/* ============================================================
   智能纪元 · AI 全景档案 — HUD / 深空终端视觉系统
   ============================================================ */

:root{
  --void:#04060d;
  --deep:#070c17;
  --ink:#0a1120;
  --panel:rgba(12,20,36,.72);
  --panel-2:rgba(9,15,28,.9);
  --line:rgba(96,160,220,.22);
  --line-2:rgba(96,160,220,.4);

  --cyan:#4ff0ff;
  --cyan-dim:#22b8cc;
  --blue:#6b8cff;
  --mag:#ff3ea5;
  --violet:#a86bff;
  --amber:#ffb347;
  --lime:#7dffb0;

  --txt:#e6f1ff;
  --txt-2:#a9bdd8;
  --txt-3:#6d829e;

  --mono:ui-monospace,"SFMono-Regular","Cascadia Mono","JetBrains Mono",Consolas,"Liberation Mono","Microsoft YaHei",monospace;
  --sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;

  --r:2px;
  --pad:clamp(18px,4vw,64px);
  --clip:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--txt);
  font-family:var(--sans);font-size:16.5px;line-height:1.75;
  overflow-x:hidden;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{ /* 背景：径向辉光 + 网格 */
  content:"";position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    radial-gradient(1100px 720px at 12% -8%,rgba(79,240,255,.13),transparent 62%),
    radial-gradient(880px 620px at 92% 12%,rgba(168,107,255,.13),transparent 60%),
    radial-gradient(1000px 800px at 50% 108%,rgba(255,62,165,.10),transparent 62%),
    linear-gradient(180deg,#050810,#04060d 40%,#05080f);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(96,160,220,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,160,220,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 25%,transparent 78%);
}
.grain{
  position:fixed;inset:-50%;z-index:60;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.6) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;animation:grain 7s steps(6) infinite;
}
@keyframes grain{0%{transform:translateY(0)}100%{transform:translateY(3px)}}
.net{position:fixed;inset:0;z-index:-1;width:100%;height:100%;opacity:.62}
.cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;margin:-210px 0 0 -210px;
  z-index:1;pointer-events:none;opacity:0;transition:opacity .5s;
  background:radial-gradient(circle,rgba(79,240,255,.10),transparent 62%);
}
@media (hover:hover) and (pointer:fine){.cursor-glow{opacity:1}}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.fine{font-size:.78rem;color:var(--txt-3);letter-spacing:.06em}
kbd{font-family:var(--mono);font-size:.78em;border:1px solid var(--line-2);padding:0 5px;border-radius:2px;color:var(--cyan)}
em{color:var(--cyan);font-style:normal;font-weight:600}
b{font-weight:650}
a{color:inherit}
::selection{background:rgba(79,240,255,.28)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--cyan);color:#03202a;padding:10px 16px;font-family:var(--mono)}
.skip:focus{left:12px;top:12px}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:18px;
  padding:12px var(--pad);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(4,6,13,.94),rgba(4,6,13,.72));
  backdrop-filter:blur(14px) saturate(140%);
}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-mark{
  width:26px;height:26px;flex:none;position:relative;
  background:conic-gradient(from 210deg,var(--cyan),var(--violet),var(--mag),var(--cyan));
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  animation:spin 9s linear infinite;
}
.brand-mark::after{content:"";position:absolute;inset:6px;background:var(--void);clip-path:inherit}
@keyframes spin{to{transform:rotate(360deg)}}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:1.02rem;letter-spacing:.16em}
.brand-txt i{font-family:var(--mono);font-style:normal;font-size:.62rem;color:var(--txt-3);letter-spacing:.14em}
.topnav{display:flex;gap:4px;flex-wrap:wrap}
.topnav a{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-decoration:none;
  color:var(--txt-2);padding:7px 11px;border:1px solid transparent;transition:.22s;
}
.topnav a:hover{color:var(--cyan);border-color:var(--line-2);background:rgba(79,240,255,.06)}
.statusline{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.7rem;color:var(--txt-3);letter-spacing:.1em}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);animation:pulse 1.9s ease-in-out infinite}
@keyframes pulse{50%{opacity:.28}}
@media (max-width:900px){.statusline{display:none}}
@media (max-width:680px){.topnav{display:none}}

