/* Bunker Tidy Up Guide — bunker supply-room skin (见 DESIGN-BRIEF.md)
   palette: ink #0b0d08 / deep panel #141a10 / olive #506d47 #7d9a5c
            kraft #e9ddc2 border #c8b08a / hazard #fdeb12 / warm white #f4efe2 */
:root{
  --ink:#0b0d08; --panel:#141a10; --panel2:#1b2f20; --olive:#506d47; --olive-hi:#7d9a5c;
  --kraft:#e9ddc2; --kraft-line:#c8b08a; --hazard:#fdeb12; --paper:#f4efe2;
  --muted:#a8ab97; --line:#2c3627; --shadow:#000;
  --disp:"Oswald",system-ui,sans-serif; --body:"Barlow",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font:400 17px/1.65 var(--body);
  -webkit-font-smoothing:antialiased;background-image:
  repeating-linear-gradient(90deg,transparent 0 47px,rgba(255,255,255,.012) 47px 48px)}
img{max-width:100%;display:block}
a{color:var(--hazard);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--hazard);color:#000;padding:8px 14px;z-index:99}
.skip:focus{left:0}
code{background:#0f1309;border:1px solid var(--line);padding:1px 6px;border-radius:4px;font-size:.92em}

/* ---------- hazard tape ---------- */
.hazard-tape,.topbar::after,.hero::before{
  content:"";position:absolute;left:0;right:0;height:8px;
  background:repeating-linear-gradient(-45deg,var(--hazard) 0 14px,#0b0d08 14px 28px)}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(11,13,8,.94);
  backdrop-filter:blur(6px);border-bottom:3px solid var(--olive);padding-top:8px}
.topbar::after{position:absolute;top:0;left:0;right:0;height:8px}
.bar{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--paper);font-family:var(--disp);
  font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:17px}
.brand img{border:2px solid var(--olive);border-radius:8px;box-shadow:3px 3px 0 var(--shadow)}
.brand:hover{text-decoration:none}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}

/* ---------- nav + dropdown (flush panel, no dead zone) ---------- */
.nav{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav>ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center}
.nav li{position:relative}
.nav li>a{display:block;padding:10px 12px;color:var(--paper);font-family:var(--disp);
  font-weight:500;letter-spacing:.06em;text-transform:uppercase;font-size:14px;border:2px solid transparent}
.nav li>a:hover,.nav li.active>a{color:var(--hazard);text-decoration:none}
.nav li.active>a{border-color:var(--olive);background:var(--panel2)}
.nav li.has-kids>a::after{content:"▾";display:inline-block;margin-left:6px;font-size:11px;
  transition:transform .18s ease;vertical-align:1px}
.nav li.has-kids:hover>a::after,.nav li.has-kids:focus-within>a::after{transform:rotate(180deg)}
.nav ul.kids{position:absolute;top:100%;left:0;margin:0;padding:6px;list-style:none;
  min-width:230px;background:var(--panel);border:3px solid var(--olive);
  box-shadow:6px 6px 0 var(--shadow);display:none;z-index:60}
.nav li.has-kids:hover>ul.kids,.nav li.has-kids:focus-within>ul.kids{display:block}
.nav ul.kids li a{display:block;padding:9px 12px;color:var(--paper);font-size:14.5px;
  letter-spacing:.02em;border-left:3px solid transparent;white-space:nowrap}
.nav ul.kids li a:hover{background:var(--panel2);border-left-color:var(--hazard);text-decoration:none;color:var(--hazard)}
.cta{font-family:var(--disp);text-transform:uppercase;letter-spacing:.05em;font-size:13.5px;
  background:var(--hazard);color:#0b0d08;padding:9px 14px;border:2px solid #0b0d08;
  box-shadow:4px 4px 0 var(--olive);white-space:nowrap}
.cta:hover{transform:translate(1px,1px);box-shadow:3px 3px 0 var(--olive);text-decoration:none}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:var(--disp);text-transform:uppercase;letter-spacing:.06em;
  font-size:15px;background:var(--hazard);color:#0b0d08;padding:12px 20px;border:3px solid #0b0d08;
  box-shadow:5px 5px 0 var(--olive);margin:6px 10px 6px 0}
.btn:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--olive);text-decoration:none;color:#000}
.btn.ghost{background:transparent;color:var(--hazard);border-color:var(--hazard);box-shadow:5px 5px 0 rgba(0,0,0,.55)}
.btn.ghost:hover{background:rgba(253,235,18,.12);color:var(--hazard)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:460px;display:flex;align-items:center;overflow:hidden;
  border-bottom:4px solid var(--olive)}
.hero::before{top:0;z-index:2}
.hero{background-image:var(--hero);background-size:cover;background-position:70% 58%;background-repeat:no-repeat}
.hero-in{position:relative;z-index:3;padding:96px 20px 64px;max-width:1060px;margin:0 auto;width:100%}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(11,13,8,.96) 0%,rgba(11,13,8,.86) 34%,rgba(11,13,8,.25) 68%,rgba(11,13,8,.15) 100%)}
.eyebrow{display:inline-block;transform:rotate(-1.5deg);background:var(--hazard);color:#0b0d08;
  font-family:var(--disp);font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:13px;padding:5px 12px;border:2px solid #0b0d08;box-shadow:3px 3px 0 rgba(0,0,0,.6);margin:0 0 18px}
.hero h1{font-family:var(--disp);font-weight:700;text-transform:uppercase;line-height:.98;
  letter-spacing:.01em;font-size:clamp(44px,7vw,84px);margin:0 0 16px;max-width:14ch;
  text-shadow:4px 4px 0 rgba(0,0,0,.75)}
.hero .lead{font-size:19px;color:#d9dcc9;max-width:52ch;margin:0 0 8px}
.hero-cta{margin:22px 0 0}

