:root{
  --ink:#333C35;--muted:#6C675D;--tan:#D7BE9B;--tan-d:#8F6234;--tan-l:#F4ECDF;--paper:#FFFDF9;--line:#E3D8C6;
  --green:#9AB767;--green-d:#4F6F27;--green-l:#E8F0D8;--yellow:#EBB742;--yellow-l:#FBEFCB;--blue:#5CCDFF;--blue-d:#1F6F99;--blue-l:#DDF1FA;
  --warn:#A64E14;--warn-l:#FBE3C8;--white:#fff;--r:10px;--shadow:0 1px 2px rgba(60,50,30,.06),0 4px 14px rgba(60,50,30,.06);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","WenQuanYi Micro Hei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 var(--font);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-d);text-underline-offset:2px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #1F6F99;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em}
h1{font-size:clamp(28px,5vw,46px);letter-spacing:.02em}
h2{font-size:clamp(22px,3.2vw,30px)}
h3{font-size:19px;margin-top:1.9em}
h4{font-size:16px;margin-top:1.2em}
.h-sm{font-size:18px;margin:34px 0 14px;color:var(--tan-d)}
p{margin:.5em 0}
.muted{color:var(--muted)}
.eyebrow{color:var(--tan-d);font-weight:700;font-size:13px;letter-spacing:.08em;margin:0 0 6px}
.sub{color:var(--muted);max-width:60em}
.note{color:var(--muted);font-size:14px}
.fine{color:var(--muted);font-size:13px}

/* top bar */
.top{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--line)}
.top-in{max-width:1180px;margin:0 auto;padding:8px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;white-space:nowrap}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:11px;line-height:1.2}
.glyphs{display:inline-flex;gap:2px;align-items:center}
.glyph{display:inline-block;width:16px;height:16px}
.glyph.tri{background:var(--green);clip-path:polygon(50% 0,100% 90%,0 90%)}
.glyph.dia{background:var(--yellow);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.glyph.cir{background:var(--blue);border-radius:50%}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;margin-left:auto;-webkit-overflow-scrolling:touch}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:8px 11px;border-radius:7px;text-decoration:none;color:var(--ink);font-size:14.5px;white-space:nowrap}
.nav a:hover{background:var(--tan-l)}
.nav a.on{background:var(--tan-l);color:var(--tan-d);font-weight:700}
.nav a.dl{background:var(--tan-d);color:#fff;font-weight:700}

/* chips */
.chip{display:inline-block;font-size:12px;font-weight:700;line-height:1;padding:4px 7px;border-radius:4px;vertical-align:1px;white-space:nowrap}
.c-orig{background:var(--tan-l);color:var(--tan-d)}
.c-sug{background:var(--green-l);color:var(--green-d)}
.c-ok{background:var(--blue-l);color:var(--blue-d)}
.c-tbc{background:var(--warn-l);color:var(--warn)}
.c-tbd{background:var(--warn-l);color:var(--warn);box-shadow:inset 0 0 0 1px var(--warn)}
.c-new{background:var(--ink);color:#fff}
.c-mod{background:var(--yellow-l);color:#7A5A12}

/* hero */
.hero{padding:44px 0 20px;background:linear-gradient(180deg,#FBF4E8 0%,var(--paper) 100%)}
.hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.lead{font-size:18px;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}
.btn{display:inline-block;background:var(--tan-d);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:9px;box-shadow:var(--shadow)}
.btn:hover{background:#7b5228}
.btn.ghost{background:transparent;color:var(--tan-d);border:1.5px solid var(--tan-d);box-shadow:none}
.legend{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:8px 0 0;font-size:13.5px;color:var(--muted)}
.hero-fig{margin:0}
.hero-fig img{border-radius:var(--r);box-shadow:var(--shadow);max-height:440px;width:100%;object-fit:cover}
figcaption{font-size:12.5px;color:var(--muted);margin-top:6px}