/* ---------- 侧栏导航 ---------- */
.rail{position:fixed;left:calc(var(--pad) * .35);top:50%;transform:translateY(-50%);z-index:40}
.rail ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.rail a{display:flex;align-items:center;gap:9px;text-decoration:none;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--txt-3);transition:.25s}
.rail i{width:22px;height:1px;background:var(--line-2);display:block;transition:.25s}
.rail li.on a{color:var(--cyan)}
.rail li.on i{width:44px;background:linear-gradient(90deg,var(--cyan),var(--mag));box-shadow:0 0 8px var(--cyan)}
@media (max-width:1180px){.rail{display:none}}

/* ---------- 通用容器 ---------- */
main{position:relative;z-index:2}
section{padding:clamp(72px,10vw,132px) var(--pad);max-width:1480px;margin:0 auto;scroll-margin-top:76px}
.chapter-head{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(14px,2.4vw,34px);align-items:end;margin-bottom:clamp(30px,4.5vw,58px)}
.num{font-size:clamp(2.6rem,6vw,4.6rem);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(79,240,255,.42);letter-spacing:-.03em}
.chapter-head h2{
  margin:0;font-size:clamp(1.7rem,3.6vw,2.75rem);letter-spacing:.03em;line-height:1.2;
  display:inline-block;position:relative;padding-bottom:10px;
}
.chapter-head h2::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.lede{margin:.55rem 0 0;color:var(--txt-2);max-width:70ch;font-size:clamp(.96rem,1.15vw,1.06rem)}
@media (max-width:860px){.chapter-head{grid-template-columns:auto 1fr}.chapter-head>.era-switch,.chapter-head>.btn{grid-column:1/-1}}

.eyebrow{display:flex;align-items:center;gap:9px;font-size:.72rem;letter-spacing:.22em;color:var(--cyan-dim);text-transform:uppercase;margin:0 0 18px}
.tick{width:26px;height:1px;background:var(--cyan);display:block}

/* ---------- 面板 / HUD ---------- */
.panel{
  position:relative;background:var(--panel);border:1px solid var(--line);
  clip-path:var(--clip);padding:clamp(18px,2.4vw,28px);backdrop-filter:blur(6px);
}
.panel::before{content:"";position:absolute;left:0;top:0;width:34px;height:1px;background:var(--cyan)}
.panel-title{margin:0 0 4px;font-family:var(--mono);font-size:.82rem;letter-spacing:.16em;color:var(--cyan)}
.panel-note{margin:0 0 20px;font-size:.86rem;color:var(--txt-3)}

.btn{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;cursor:pointer;
  font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;padding:13px 22px;
  color:var(--txt);background:rgba(10,17,32,.7);border:1px solid var(--line-2);
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px));
  transition:.25s;
}
.btn:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(79,240,255,.09);box-shadow:0 0 26px -8px var(--cyan)}
.btn-primary{color:#03202a;background:linear-gradient(100deg,var(--cyan),var(--blue));border-color:transparent;font-weight:700}
.btn-primary:hover{color:#03202a;filter:brightness(1.14);box-shadow:0 0 40px -10px var(--cyan)}
.btn-ghost{background:transparent}

.chip{
  cursor:pointer;font-family:var(--mono);font-size:.73rem;letter-spacing:.07em;
  padding:6px 13px;color:var(--txt-2);background:rgba(10,17,32,.55);
  border:1px solid var(--line);transition:.2s;
}
.chip:hover{color:var(--cyan);border-color:var(--line-2)}
.chip.is-on{color:#03202a;background:linear-gradient(100deg,var(--cyan),#39c6dc);border-color:transparent;font-weight:700}

