/* =========================================================
   智锁 · 三维爆炸视图
   ========================================================= */
:root{
  --bg:#06090c;
  --panel:#0b1116;
  --panel-2:#0e151b;
  --panel-3:#121b23;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --fg:#e8eef4;
  --dim:#9aa8b6;
  --dimmer:#6a7784;
  --accent:#3fd8c0;
  --accent-d:#1e9e8d;
  --amber:#f0b35e;
  --blue:#6fb2ff;
  --danger:#ff7676;
  --mono:"JetBrains Mono","Cascadia Mono","SF Mono",ui-monospace,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:14px;
  --shadow:0 24px 60px -30px rgba(0,0,0,.9);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
img,svg{display:block;max-width:100%}
::selection{background:rgba(63,216,192,.28)}

/* 背景 */
.bg-grid{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 20%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 20%,#000 20%,transparent 78%);
}
.bg-glow{
  position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    radial-gradient(1100px 640px at 72% -10%,rgba(63,216,192,.13),transparent 62%),
    radial-gradient(900px 620px at 6% 4%,rgba(80,140,255,.10),transparent 62%),
    radial-gradient(1200px 800px at 50% 100%,rgba(63,216,192,.05),transparent 70%);
}

.wrap{width:100%;max-width:1560px;margin:0 auto;padding:0 clamp(16px,3vw,44px)}

/* ---------------- 导航 ---------------- */
.nav{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:clamp(14px,3vw,40px);
  padding:12px clamp(16px,3vw,44px);
  background:rgba(6,9,12,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--accent)}
.brand-txt{font-size:16px;font-weight:600;letter-spacing:.02em;color:var(--fg);white-space:nowrap}
.brand-txt em{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--dimmer);margin-left:8px;text-transform:uppercase}
.nav-links{display:flex;gap:clamp(10px,1.6vw,26px);margin-left:auto;font-size:13px;color:var(--dim)}
.nav-links a{position:relative;padding:6px 2px;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:2px;right:2px;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .28s}
.nav-links a:hover{color:var(--fg)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-total{display:flex;align-items:center;gap:10px;padding-left:clamp(10px,2vw,26px);border-left:1px solid var(--line);white-space:nowrap}
.nav-total span{font-size:11px;color:var(--dimmer);letter-spacing:.08em}
.nav-total b{font-family:var(--mono);font-size:15px;color:var(--amber);font-weight:600}

/* ---------------- 通用章节 ---------------- */
.sec{padding:clamp(44px,5vw,78px) 0;position:relative}
.sec-alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.014) 12%,rgba(255,255,255,.014) 88%,transparent)}
.sec-num{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--accent);opacity:.85}
.sec-head{display:grid;grid-template-columns:52px minmax(0,1fr);gap:4px 20px;margin-bottom:clamp(28px,3.4vw,46px)}
.sec-head .sec-num{grid-row:1/span 2;padding-top:12px}
.sec-head h2{font-size:clamp(24px,2.7vw,38px);line-height:1.2;font-weight:600;letter-spacing:-.01em}
.sec-head p{grid-column:2;max-width:78ch;color:var(--dim);font-size:14.5px;margin-top:10px}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .75s cubic-bezier(.22,1,.36,1),transform .75s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
html.static .reveal{opacity:1!important;transform:none!important;transition:none!important}
html.static .cat-track i,html.static .wk-track i,html.static .donut{transition:none!important;animation:none!important}

/* ---------------- 01 视口区 ---------------- */
.sec-viewer{padding-top:clamp(18px,2vw,30px)}
.stage-head{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(18px,3vw,54px);align-items:end;margin-bottom:clamp(12px,1.6vw,20px);
}
.kicker{display:flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:.13em;color:var(--dim);text-transform:uppercase;margin-bottom:9px}
.kicker i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.stage-head h1{font-size:clamp(24px,2.9vw,40px);line-height:1.16;font-weight:600;letter-spacing:-.018em}
.stage-head h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#6df3dc,#3fd8c0 45%,#6fb2ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stage-head-side .lede{color:var(--dim);font-size:14.5px;max-width:52ch}
.chips{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.chips li{
  display:flex;align-items:baseline;gap:7px;padding:7px 13px;border-radius:10px;
  background:rgba(255,255,255,.028);border:1px solid var(--line);
}
.chips b{font-family:var(--mono);font-size:15px;color:var(--accent);font-weight:600}
.chips span{font-size:11px;color:var(--dimmer)}