/* chain */
.chain{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:10px;counter-reset:s}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:12px 12px 14px;position:relative;font-size:14px;line-height:1.55}
.step.is-new{background:var(--green-l);border-color:var(--green)}
.step h3{margin:6px 0 4px;font-size:16px}
.step .n{position:absolute;top:-10px;left:10px;width:24px;height:24px;border-radius:50%;background:var(--tan-d);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center}
.step.is-new .n{background:var(--green-d)}
.step p{margin:.35em 0}
.step .src{font-size:12.5px;color:var(--muted)}
.step .add{color:var(--green-d)}

/* sections */
.hero-in>*,.claim>*,.cols2>*,.plan-wrap>*,.dl-box>*,.grid3>*{min-width:0}
.sec{padding:56px 0}
.sec.alt{background:#FAF5EB}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.judge header{display:flex;justify-content:space-between;align-items:baseline}
.judge .tag{color:var(--tan-d);font-weight:700}
.judge p{font-size:15px}
.warn{color:var(--warn)}
.strip{margin:18px 0 0}
.strip img{width:100%;max-height:200px;object-fit:cover;border-radius:var(--r)}

/* claim */
.claim{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;margin-top:20px;align-items:start}
.disc{width:150px;height:150px;border-radius:50%;background:var(--tan);color:#fff;font-size:76px;font-weight:700;display:grid;place-items:center;margin:0 auto 14px}
.eq{text-align:center;font-size:22px;color:var(--tan-d);font-weight:700;letter-spacing:.1em}
.rongs{display:grid;gap:12px}
.rong{display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:start}
.rong .glyph{width:44px;height:44px;margin:6px 0 0 6px;background:var(--c,var(--green))}
.rong .glyph.cir{background:var(--c,var(--blue))}
.rong h3{margin:0 0 4px;font-size:18px}.rong h3 small{color:var(--tan-d);font-size:14px;margin-left:6px}
.rong p{margin:.3em 0;font-size:14.5px}.rong b{color:var(--tan-d);margin-right:8px;font-size:12.5px}
.rong .map{display:flex;align-items:center;gap:8px;font-size:13.5px}
.swatch{display:inline-block;width:18px;height:14px;border-radius:2px;background:var(--c)}
.toggle-box{margin-top:26px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.toggle-box h3{margin-top:0}
.seg{display:inline-flex;border:1.5px solid var(--tan-d);border-radius:9px;overflow:hidden;margin:6px 0 10px}
.seg button{border:0;background:#fff;color:var(--tan-d);padding:8px 16px;font:inherit;font-size:14.5px;cursor:pointer}
.seg button.on{background:var(--tan-d);color:#fff;font-weight:700}
.colorbar{display:flex;border-radius:7px;overflow:hidden;font-size:12.5px;line-height:1.3;margin:8px 0}
.colorbar span{padding:9px 8px;min-width:0;overflow:hidden;overflow-wrap:anywhere}

/* tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0 8px;border-bottom:2px solid var(--line)}
.tabs button{border:0;background:transparent;font:inherit;font-size:15.5px;padding:11px 16px;cursor:pointer;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs button[aria-selected="true"]{color:var(--tan-d);font-weight:700;border-color:var(--tan-d)}
.panel{padding-top:6px}
.quote .big{font-size:19px;font-weight:700;color:var(--ink);line-height:1.6}
.motif img{max-height:150px;width:auto;margin:auto}
.options{display:grid;gap:10px}
.option{text-align:left;font:inherit;background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer;display:grid;gap:4px}
.option b{font-size:16px}.option span:last-child{color:var(--muted);font-size:14px}
.option.is-rec{border-color:var(--green)}
.option[aria-pressed="true"]{box-shadow:0 0 0 3px var(--yellow);background:var(--yellow-l)}
.reasons{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.reasons li{display:grid;grid-template-columns:5.5em 1fr;gap:10px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:14.5px}
.reasons b{color:var(--tan-d)}

/* tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;margin:12px 0;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.55}
th,td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--tan-d);color:#fff;font-weight:700;white-space:nowrap;position:sticky;top:0}
tbody tr:nth-child(even){background:#FBF7EF}
tbody th{font-weight:700;background:inherit}
.needs td.gap{background:var(--warn-l);color:#4b2a0c}
.needs tr.dim{opacity:.28}
.needs{min-width:760px}.compare{min-width:640px}.sources{min-width:820px}.claims{min-width:640px}
.sources td:nth-child(3){min-width:260px}