/* ---------- 00 HERO ---------- */
.hero{min-height:calc(100svh - 60px);display:flex;flex-direction:column;justify-content:center;position:relative;padding-top:clamp(40px,7vw,80px)}
.hud-frame{position:absolute;inset:clamp(14px,3vw,34px);pointer-events:none;border:1px solid rgba(96,160,220,.13)}
.hud-frame::before,.hud-frame::after{content:"";position:absolute;width:26px;height:26px;border:1px solid var(--cyan);opacity:.55}
.hud-frame::before{left:-1px;top:-1px;border-right:0;border-bottom:0}
.hud-frame::after{right:-1px;bottom:-1px;border-left:0;border-top:0}
.hero-inner{max-width:1080px}
.hero-title{margin:0;font-size:clamp(3.1rem,10.5vw,7.4rem);line-height:.94;letter-spacing:-.02em;font-weight:800}
.hero-title .line{display:block}
.grad{background:linear-gradient(96deg,var(--cyan),var(--violet) 48%,var(--mag));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-title .sub{
  display:block;margin-top:22px;font-size:clamp(.72rem,1.6vw,1rem);letter-spacing:.3em;
  color:var(--cyan-dim);font-weight:400;min-height:1.4em;
}
.hero-title .sub::after{content:"▊";animation:caret 1s steps(2) infinite;color:var(--mag)}
@keyframes caret{50%{opacity:0}}
.hero-lede{margin:30px 0 0;max-width:64ch;font-size:clamp(1rem,1.35vw,1.16rem);color:var(--txt-2)}
.hero-lede b{color:var(--txt)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin:clamp(38px,5vw,60px) 0 14px;background:var(--line);border:1px solid var(--line)}
.hero-stats>div{background:rgba(6,10,20,.85);padding:16px 18px}
.hero-stats dt{font-size:.62rem;letter-spacing:.16em;color:var(--txt-3);margin-bottom:8px}
.hero-stats dd{margin:0;display:flex;align-items:baseline;gap:6px}
.hero-stats b{font-family:var(--mono);font-size:clamp(1.5rem,3vw,2.15rem);font-weight:700;color:var(--cyan);text-shadow:0 0 22px rgba(79,240,255,.45)}
.hero-stats i{font-style:normal;font-size:.76rem;color:var(--txt-2)}
@media (max-width:760px){.hero-stats{grid-template-columns:repeat(2,1fr)}}
.scroll-hint{position:absolute;right:var(--pad);bottom:26px;font-size:.66rem;letter-spacing:.2em;color:var(--txt-3);animation:bob 2.6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(7px);opacity:.5}}
@media (max-width:860px){.scroll-hint{display:none}}

/* ---------- 01 TIMELINE ---------- */
.tl{display:grid;grid-template-columns:6px minmax(280px,.9fr) 1.35fr;gap:clamp(16px,2.6vw,38px);align-items:start}
.tl-railwrap{position:relative;height:100%;min-height:420px}
.tl-track{position:absolute;inset:0;background:rgba(96,160,220,.14);width:2px;left:2px}
.tl-fill{position:absolute;top:0;left:0;width:2px;background:linear-gradient(180deg,var(--cyan),var(--mag));box-shadow:0 0 14px var(--cyan);height:0;transition:height .5s ease}
.tl-list{display:flex;flex-direction:column;gap:6px;max-height:640px;overflow:auto;padding-right:8px;scrollbar-width:thin}
.tl-list::-webkit-scrollbar{width:5px}.tl-list::-webkit-scrollbar-thumb{background:var(--line-2)}
.tl-item{
  position:relative;display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;
  width:100%;text-align:left;cursor:pointer;padding:12px 14px 12px 20px;
  background:rgba(9,15,28,.5);border:1px solid transparent;color:var(--txt-2);transition:.22s;
}
.tl-item::before{content:"";position:absolute;left:6px;top:50%;width:9px;height:9px;margin-top:-4.5px;transform:rotate(45deg);background:var(--ink);border:1px solid var(--line-2);transition:.22s}
.tl-item:hover{background:rgba(79,240,255,.07);color:var(--txt)}
.tl-item.on{background:linear-gradient(90deg,rgba(79,240,255,.14),transparent);border-color:var(--line-2);color:var(--txt)}
.tl-item.on::before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.tl-item.hide{display:none}
.tl-item .yr{font-family:var(--mono);font-size:1.02rem;color:var(--cyan);font-weight:700;letter-spacing:.02em}
.tl-item .nm{font-size:.95rem;line-height:1.4}
.tl-item .nm small{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;color:var(--txt-3);margin-top:3px}
.tl-detail{position:sticky;top:90px;background:var(--panel-2);border:1px solid var(--line);clip-path:var(--clip);padding:clamp(20px,2.8vw,34px);min-height:420px}
.tl-detail .tag{display:inline-block;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;padding:4px 10px;border:1px solid var(--line-2);color:var(--cyan-dim);margin-bottom:16px}
.tl-detail h3{margin:0;font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.25}
.tl-detail .yr-big{font-family:var(--mono);font-size:.8rem;color:var(--mag);letter-spacing:.2em;margin-bottom:6px}
.tl-detail p.what{color:var(--txt-2);margin:16px 0 0}
.tl-detail .kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:24px}
.tl-detail .kv>div{background:rgba(6,10,18,.9);padding:14px 16px}
.tl-detail .kv h4{margin:0 0 7px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--cyan)}
.tl-detail .kv p{margin:0;font-size:.9rem;color:var(--txt-2);line-height:1.65}
.tl-detail .ripple{margin-top:22px}
.tl-detail .ripple h4{margin:0 0 10px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--amber)}
.tl-detail .ripple ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.tl-detail .ripple li{font-size:.82rem;padding:6px 12px;border:1px dashed rgba(255,179,71,.4);color:var(--txt-2);background:rgba(255,179,71,.05)}
@media (max-width:1000px){
  .tl{grid-template-columns:1fr}.tl-railwrap{display:none}.tl-detail{position:static;min-height:0}
  .tl-list{max-height:340px}
}