/* 舞台 */
.stage{
  display:grid;grid-template-columns:284px minmax(0,1fr) 344px;gap:12px;
  height:clamp(700px,calc(100vh - 246px),960px);
}
.viewer-center{display:flex;flex-direction:column;gap:10px;min-width:0;min-height:0}
.viewer-center .viewport{flex:1;min-height:360px}
.rail{
  display:flex;flex-direction:column;min-height:0;
  background:linear-gradient(180deg,rgba(14,21,27,.92),rgba(9,14,19,.92));
  border:1px solid var(--line);border-radius:var(--r);
  backdrop-filter:blur(12px);overflow:hidden;
}
.rail-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 15px 11px;border-bottom:1px solid var(--line);
}
.rail-head h2{font-size:12px;letter-spacing:.14em;color:var(--dim);font-weight:500;text-transform:uppercase}
.rail-count{font-family:var(--mono);font-size:11px;color:var(--accent);padding:2px 7px;border:1px solid rgba(63,216,192,.28);border-radius:5px;background:rgba(63,216,192,.07)}
.rail-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.rail-scroll::-webkit-scrollbar{width:8px}
.rail-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:99px;border:2px solid transparent;background-clip:padding-box}
.rail-scroll::-webkit-scrollbar-track{background:transparent}

/* 部件清单 */
.pgroup{padding:10px 0 4px}
.pgroup-head{
  display:flex;align-items:center;gap:8px;padding:5px 15px 7px;
  font-size:10.5px;color:var(--dimmer);letter-spacing:.06em;
}
.pgroup-head b{font-family:var(--mono);color:var(--dim);font-weight:600}
.pgroup-head::after{content:"";flex:1;height:1px;background:var(--line)}
.pitem{
  display:flex;align-items:center;gap:9px;width:100%;text-align:left;
  padding:7px 15px 7px 14px;border-left:2px solid transparent;
  transition:background .16s,border-color .16s;
}
.pitem:hover{background:rgba(255,255,255,.035)}
.pitem.is-on{background:rgba(63,216,192,.075);border-left-color:var(--accent)}
.pdot{width:7px;height:7px;border-radius:50%;background:var(--c,#888);box-shadow:0 0 9px color-mix(in srgb,var(--c,#888) 70%,transparent);flex:none}
.pitem.is-on .pdot{transform:scale(1.28)}
.pname{font-size:12.5px;color:var(--fg);line-height:1.3;flex:1;min-width:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pitem.is-on .pname{color:#fff}
.pval{font-family:var(--mono);font-size:11px;color:var(--dimmer);flex:none}
.rail-foot{display:flex;align-items:center;gap:8px;padding:9px 15px;border-top:1px solid var(--line);font-size:10.5px;color:var(--dimmer)}
.dot{width:5px;height:5px;border-radius:50%}
.dot-a{background:var(--accent)}
.dot-b{background:rgba(255,255,255,.25)}

/* 视口 */
.viewport{
  position:relative;border-radius:var(--r);overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% 0%,#101a22 0%,#0a1016 45%,#05080b 100%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05),var(--shadow);
  touch-action:none;
}
.viewport::after{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:var(--r);
  box-shadow:inset 0 0 90px 30px rgba(3,6,9,.55);
}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;outline:none}
.labels{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}

/* 三维标签 */
.lbl{
  position:absolute;display:flex;align-items:center;gap:8px;
  pointer-events:none;transition:opacity .25s;
  will-change:transform;
}
.lbl-dot{
  width:9px;height:9px;border-radius:50%;flex:none;margin-left:-4.5px;
  background:var(--c,#8aa);box-shadow:0 0 0 3px rgba(8,12,16,.72),0 0 14px var(--c,#8aa);
  border:1px solid rgba(255,255,255,.85);
}
.lbl-body{
  display:flex;align-items:center;gap:7px;white-space:nowrap;
  padding:3px 9px 3px 7px;border-radius:7px;
  background:rgba(8,13,18,.82);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(9px);
  font-size:11px;line-height:1.5;color:#dfe7ee;
  box-shadow:0 6px 20px -12px #000;
}
.lbl-body b{font-family:var(--mono);font-size:9.5px;letter-spacing:.05em;color:var(--c,#8aa);font-weight:600}
.lbl.is-left{flex-direction:row-reverse}
.lbl.is-left .lbl-dot{margin-left:0;margin-right:-4.5px}
.lbl.is-compact .lbl-body{display:none}
.lbl.is-dim{opacity:.22}
.lbl.is-dim .lbl-body{pointer-events:none}