/* ---------- sections / grids ---------- */
main>div:not(.hero-in){padding-top:34px;padding-bottom:44px}
main h2{font-family:var(--disp);font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  font-size:27px;color:var(--paper);border-bottom:3px solid var(--olive);
  padding-bottom:8px;margin:40px 0 6px;position:relative}
main h2::after{content:"";position:absolute;left:0;bottom:-7px;width:90px;border-bottom:2px dotted var(--olive-hi)}
main h3{font-family:var(--disp);font-weight:500;text-transform:uppercase;letter-spacing:.05em;
  font-size:19px;color:var(--olive-hi);margin:28px 0 10px}
.grid-title,.grid-title.grid-title{font-family:var(--disp);text-transform:uppercase;letter-spacing:.08em;
  font-size:15px;color:var(--hazard);margin:34px 0 14px;display:flex;align-items:center;gap:12px}
.grid-title::before{content:"";width:26px;height:14px;flex:none;
  background:repeating-linear-gradient(-45deg,var(--hazard) 0 5px,#0b0d08 5px 10px);border:1px solid #000}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:8px 0 30px}
.card{background:var(--kraft);color:#23281a;border:3px solid #0b0d08;box-shadow:5px 5px 0 rgba(0,0,0,.6);
  position:relative;transition:transform .15s ease, box-shadow .15s ease;overflow:hidden}
.card:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(0,0,0,.7);text-decoration:none}
.card img{width:100%;height:150px;object-fit:cover;border-bottom:3px solid #0b0d08}
.card-body{padding:14px 16px 16px;position:relative}
.card h3{font-family:var(--disp);font-weight:700;text-transform:uppercase;font-size:18px;
  color:#161a10;margin:0 0 6px;letter-spacing:.02em}
.card p{margin:0 0 10px;font-size:14.5px;line-height:1.5;color:#3c422f}
.card .go{font-family:var(--disp);font-weight:600;text-transform:uppercase;font-size:13px;
  letter-spacing:.08em;color:#7a5d13}
.card .stamp{position:absolute;right:12px;bottom:12px;transform:rotate(-3deg);font-family:var(--disp);
  font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:#6b6a52;border:1.5px solid #a89a76;
  padding:2px 6px;border-radius:2px}
.card::after{content:"";position:absolute;top:10px;right:10px;width:34px;height:16px;transform:rotate(3deg);
  background:repeating-linear-gradient(-45deg,var(--hazard) 0 6px,#191b12 6px 12px);
  border:1.5px solid #000;opacity:.92}