/* ---------- 02 SCOPES ---------- */
.scopes{display:grid;grid-template-columns:230px 1fr;gap:clamp(16px,2.6vw,36px)}
.scope-tabs{display:flex;flex-direction:column;gap:6px;position:sticky;top:92px;align-self:start}
.scope-tabs button{
  cursor:pointer;text-align:left;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;
  padding:15px 18px;background:rgba(9,15,28,.6);border:1px solid var(--line);color:var(--txt-2);
  clip-path:polygon(0 0,calc(100% - 11px) 0,100% 11px,100% 100%,0 100%);transition:.25s;
}
.scope-tabs button i{grid-column:2;font-style:normal;font-family:var(--mono);font-size:.62rem;letter-spacing:.18em;color:var(--txt-3)}
.scope-tabs button span.idx{grid-row:1/3;font-size:1.15rem;font-family:var(--mono);color:var(--txt-3);letter-spacing:0;align-self:center}
.scope-tabs button:hover{border-color:var(--line-2);color:var(--txt)}
.scope-tabs button[aria-selected="true"]{background:linear-gradient(100deg,rgba(79,240,255,.16),rgba(168,107,255,.08));border-color:var(--cyan);color:var(--txt)}
.scope-tabs button[aria-selected="true"] span.idx{color:var(--cyan);text-shadow:0 0 14px var(--cyan)}
.scope-body{min-height:520px}
.scope-hero{border:1px solid var(--line);background:var(--panel);clip-path:var(--clip);padding:clamp(20px,3vw,34px);position:relative;overflow:hidden}
.scope-hero::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;background:radial-gradient(circle,rgba(168,107,255,.22),transparent 68%)}
.scope-hero h3{margin:0 0 6px;font-size:clamp(1.35rem,2.6vw,1.95rem)}
.scope-hero .day{margin:14px 0 0;color:var(--txt-2);max-width:74ch;font-size:1.02rem;position:relative;z-index:1}
.scope-hero .day b{color:var(--cyan)}
.scope-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:26px;position:relative;z-index:1}
.scope-metrics>div{background:rgba(6,10,18,.92);padding:14px 16px}
.scope-metrics dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;color:var(--txt-3)}
.scope-metrics dd{margin:6px 0 0;font-family:var(--mono);font-size:1.32rem;color:var(--cyan);font-weight:700}
.scope-metrics dd small{font-size:.7rem;color:var(--txt-2);font-weight:400;margin-left:4px}
.scene-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px;margin-top:16px}
.scene{position:relative;background:rgba(9,15,28,.62);border:1px solid var(--line);padding:20px 22px 22px;transition:.28s;overflow:hidden}
.scene::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:linear-gradient(90deg,var(--cyan),var(--mag));transition:width .4s}
.scene:hover{border-color:var(--line-2);background:rgba(14,24,44,.8);transform:translateY(-3px)}
.scene:hover::before{width:100%}
.scene .hd{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.scene h4{margin:0;font-size:1.06rem}
.scene .badge{flex:none;font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;padding:3px 9px;border:1px solid currentColor}
.b-live{color:var(--lime)}.b-pilot{color:var(--amber)}.b-rising{color:var(--blue)}.b-early{color:var(--txt-3)}
.scene p{margin:0;font-size:.92rem;color:var(--txt-2);line-height:1.7}
.scene .who{margin-top:12px;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--txt-3)}
@media (max-width:900px){.scopes{grid-template-columns:1fr}.scope-tabs{position:static;flex-direction:row;overflow:auto}.scope-tabs button{min-width:168px;clip-path:none}}