/* 视口浮层 */
.vp-top{
  position:absolute;top:0;left:0;right:0;z-index:3;
  display:flex;justify-content:space-between;align-items:flex-start;gap:10px;
  padding:12px;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,8,11,.78),transparent);
}
.vp-views,.vp-toggles{display:flex;gap:6px;pointer-events:auto;flex-wrap:wrap}
.vbtn,.tbtn{
  padding:5px 10px;font-size:11.5px;border-radius:7px;
  background:rgba(13,20,26,.72);border:1px solid var(--line);color:var(--dim);
  backdrop-filter:blur(8px);transition:all .18s;
}
.vbtn:hover,.tbtn:hover{color:var(--fg);border-color:var(--line-2);background:rgba(22,32,40,.9)}
.vbtn.is-on{color:#04120f;background:var(--accent);border-color:var(--accent);font-weight:600}
.tbtn.is-on{color:var(--accent);border-color:rgba(63,216,192,.55);background:rgba(63,216,192,.12)}

.viewer-controls{display:grid;gap:8px;flex:none;min-width:0}
.door-ctl,.explode-ctl{
  padding:11px 13px;border-radius:11px;min-width:0;
  background:rgba(10,16,21,.92);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;
}
.door-ctl{border-color:rgba(63,216,192,.22)}
.control-head{display:flex;align-items:center;justify-content:space-between;gap:10px;min-width:0}
.control-head h2{display:flex;align-items:center;gap:7px;font-size:11.5px;font-weight:600;white-space:nowrap}
.control-head>span{font-size:10px;color:var(--dimmer);text-align:right;line-height:1.5}
.control-dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}
.control-head .door-status{color:var(--dim)}
.door-ctl.is-moving .door-status{color:var(--accent)}
.door-ctl.is-exploded .door-status{color:var(--amber)}
.door-range-row{display:flex;align-items:center;gap:10px;min-width:0}
.door-angle{min-width:45px;text-align:right;font:500 14px var(--mono);color:var(--accent)}
.door-actions{display:flex;gap:6px}
.door-actions button{flex:1}
.door-options{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.door-options button{display:inline-flex;align-items:center;gap:6px;padding:3px 0;font-size:11px;color:var(--dimmer)}
.door-options button i{width:11px;height:11px;border:1px solid var(--dimmer);border-radius:3px;position:relative}
.door-options button.is-on{color:var(--accent)}
.door-options button.is-on i{border-color:var(--accent);background:rgba(63,216,192,.16)}
.door-options button.is-on i::after{content:"";position:absolute;inset:2px;border-radius:1px;background:var(--accent)}
.door-options>span{margin-left:auto;font:10px var(--mono);color:var(--dimmer)}
.viewer-controls button:focus-visible,.vp-top button:focus-visible,input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.explode-row{display:flex;align-items:center;gap:10px;flex:1;min-width:150px}
.ex-label{font-size:10.5px;color:var(--dimmer);letter-spacing:.06em;flex:none}
.ex-val{font-family:var(--mono);font-size:12px;color:var(--accent);width:40px;text-align:right;flex:none}
.explode-btns{display:flex;gap:6px;flex:none}
.explode-btns button{flex:1}
.explode-btns button,.door-actions button{
  padding:5px 11px;font-size:11.5px;border-radius:7px;
  border:1px solid var(--line);color:var(--dim);background:rgba(255,255,255,.022);
  transition:all .18s;white-space:nowrap;
}
.explode-btns button:hover,.door-actions button:hover{color:var(--fg);border-color:var(--line-2);background:rgba(255,255,255,.06)}
.explode-btns button.is-primary,.door-actions button.is-primary{background:var(--accent);color:#04120f;border-color:var(--accent);font-weight:600}
.explode-btns button.is-primary:hover,.door-actions button.is-primary:hover{background:#54e6d0}
.door-actions button[aria-pressed=true]{color:var(--accent);border-color:rgba(63,216,192,.55);background:rgba(63,216,192,.12)}
.explode-btns button.is-ghost{color:var(--accent);border-color:rgba(63,216,192,.3)}