/* gallery */
.gal-h{margin-top:2.4em}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0}
.filters .sep{width:1px;height:22px;background:var(--line);margin:0 4px}
.fchip{font:inherit;font-size:14px;border:1.5px solid var(--line);background:#fff;color:var(--ink);padding:6px 13px;border-radius:999px;cursor:pointer}
.fchip[aria-pressed="true"]{background:var(--tan-d);border-color:var(--tan-d);color:#fff;font-weight:700}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:12px}
.plate{border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:0;overflow:hidden;cursor:zoom-in;text-align:left;font:inherit;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.plate img{width:100%;aspect-ratio:16/10;object-fit:contain;background:#F6F1E7}
.plate .cap{padding:8px 11px 11px;display:grid;gap:2px}
.plate .cap b{font-size:14.5px;line-height:1.4}
.plate .cap i{font-style:normal;font-size:12.5px;color:var(--muted)}
.plate[hidden]{display:none}

/* plan */
.plan-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;margin-top:18px;align-items:start}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.plan img{width:100%}
.pin{position:absolute;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;border:2px solid #fff;background:var(--ink);color:#fff;font:700 17px var(--font);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.3)}
.pin[aria-pressed="true"],.pin.on{background:var(--tan-d);transform:translate(-50%,-50%) scale(1.15);box-shadow:0 0 0 4px rgba(235,183,66,.6)}
.zinfo{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;min-height:200px}
.zinfo h3{margin:0 0 6px;font-size:18px}.zinfo p{font-size:14.5px;margin:.4em 0}.zinfo b{color:var(--tan-d)}
.zbtns{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.zbtn{font:inherit;font-size:14px;border:1.5px solid var(--line);background:#fff;border-radius:9px;padding:8px 12px;cursor:pointer}
.zbtn[aria-pressed="true"]{border-color:var(--tan-d);background:var(--tan-l);font-weight:700}
.note-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;margin-top:12px;font-size:14.5px}
.note-box ul{margin:.4em 0 0;padding-left:1.2em}
.zinfo .links a{margin-right:10px;font-size:14px}

/* levels */
.levels,.rules,.steps{padding-left:0;list-style:none;margin:10px 0;display:grid;gap:8px;counter-reset:n}
.levels li{display:grid;grid-template-columns:7.5em 1fr;gap:4px 12px;background:#fff;border-radius:8px;padding:10px 12px;border-left:6px solid var(--tan-d);font-size:14.5px}
.levels li em{grid-column:2;font-style:normal;color:var(--tan-d);font-weight:700;font-size:13px}
.levels .lv1{border-color:#B48A57}.levels .lv2{border-color:#C9A87A}.levels .lv3{border-color:#DDBF98}.levels .lv4{border-color:#E8D4B8}
.rules li,.steps li{counter-increment:n;position:relative;padding:8px 12px 8px 40px;background:#fff;border:1px solid var(--line);border-radius:8px;font-size:14.5px}
.rules li::before,.steps li::before{content:counter(n);position:absolute;left:10px;top:8px;width:22px;height:22px;border-radius:50%;background:var(--tan-d);color:#fff;font-size:12.5px;font-weight:700;display:grid;place-items:center}

/* checklist */
.cklist{list-style:none;margin:8px 0;padding:0;display:grid;gap:8px}
.ck{background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px 14px}
.ck label{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.ck input{width:22px;height:22px;margin-top:3px;accent-color:var(--tan-d);flex:none}
.ck-main b{margin-right:10px}.ck-main{font-size:15px}
.ck-meta{display:block;margin:4px 0 0 34px;font-size:13px;color:var(--muted)}
.ck-meta em{font-style:normal}
.ck.done{background:#F3F7EA;border-color:var(--green)}
.ck[hidden]{display:none}
.linkbtn{background:none;border:0;color:var(--blue-d);text-decoration:underline;font:inherit;cursor:pointer;padding:0}