/* ---------- article ---------- */
article{background:var(--panel);border:3px solid var(--line);box-shadow:6px 6px 0 rgba(0,0,0,.5);
  padding:30px 34px 36px;margin:34px 0 46px}
article h1{font-family:var(--disp);font-weight:700;text-transform:uppercase;line-height:1.05;
  font-size:clamp(30px,4.4vw,44px);margin:0 0 18px;letter-spacing:.01em;
  border-left:8px solid var(--hazard);padding-left:16px}
article p,article li{color:#d7dac8}
article li{margin:5px 0}
article strong{color:var(--hazard);font-weight:600}
article hr{border:0;border-top:3px double var(--olive);margin:26px 0}
blockquote{margin:18px 0;padding:12px 18px;border-left:5px solid var(--olive-hi);
  background:var(--panel2);color:#c9cdbc;font-style:italic}
article img.zoom{border:3px solid #0b0d08;box-shadow:5px 5px 0 rgba(0,0,0,.55);cursor:zoom-in;
  margin:14px 0;transition:max-width .15s ease}
article img.zoom.open{cursor:zoom-out}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;margin:16px 0;border:3px solid #0b0d08;box-shadow:4px 4px 0 rgba(0,0,0,.5)}
table{border-collapse:collapse;width:100%;min-width:480px;background:var(--kraft);color:#23281a;font-size:15.5px}
th{background:var(--olive);color:var(--paper);font-family:var(--disp);text-transform:uppercase;
  letter-spacing:.05em;font-size:13.5px;padding:9px 12px;text-align:left;border-right:2px solid #0b0d08}
th:last-child{border-right:0}
td{padding:8px 12px;border-top:2px solid var(--kraft-line);border-right:2px solid var(--kraft-line);
  vertical-align:top}
td:last-child{border-right:0}
tbody tr:nth-child(even) td{background:rgba(80,109,71,.08)}

/* ---------- callouts ---------- */
.callout{margin:18px 0;padding:14px 18px 14px 20px;background:#12160d;
  border:2px solid var(--line);border-left:7px solid var(--hazard);box-shadow:4px 4px 0 rgba(0,0,0,.45)}
.callout.note{border-left-color:var(--olive-hi)}
.callout.warn,.callout.warning{border-left-color:#e86a2b}
.callout p{margin:6px 0;font-size:15.5px}
.callout p:first-child{margin-top:0}
ul,ol{padding-left:24px}
li::marker{color:var(--olive-hi)}

/* ---------- footer ---------- */
.foot{border-top:4px solid var(--olive);background:#080a05;padding:26px 0 34px;margin-top:20px}
.foot .disclaimer{color:#8f927f;font-size:13.5px;max-width:78ch;margin:0 0 12px;line-height:1.6}
.foot-links{margin:0 0 8px;font-family:var(--disp);letter-spacing:.06em;text-transform:uppercase;font-size:13px}
.foot-links a{color:var(--olive-hi)}
.foot .muted{color:#6c6f5e;font-size:12.5px;margin:0;letter-spacing:.04em}

/* ---------- 404 ---------- */
h1:not(.hero h1){font-family:var(--disp)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .bar{min-height:56px;gap:10px}
  .nav{width:100%;order:3;margin-left:0}
  .nav>ul{flex-wrap:wrap;gap:2px}
  .nav li.has-kids>ul.kids{position:static;display:block;background:transparent;border:0;
    box-shadow:none;padding:0 0 4px 10px;min-width:0}
  .nav li.has-kids>a::after{transform:none}
  .hero{background-position:62% 55%!important;min-height:400px}
  .hero-in{padding:74px 20px 46px}
  article{padding:22px 18px 26px;border-left:0;border-right:0;box-shadow:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .grid{grid-template-columns:1fr}
  .hero h1{font-size:40px}
  .brand span{max-width:52vw}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}