input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;min-width:0;height:22px;background:transparent;cursor:pointer;
}
input[type=range]::-webkit-slider-runnable-track{
  height:4px;border-radius:99px;
  background:linear-gradient(90deg,var(--accent) 0%,var(--accent) var(--fill,0%),rgba(255,255,255,.12) var(--fill,0%),rgba(255,255,255,.12) 100%);
}
input[type=range]::-moz-range-track{height:4px;border-radius:99px;background:rgba(255,255,255,.12)}
input[type=range]::-moz-range-progress{height:4px;border-radius:99px;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:15px;height:15px;border-radius:50%;margin-top:-5.5px;
  background:#fff;border:3px solid var(--accent-d);
  box-shadow:0 0 0 3px rgba(63,216,192,.16),0 2px 8px rgba(0,0,0,.6);
  transition:transform .15s;
}
input[type=range]:active::-webkit-slider-thumb{transform:scale(1.14)}
input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--accent-d)}

.vp-hint{
  position:absolute;right:14px;bottom:12px;left:14px;z-index:2;
  font-size:10.5px;color:rgba(154,168,182,.62);letter-spacing:.03em;
  pointer-events:none;text-align:right;
}
.vp-loading{
  position:absolute;inset:0;z-index:9;display:flex;align-items:center;justify-content:center;gap:10px;
  background:#080c10;font-size:12px;color:var(--dim);letter-spacing:.08em;
  transition:opacity .5s;
}
.vp-loading i{width:12px;height:12px;border:2px solid rgba(63,216,192,.24);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.vp-loading.gone{opacity:0;pointer-events:none}

/* 部件档案 */
.detail-empty{padding:40px 20px;text-align:center;color:var(--dimmer);font-size:12.5px;line-height:1.9}
.detail-empty svg{width:34px;height:34px;margin:0 auto 14px;color:rgba(154,168,182,.35)}
.detail-empty b{display:block;color:var(--dim);font-weight:500;margin-bottom:4px}

.detail{padding:16px 15px 20px;animation:fadeIn .32s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.d-top{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.d-code{
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.06em;
  padding:2.5px 7px;border-radius:5px;color:var(--accent);
  background:rgba(63,216,192,.11);border:1px solid rgba(63,216,192,.28);
}
.d-cat{font-size:10.5px;color:var(--dimmer)}
.detail h3{font-size:16.5px;font-weight:600;line-height:1.35;letter-spacing:-.005em}
.d-spec{font-size:11.5px;color:var(--dim);margin-top:6px;line-height:1.6;font-family:var(--mono);word-break:break-all}
.d-price{margin:16px 0 4px;display:flex;align-items:baseline;gap:8px}
.d-price b{font-family:var(--mono);font-size:26px;color:var(--fg);font-weight:600;letter-spacing:-.02em}
.d-price span{font-size:11px;color:var(--dimmer)}
.d-price i{font-family:var(--mono);font-style:normal;font-size:12px;color:var(--amber);margin-left:auto}

.d-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:14px;background:var(--line);border:1px solid var(--line);border-radius:9px;overflow:hidden}
.d-grid div{background:var(--panel-2);padding:9px 11px}
.d-grid dt{font-size:10px;color:var(--dimmer);letter-spacing:.06em;margin-bottom:2px}
.d-grid dd{font-family:var(--mono);font-size:13px;color:var(--fg)}