/* ---------- 03 CATALOG ---------- */
.cat-bar{display:flex;flex-wrap:wrap;gap:18px 26px;padding:18px 20px;background:rgba(9,15,28,.6);border:1px solid var(--line);margin-bottom:14px}
.cat-group{display:flex;align-items:center;flex-wrap:wrap;gap:7px}
.cat-label{font-size:.62rem;letter-spacing:.16em;color:var(--txt-3);margin-right:4px}
#catSearch{flex:1;min-width:220px;background:rgba(4,8,16,.9);border:1px solid var(--line);color:var(--txt);font-family:var(--mono);font-size:.82rem;padding:8px 12px;letter-spacing:.04em}
#catSearch:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(79,240,255,.1)}
#catSearch::placeholder{color:var(--txt-3)}
.cat-count{margin:0 0 12px;font-size:.7rem;letter-spacing:.12em;color:var(--txt-3)}
.cat-count b{color:var(--cyan)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(288px,1fr));gap:14px}
.card{
  position:relative;cursor:pointer;text-align:left;color:inherit;font:inherit;
  background:linear-gradient(170deg,rgba(13,22,40,.9),rgba(7,12,23,.94));
  border:1px solid var(--line);clip-path:var(--clip);padding:0;overflow:hidden;transition:.3s;
}
.card:hover{border-color:var(--cyan);transform:translateY(-4px);box-shadow:0 22px 46px -26px rgba(79,240,255,.6)}
.card:hover .c-vis{filter:hue-rotate(22deg) brightness(1.25)}
.c-vis{height:132px;display:grid;place-items:center;border-bottom:1px solid var(--line);position:relative;transition:.4s;
  background:radial-gradient(120px 80px at 50% 118%,rgba(79,240,255,.2),transparent 70%)}
.c-vis svg{width:88px;height:88px;overflow:visible}
.c-vis::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(96,160,220,.07) 0 1px,transparent 1px 4px)}
.c-body{padding:16px 18px 18px}
.c-code{font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;color:var(--txt-3)}
.c-body h4{margin:5px 0 3px;font-size:1.04rem;line-height:1.3}
.c-body .vendor{font-size:.8rem;color:var(--txt-3);margin:0 0 12px}
.c-specs{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;margin:0;padding:0;border-top:1px solid var(--line);padding-top:12px}
.c-specs div{min-width:0}
.c-specs dt{font-family:var(--mono);font-size:.56rem;letter-spacing:.1em;color:var(--txt-3)}
.c-specs dd{margin:2px 0 0;font-size:.86rem;font-family:var(--mono);color:var(--txt)}
.c-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;gap:8px}
.c-foot .badge{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;padding:3px 9px;border:1px solid currentColor}
.c-bar{flex:1;height:3px;background:rgba(96,160,220,.16);position:relative;max-width:96px}
.c-bar i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--cyan),var(--mag));width:var(--v)}
.c-none{grid-column:1/-1;padding:44px;text-align:center;color:var(--txt-3);border:1px dashed var(--line-2);font-family:var(--mono);font-size:.82rem;letter-spacing:.1em}