/* roadmap */
.stages{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:12px 0}
.stage{font:inherit;border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:10px;cursor:pointer;text-align:left;display:grid;gap:2px;min-height:64px}
.stage b{color:var(--tan-d)}.stage span{font-size:14px;line-height:1.35}
.stage[aria-pressed="true"]{background:var(--tan-d);border-color:var(--tan-d);color:#fff}.stage[aria-pressed="true"] b{color:#fff}
.stage-info{background:#fff;border:1px solid var(--line);border-left:6px solid var(--tan-d);border-radius:var(--r);padding:14px 18px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;font-size:14.5px}
.stage-info h4{margin:0 0 4px;color:var(--tan-d);font-size:13px}
.stage-info p{margin:0}
.raci th,.raci td{text-align:center;white-space:normal}
.raci tbody th{text-align:left;min-width:12em}
.raci{min-width:720px}
.rolebtn{font:inherit;background:transparent;border:0;color:#fff;font-weight:700;cursor:pointer;padding:0;text-decoration:underline dotted}
.rc{font-weight:700;color:var(--muted)}
.rc-R{background:var(--green-l)!important;color:var(--green-d)}.rc-A{background:var(--tan-l)!important;color:var(--tan-d)}
.raci .hl{outline:2px solid var(--yellow);outline-offset:-2px}
.raci thead th.hl{background:#6d4a22}

.dl-box{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.hash code{word-break:break-all;font-size:12.5px;background:#fff;padding:2px 6px;border-radius:4px;border:1px solid var(--line)}
.foot{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:13.5px}
.foot .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(24,22,18,.94);z-index:200;display:grid;grid-template-rows:auto 1fr auto;color:#fff}
.lb[hidden]{display:none}
.lb-bar{position:relative;z-index:6;display:flex;justify-content:space-between;align-items:center;padding:10px 14px;font-size:14px}
.lb-bar button{background:#3b3830;color:#fff;border:1px solid #6b665a;border-radius:7px;padding:8px 12px;font:inherit;cursor:pointer;margin-left:8px}
.lb-stage{overflow:auto;display:grid;place-items:center;padding:8px 54px;-webkit-overflow-scrolling:touch}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;background:#fff;border-radius:4px}
.lb-stage.full img{max-width:none;max-height:none;width:auto}
.lb-stage.full{place-items:start center}
.lb-nav{position:absolute;z-index:5;top:50%;transform:translateY(-50%);background:rgba(59,56,48,.9);color:#fff;border:1px solid #6b665a;width:44px;height:64px;font-size:30px;cursor:pointer;border-radius:8px}
.lb-nav.prev{left:6px}.lb-nav.next{right:6px}
.lb-cap{padding:10px 18px 16px;background:#1d1b17;font-size:14px;max-height:34vh;overflow:auto}
.lb-cap p{margin:.3em 0 0;color:#e3dccb}
#lb-meta{color:#cbbfa6;margin-left:8px;font-size:13px}

@media (max-width:980px){
  .chain{grid-template-columns:repeat(2,1fr)}
  .hero-in,.claim,.cols2,.plan-wrap,.dl-box{grid-template-columns:minmax(0,1fr)}
  .grid3{grid-template-columns:minmax(0,1fr)}
  .stages{grid-template-columns:repeat(3,1fr)}
  .stage-info{grid-template-columns:1fr 1fr}
  .brand small{display:none}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .wrap{padding:0 14px}.sec{padding:40px 0}
  .top-in{padding:6px 10px;gap:8px}
  .brand span:last-child{font-size:14px}
  .chain{grid-template-columns:minmax(0,1fr)}
  .colorbar span{white-space:normal;font-size:11px;padding:6px 4px;overflow-wrap:anywhere}
  .stages{grid-template-columns:repeat(2,1fr)}
  .stage-info{grid-template-columns:1fr}
  .reasons li{grid-template-columns:1fr}
  .levels li{grid-template-columns:1fr}.levels li em{grid-column:1}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}
  .plate .cap b{font-size:13px}
  .lb-stage{padding:6px 6px}.lb-nav{width:38px;height:54px;opacity:.9}
  .disc{width:110px;height:110px;font-size:56px}
  .hero-fig img{max-height:230px}
  .pin{width:34px;height:34px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media print{.top,.lb,.btn,.filters{display:none!important}.sec{padding:20px 0}}