.d-desc{font-size:12.5px;color:var(--dim);line-height:1.78;margin-top:15px;padding-top:14px;border-top:1px solid var(--line)}
.d-src{
  margin-top:11px;font-size:11px;color:var(--dimmer);line-height:1.7;
  padding-left:10px;border-left:2px solid rgba(240,179,94,.45);
}
.d-bar{height:3px;border-radius:99px;background:rgba(255,255,255,.08);margin-top:16px;overflow:hidden}
.d-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--blue));transition:width .5s cubic-bezier(.22,1,.36,1)}
.d-bar-note{display:flex;justify-content:space-between;font-size:10px;color:var(--dimmer);margin-top:6px}
.d-actions{display:flex;gap:6px;margin-top:16px}
.d-actions button{
  flex:1;padding:7px;font-size:11.5px;border-radius:8px;
  border:1px solid var(--line);color:var(--dim);background:rgba(255,255,255,.025);transition:all .18s;
}
.d-actions button:hover{color:var(--fg);border-color:var(--line-2);background:rgba(255,255,255,.06)}

/* ---------------- 02 链路 ---------------- */
.chain-flow{display:flex;align-items:stretch;gap:0}
.chain-node{
  flex:1 1 0;min-width:0;position:relative;padding:20px 16px 18px;
  background:linear-gradient(180deg,rgba(15,22,29,.9),rgba(10,15,20,.9));
  border:1px solid var(--line);border-radius:13px;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.chain-node::before{
  content:"";position:absolute;left:16px;right:16px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c),transparent);opacity:.85;
}
.chain-node:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--c) 40%,transparent);box-shadow:0 18px 40px -28px var(--c)}
.cn-ico{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:13px;
  color:var(--c);background:color-mix(in srgb,var(--c) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--c) 26%,transparent);
}
.cn-ico svg{width:21px;height:21px;fill:none}
.chain-node h3{font-size:13.5px;font-weight:600;line-height:1.4}
.chain-node p{font-size:11.5px;color:var(--dim);margin-top:5px}
.cn-tag{
  display:inline-block;margin-top:12px;font-family:var(--mono);font-size:10px;
  color:color-mix(in srgb,var(--c) 85%,#fff);padding:2.5px 7px;border-radius:5px;
  background:color-mix(in srgb,var(--c) 10%,transparent);
  border:1px solid color-mix(in srgb,var(--c) 22%,transparent);
}
.chain-link{
  flex:0 0 clamp(46px,6vw,92px);position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  padding:0 6px;
}
.chain-link::before{
  content:"";width:100%;height:1px;
  background-image:linear-gradient(90deg,rgba(255,255,255,.3) 50%,transparent 0);
  background-size:7px 1px;
  animation:flow 1.1s linear infinite;
}
@keyframes flow{to{background-position:7px 0}}
.chain-link i{
  position:absolute;top:calc(50% - 1px);right:2px;width:5px;height:5px;border-radius:50%;
  background:rgba(255,255,255,.42);
}
.chain-link span{
  font-family:var(--mono);font-size:8.5px;color:var(--dimmer);letter-spacing:.02em;
  text-align:center;line-height:1.3;white-space:nowrap;
}
.chain-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.cn-note{padding:18px 20px;border-radius:12px;background:rgba(255,255,255,.02);border:1px solid var(--line)}
.cn-note h4{font-size:12.5px;font-weight:600;margin-bottom:8px}
.cn-note h4 span{display:inline-flex;align-items:center;gap:7px}
.cn-note h4 span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px var(--amber)}
.cn-note p{font-size:12px;color:var(--dim);line-height:1.78}

/* ---------------- 03 预算 ---------------- */
.budget-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);gap:clamp(18px,2.4vw,34px);align-items:start}
.cat-list{display:flex;flex-direction:column;gap:4px}
.cat{padding:13px 4px 15px;border-bottom:1px solid var(--line)}
.cat:last-child{border-bottom:none}
.cat-top{display:flex;align-items:baseline;gap:11px}
.cat-code{
  font-family:var(--mono);font-size:11px;font-weight:600;color:var(--c);
  width:22px;height:22px;display:grid;place-items:center;border-radius:6px;
  background:color-mix(in srgb,var(--c) 13%,transparent);
  border:1px solid color-mix(in srgb,var(--c) 30%,transparent);
  flex:none;align-self:center;
}
.cat h3{font-size:14px;font-weight:500;flex:1;min-width:0}
.cat-amt{font-family:var(--mono);font-size:15px;color:var(--fg);letter-spacing:-.01em}
.cat-pct{font-family:var(--mono);font-size:11px;color:var(--dimmer);width:52px;text-align:right}
.cat-track{height:6px;border-radius:99px;background:rgba(255,255,255,.055);margin-top:11px;overflow:hidden}
.cat-track i{
  display:block;height:100%;border-radius:99px;width:0;
  background:linear-gradient(90deg,color-mix(in srgb,var(--c) 75%,transparent),var(--c));
  box-shadow:0 0 16px -2px color-mix(in srgb,var(--c) 60%,transparent);
  transition:width 1.1s cubic-bezier(.22,1,.36,1);
}
.cat-note{font-size:11.5px;color:var(--dimmer);margin-top:8px}