/* drawer */
.drawer{position:fixed;inset:0;z-index:70}
.drawer-bg{position:absolute;inset:0;background:rgba(2,4,10,.8);backdrop-filter:blur(4px)}
.drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(560px,100%);overflow:auto;
  background:linear-gradient(180deg,#0a1225,#060a14);border-left:1px solid var(--cyan);
  padding:clamp(24px,4vw,42px);box-shadow:-30px 0 80px -30px rgba(79,240,255,.3);
  animation:slidein .34s cubic-bezier(.2,.8,.2,1);
}
@keyframes slidein{from{transform:translateX(100%)}}
.drawer-x{position:sticky;top:0;float:right;cursor:pointer;background:transparent;border:1px solid var(--line-2);color:var(--txt-2);font-size:.7rem;letter-spacing:.1em;padding:7px 11px}
.drawer-x:hover{color:var(--mag);border-color:var(--mag)}
.dz-hero{display:flex;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:22px;clear:both}
.dz-hero svg{width:96px;height:96px;flex:none}
.dz-hero h3{margin:0 0 4px;font-size:1.5rem}
.dz-sum{color:var(--txt-2);font-size:.98rem}
.dz-table{width:100%;border-collapse:collapse;margin:18px 0 0;font-size:.88rem}
.dz-table th,.dz-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
.dz-table th{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;color:var(--txt-3);font-weight:400;width:42%}
.dz-table td{font-family:var(--mono);color:var(--txt)}
.dz-sec h4{margin:26px 0 8px;font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;color:var(--cyan)}
.dz-sec p{margin:0;color:var(--txt-2);font-size:.94rem}
.dz-sec ul{margin:8px 0 0;padding-left:20px;color:var(--txt-2);font-size:.92rem}
.dz-sec li{margin-bottom:5px}

/* ---------- 04 IMAGINE ---------- */
.imagine{position:relative}
.im-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:14px}
.im{
  background:rgba(9,15,28,.66);border:1px solid var(--line);padding:22px 24px 20px;position:relative;overflow:hidden;transition:.3s;
}
.im::before{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--violet),transparent);opacity:.5}
.im:hover{border-color:rgba(168,107,255,.55);background:rgba(16,22,44,.85);transform:translateY(-3px)}
.im .yr{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;color:var(--violet)}
.im h4{margin:8px 0 10px;font-size:1.16rem;line-height:1.35}
.im .pre{margin:0;color:var(--txt-2);font-size:.93rem}
.im .pre b{color:var(--cyan)}
.im .pre span{color:var(--cyan);font-weight:600}
.im .toggle{
  margin-top:16px;width:100%;cursor:pointer;background:transparent;border:1px dashed rgba(168,107,255,.4);
  color:var(--violet);font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;padding:9px;transition:.24s;
}
.im .toggle:hover{background:rgba(168,107,255,.1);border-style:solid}
.im .cost{display:grid;grid-template-rows:0fr;transition:grid-template-rows .42s ease}
.im.open .cost{grid-template-rows:1fr}
.im .cost>div{overflow:hidden}
.im .cost .inner{border-top:1px solid var(--line);margin-top:14px;padding-top:14px}
.im .cost h5{margin:0 0 8px;font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;color:var(--amber)}
.im .cost ul{margin:0 0 14px;padding-left:18px;font-size:.9rem;color:var(--txt-2)}
.im .cost li{margin-bottom:5px}
.risk{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;color:var(--txt-3)}
.risk span{display:flex;align-items:center;gap:6px}
.risk i{width:34px;height:3px;background:rgba(96,160,220,.2);display:block;position:relative}
.risk i::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--v);background:var(--rc,var(--amber))}
.r-high{--rc:#ff5470}.r-mid{--rc:var(--amber)}.r-low{--rc:var(--lime)}
.im-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.im-tags span{font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;color:var(--txt-3);border:1px solid var(--line);padding:2px 7px}

