slot{display:none}}

/* ---------- 10. 响应式 -------------------------------------------------- */
@media (max-width:1100px){
  .article-grid{grid-template-columns:minmax(0,1fr) 210px;gap:30px}
  .toc{font-size:11.5px}
  .hero-in{padding:60px 0 52px}
}
@media (max-width:1000px){
  .brand span{font-size:21px;letter-spacing:.04em}
  .brand img{width:34px;height:34px}
  .nav>ul{gap:0}
  .nav a{padding:9px 7px;font-size:11.5px;letter-spacing:.06em}
  .nav .cta{padding:9px 11px;font-size:11px}
  .topbar .bar{gap:12px}
}
@media (max-width:960px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;border-left:0;border-top:1px solid var(--line);padding:14px 0 0;order:-1;margin-bottom:22px}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px 16px}
}
@media (max-width:760px){
  body{font-size:16px}
  .topbar .bar{gap:10px;min-height:0;padding:10px 0}
  .brand span{font-size:21px}
  .brand img{width:32px;height:32px}
  .nav{gap:0;margin-left:0;width:100%}
  .nav>ul{gap:0;flex-wrap:wrap;width:100%}
  .nav>ul>li{flex:0 0 auto}
  .nav a{padding:7px 8px;font-size:11px;letter-spacing:.05em}
  .nav .kids{display:none !important}
  .nav li.has-kids>a::after{display:none}
  .nav .cta{display:none}
  .hero-in{padding:26px 0 34px;max-width:100%}
  .hero::before{background-image:none}
  .hero::after{background:linear-gradient(180deg,rgba(5,5,5,.25) 0%,rgba(5,5,5,.9) 62%,rgba(5,5,5,1) 100%)}
  .hero-shot{display:block;width:100%;height:auto}
  .hero h1{font-size:clamp(34px,10vw,52px)}
  .hero .lead{font-size:16.5px}
  .fact{flex:1 1 46%;padding:12px 14px}
  .fact:nth-child(odd){border-left:0;padding-left:0}
  .sysbar{font-size:10px;letter-spacing:.08em}
  .sysbar .wrap{gap:10px;min-height:26px;padding-top:4px;padding-bottom:4px}
  .sysbar .term{display:none}
  .sysbar span:nth-child(2){display:none}
  .grid{gap:12px}
  .card{flex:1 1 100%;max-width:100%}
  .grid[data-n="2"]>.card{max-width:100%}
  .section-head h2{font-size:24px}
  article h1{font-size:34px}
  article h2{font-size:22px}
  article p,article li{max-width:none}
}
@media (prefers-reduced-motion:reduce){
  .sysbar .cursor{animation:none}
  .card{transition:none}
  .card:hover{transform:none}
}