.donut-card{
  padding:22px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,24,31,.78),rgba(9,14,19,.78));
  display:flex;flex-direction:column;align-items:center;gap:16px;
  position:sticky;top:88px;
}
.donut-wrap{position:relative;width:min(268px,80%);aspect-ratio:1}
.donut{
  position:absolute;inset:0;border-radius:50%;
  -webkit-mask-image:radial-gradient(circle,transparent 55%,#000 55.6%);
  mask-image:radial-gradient(circle,transparent 55%,#000 55.6%);
  animation:donutIn .9s cubic-bezier(.22,1,.36,1);
}
@keyframes donutIn{from{opacity:0;transform:scale(.9) rotate(-8deg)}to{opacity:1;transform:none}}
.donut-hole{
  position:absolute;inset:24%;border-radius:50%;display:grid;place-content:center;text-align:center;
}
.donut-hole span{font-size:10.5px;color:var(--dimmer);letter-spacing:.08em}
.donut-hole b{font-family:var(--mono);font-size:clamp(20px,2.2vw,27px);color:var(--fg);font-weight:600;letter-spacing:-.02em;line-height:1.25}
.donut-hole i{font-style:normal;font-size:10px;color:var(--dimmer)}
.donut-note{font-family:var(--mono);font-size:10.5px;color:var(--dimmer);text-align:center;letter-spacing:-.01em}
.donut-legend{display:grid;grid-template-columns:1fr 1fr;gap:7px 12px;width:100%}
.dl-item{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--dim)}
.dl-item i{width:7px;height:7px;border-radius:2px;background:var(--c);flex:none}
.dl-item b{font-family:var(--mono);color:var(--fg);margin-left:auto;font-weight:500;font-size:11px}

.week-card{
  margin-top:clamp(22px,3vw,34px);border:1px solid var(--line);border-radius:var(--r);
  background:rgba(255,255,255,.016);overflow:hidden;
}
.week-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.week-head h3{font-size:14px;font-weight:600}
.week-head span{font-size:11px;color:var(--dimmer);font-family:var(--mono)}
.week-list{padding:6px 20px 16px}
.week-row{display:grid;grid-template-columns:74px minmax(130px,1.1fr) minmax(0,2.4fr) 84px;gap:14px;align-items:center;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.045)}
.week-row:last-child{border-bottom:none}
.wk{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.wk-task{font-size:12px;color:var(--dim);min-width:0}
.wk-track{height:5px;border-radius:99px;background:rgba(255,255,255,.05);overflow:hidden}
.wk-track i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,rgba(63,216,192,.45),var(--accent));width:0;transition:width 1.2s cubic-bezier(.22,1,.36,1)}
.week-row.is-warn .wk-track i{background:linear-gradient(90deg,rgba(240,179,94,.4),var(--amber))}
.wk-amt{font-family:var(--mono);font-size:12.5px;text-align:right;color:var(--fg)}
.wk-amt.zero{color:var(--dimmer)}
.week-note{padding:12px 20px 16px;font-size:11.5px;color:var(--dimmer);border-top:1px solid var(--line);line-height:1.75}