/* ---------- 05 METRICS ---------- */
.m-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:14px}
.bars{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:15px}
.bars li{display:grid;grid-template-columns:1fr auto;gap:6px 12px}
.bars .lb{font-size:.9rem}
.bars .vl{font-family:var(--mono);font-size:.82rem;color:var(--cyan)}
.bars .tr{grid-column:1/-1;height:6px;background:rgba(96,160,220,.13);position:relative;overflow:hidden}
.bars .tr i{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,var(--cyan-dim),var(--cyan));transition:width 1.3s cubic-bezier(.2,.8,.2,1)}
.bars .tr.human i{background:linear-gradient(90deg,var(--amber),var(--mag))}
.bars .tr.human::after{content:"基线 100";position:absolute;top:-4px;bottom:-4px;left:71.4%;border-left:1px dashed rgba(255,179,71,.85);font-family:var(--mono);font-size:.54rem;color:var(--amber);padding-left:4px;white-space:nowrap;letter-spacing:.06em}
.chart{display:flex;align-items:flex-end;gap:12px;height:236px;padding-top:14px}
.chart .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:8px;min-width:0;position:relative}
.chart .bar{width:100%;max-width:44px;height:0;background:linear-gradient(180deg,var(--cyan),rgba(34,184,204,.25));transition:height 1.2s cubic-bezier(.2,.8,.2,1);position:relative}
.chart .bar span{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:.7rem;color:var(--cyan);white-space:nowrap}
.chart .nm{font-size:.7rem;color:var(--txt-3);text-align:center;line-height:1.3;font-family:var(--mono)}
.mix{display:flex;height:38px;border:1px solid var(--line);overflow:hidden}
.mix i{display:block;width:0;background:var(--c);transition:width 1.1s ease;display:grid;place-items:center;font-family:var(--mono);font-size:.66rem;color:#03202a;font-weight:700}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:.68rem;letter-spacing:.08em;color:var(--txt-3)}
.legend span{display:flex;align-items:center;gap:7px}
.legend b{width:10px;height:10px;background:var(--c);display:block}

/* ---------- 06 GUARD ---------- */
.g-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.g-card{background:rgba(9,15,28,.6);border:1px solid var(--line);border-left:2px solid var(--mag);padding:22px 24px;transition:.28s}
.g-card:hover{border-left-color:var(--cyan);background:rgba(14,22,42,.85);transform:translateX(3px)}
.g-card h3{margin:0 0 10px;font-size:1.1rem;display:flex;align-items:center;gap:11px}
.g-card h3 .mono{font-size:.68rem;letter-spacing:.14em;color:var(--mag)}
.g-card p{margin:0;font-size:.93rem;color:var(--txt-2)}
.g-meter{margin-top:18px;position:relative;height:4px;background:rgba(96,160,220,.15)}
.g-meter i{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,var(--mag),var(--amber));transition:width 1.2s}
.g-meter span{position:absolute;right:0;top:12px;font-size:.62rem;letter-spacing:.1em;color:var(--txt-3)}
.g-meter{margin-bottom:20px}

/* ---------- 07 CLOSE ---------- */
.closing{border:1px solid var(--line);background:linear-gradient(150deg,rgba(79,240,255,.07),rgba(168,107,255,.05),transparent);clip-path:var(--clip);padding:clamp(26px,5vw,62px)}
.closing .big{margin:0;font-size:clamp(1.12rem,2.1vw,1.6rem);line-height:1.62;max-width:74ch}
.closing .fine{margin:24px 0 0}

/* ---------- FOOTER ---------- */
.foot{border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(4,6,13,.9));padding:clamp(34px,5vw,58px) var(--pad) 20px;margin-top:40px}
.foot-top{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(20px,4vw,60px);max-width:1480px;margin:0 auto}
.foot-top b{font-size:.92rem;letter-spacing:.14em;color:var(--cyan)}
.foot-top p{margin:12px 0 0;font-size:.88rem;color:var(--txt-3);max-width:62ch}
.foot-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.foot-cols h4{margin:0 0 12px;font-size:.64rem;letter-spacing:.18em;color:var(--txt-3)}
.foot-cols a,.foot-cols span{display:block;font-size:.86rem;color:var(--txt-2);text-decoration:none;margin-bottom:8px}
.foot-cols a:hover{color:var(--cyan)}
.foot-bot{display:flex;justify-content:space-between;gap:16px;max-width:1480px;margin:clamp(26px,4vw,44px) auto 0;padding-top:18px;border-top:1px solid var(--line);font-size:.66rem;letter-spacing:.12em;color:var(--txt-3)}
@media (max-width:820px){.foot-top{grid-template-columns:1fr}}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  .rv{opacity:1;transform:none}
  .cursor-glow,.grain{display:none}
}