/* ---------------- 04 表格 ---------------- */
.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.tab{
  padding:9px 15px;border-radius:9px;font-size:12.5px;color:var(--dim);
  border:1px solid var(--line);background:rgba(255,255,255,.02);transition:all .18s;
  display:flex;align-items:center;gap:9px;
}
.tab i{font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--dimmer)}
.tab:hover{color:var(--fg);border-color:var(--line-2)}
.tab.is-on{color:var(--fg);border-color:rgba(63,216,192,.4);background:rgba(63,216,192,.08)}
.tab.is-on i{color:var(--accent)}
.table-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:auto;background:rgba(255,255,255,.012);max-height:640px}
.table-wrap.is-hidden{display:none}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{
  position:sticky;top:0;z-index:2;text-align:left;font-weight:500;font-size:10.5px;
  letter-spacing:.09em;text-transform:uppercase;color:var(--dimmer);
  padding:11px 14px;background:#0c1218;border-bottom:1px solid var(--line-2);white-space:nowrap;
}
.tbl td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.045);vertical-align:top}
.tbl tbody tr{transition:background .16s;cursor:pointer}
.tbl tbody tr:hover{background:rgba(63,216,192,.055)}
.tbl tbody tr.is-on{background:rgba(63,216,192,.1)}
.tbl tfoot td{padding:13px 14px;font-size:12.5px;color:var(--fg);background:rgba(255,255,255,.03);border-top:1px solid var(--line-2);border-bottom:none}
.c-code{width:70px}
.td-code{font-family:var(--mono);font-size:11.5px;color:var(--accent);white-space:nowrap}
.td-name{font-size:13px;color:var(--fg);line-height:1.5;min-width:180px}
.td-spec{display:block;font-family:var(--mono);font-size:10.5px;color:var(--dimmer);margin-top:3px;line-height:1.5}
.c-num{text-align:right;white-space:nowrap;width:88px}
.td-num{text-align:right;font-family:var(--mono);font-size:12.5px;white-space:nowrap}
.td-total{color:var(--fg);font-weight:500}
.c-basis{min-width:230px}
.td-basis{font-size:11.5px;color:var(--dim);line-height:1.65;min-width:230px}
.basis-tag{
  display:inline-block;font-family:var(--mono);font-size:9.5px;padding:1px 5px;border-radius:4px;
  background:rgba(240,179,94,.12);color:var(--amber);border:1px solid rgba(240,179,94,.22);
  margin-right:6px;vertical-align:1px;
}

.src-block{margin-top:clamp(28px,3.4vw,44px)}
.src-block h3{font-size:14px;font-weight:600;margin-bottom:14px}
.src-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:8px}
.src-item{
  display:flex;align-items:center;gap:10px;padding:10px 13px;border-radius:9px;
  border:1px solid var(--line);background:rgba(255,255,255,.016);
  transition:all .18s;font-size:12px;
}
.src-item:hover{border-color:rgba(63,216,192,.35);background:rgba(63,216,192,.05);transform:translateY(-1px)}
.src-id{font-family:var(--mono);font-size:10px;color:var(--accent);padding:1px 5px;border-radius:4px;background:rgba(63,216,192,.1);flex:none}
.src-name{flex:1;min-width:0;color:var(--dim);line-height:1.45}
.src-price{font-family:var(--mono);font-size:10.5px;color:var(--dimmer);flex:none;white-space:nowrap}
.src-foot{font-size:11px;color:var(--dimmer);margin-top:14px;line-height:1.8}

/* ---------------- 05 风险 ---------------- */
.risk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.risk{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;
  padding:18px 20px;border-radius:12px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,23,30,.6),rgba(10,15,20,.6));
  transition:border-color .25s,transform .25s;
}
.risk:hover{transform:translateY(-2px);border-color:var(--line-2)}
.risk-lv{width:3px;border-radius:99px;background:var(--lv)}
.risk-top{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.risk-top b{font-size:13.5px;font-weight:600}
.risk-badge{font-family:var(--mono);font-size:9px;letter-spacing:.08em;padding:1.5px 6px;border-radius:4px;color:var(--lv);background:color-mix(in srgb,var(--lv) 13%,transparent);border:1px solid color-mix(in srgb,var(--lv) 25%,transparent);margin-left:auto;flex:none}
.risk dl{display:grid;grid-template-columns:52px 1fr;gap:5px 10px;font-size:12px}
.risk dt{color:var(--dimmer);font-size:11px;padding-top:1px}
.risk dd{color:var(--dim);line-height:1.7}
.risk dd.hl{color:var(--fg)}

.concl{
  margin-top:22px;padding:clamp(20px,2.6vw,34px);border-radius:var(--r);
  border:1px solid rgba(63,216,192,.2);
  background:
    radial-gradient(120% 140% at 0% 0%,rgba(63,216,192,.10),transparent 55%),
    rgba(255,255,255,.016);
}
.concl h3{font-size:15px;font-weight:600;margin-bottom:12px}
.concl p{font-size:13px;color:var(--dim);line-height:1.85;max-width:96ch}
.concl-key{margin-top:12px;color:var(--fg)!important;padding-left:14px;border-left:2px solid var(--accent)}

/* ---------------- 页脚 ---------------- */
.foot{border-top:1px solid var(--line);padding:34px 0 46px;background:rgba(0,0,0,.24)}
.foot-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:24px}
.foot b{font-size:13.5px;letter-spacing:.01em}
.foot p{font-size:11px;color:var(--dimmer);line-height:1.8;margin-top:6px}
.foot-note p{max-width:62ch}
.foot-note p+p{margin-top:4px}

/* ---------------- 响应式 ---------------- */
@media (max-width:1360px){
  .stage{grid-template-columns:250px minmax(0,1fr) 316px}
}
@media (max-width:1180px){
  .stage{grid-template-columns:minmax(0,1fr);height:auto;gap:10px}
  .viewer-center{order:-1}
  .viewer-center .viewport{height:min(66vh,620px);flex:none}
  .explode-ctl{flex-wrap:wrap}
  .explode-btns{width:100%;justify-content:space-between}
  .explode-btns button{flex:1}
  .rail{max-height:330px}
  .rail-left{order:0}
  .rail-right{order:1}
  .rail-scroll{max-height:250px}
  .stage-head{grid-template-columns:1fr;align-items:start}
  .budget-grid{grid-template-columns:1fr}
  .donut-card{position:static;flex-direction:row;flex-wrap:wrap;justify-content:center}
  .donut{width:180px}
  .donut-legend{width:auto;flex:1;min-width:200px}
  .chain-flow{flex-direction:column}
  .chain-node{display:grid;grid-template-columns:44px 1fr;gap:0 14px;align-items:center;padding:16px}
  .cn-ico{grid-row:1/span 2;margin-bottom:0}
  .chain-node h3{grid-column:2}
  .chain-node p{grid-column:2;margin-top:2px}
  .cn-tag{grid-column:2;justify-self:start;margin-top:8px}
  .chain-link{flex:0 0 30px;padding:0;flex-direction:row;gap:6px}
  .chain-link::before{width:1px;height:14px;background-image:linear-gradient(180deg,rgba(255,255,255,.3) 50%,transparent 0);background-size:1px 7px;margin:0 auto}
  .chain-link i{display:none}
  .chain-link span{display:none}
  .chain-notes{grid-template-columns:1fr}
  .risk-grid{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:760px){
  body{font-size:14px}
  .nav-links{display:none}
  .nav-total{margin-left:auto}
  .expr,.week-row{grid-template-columns:64px minmax(0,1fr) 76px}
  .week-row{grid-template-columns:64px minmax(0,1fr) 74px;gap:10px}
  .wk-track{display:none}
  .sec-head{grid-template-columns:1fr}
  .sec-head .sec-num{grid-row:auto;padding-top:0}
  .sec-head p{grid-column:auto}
  .chips{display:none}
  .viewer-center .viewport{height:min(62vh,540px);min-height:340px}
  .vp-top{gap:6px;padding:10px;flex-wrap:wrap}
  .vp-views,.vp-toggles{gap:5px}
  .vbtn,.tbtn{padding:6px 9px;min-height:34px}
  .door-actions button,.explode-btns button{min-height:38px;padding:6px 8px}
  .door-options button{min-height:32px}
  .control-head{gap:8px}
  .control-head .door-status{max-width:64%}
  .vp-hint{font-size:9px;bottom:9px}
  .vp-views .vbtn:nth-child(n+4){display:none}
  .lbl-body{font-size:10px;padding:2px 7px 2px 6px}
  .lbl-body b{font-size:9px}
  .detail .d-grid{grid-template-columns:1fr}
  .tbl{font-size:12px}
  .c-basis{display:none}
  .td-basis{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}