/* roulang page: index */
:root{
  --paper:#FAF9F6; --card:#FFFFFF;
  --ink:#16171B; --ink-2:#3A3D45; --muted:#6E7278;
  --line:#E3E2DC; --line-strong:#C9C8C1;
  --accent:#C9F24D; --accent-ink:#10110F; --alert:#E2603F;
  --hover:#F3F2ED; --zebra:#F7F6F2; --skeleton:#F0EFEA;
  --sans:-apple-system,"PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r-card:10px; --r-btn:8px; --r-tag:4px;
  --sh:0 1px 2px rgba(22,23,27,.04);
  --sh-h:0 10px 28px rgba(22,23,27,.08);
  --ez:cubic-bezier(.22,1,.36,1);
  --sidebar:240px;
  --pad-sec:clamp(72px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit;background:none;border:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mn{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.main{margin-left:var(--sidebar)}
.sec{padding:var(--pad-sec) 0;border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:44px}
.sec-num{font-family:var(--mono);font-size:13px;line-height:1;letter-spacing:.06em;background:var(--accent);color:var(--accent-ink);padding:5px 9px;border-radius:var(--r-tag);font-weight:600}
.sec-bar{width:1px;height:22px;background:var(--line-strong);flex:none}
.sec-head h2{font-size:clamp(1.6rem,2.8vw,2.5rem);line-height:1.15;font-weight:800;letter-spacing:-.01em}
.sec-lead{max-width:64ch;color:var(--ink-2);font-size:16.5px;margin:-22px 0 44px;line-height:1.8}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ez),transform .48s var(--ez)}
.reveal.in{opacity:1;transform:none}
.skip{position:absolute;left:-9999px}

/* ============ sidebar ============ */
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);height:100vh;background:var(--paper);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:26px 0 18px;overflow-y:auto;z-index:60}
.brand{display:flex;align-items:center;gap:10px;padding:0 20px 24px;color:var(--ink)}
.brand svg{flex:none;color:var(--ink)}
.brand-name{font-weight:800;font-size:1.24rem;letter-spacing:-.01em}
.nav-group-title{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;padding:6px 20px 8px}
.nav-link{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 20px;font-size:15px;color:var(--ink-2);transition:background .18s var(--ez),color .18s var(--ez)}
.nav-link:hover{background:var(--hover);color:var(--ink)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{content:"";position:absolute;right:0;top:0;bottom:0;width:3px;background:var(--accent);transform:translateX(3px);animation:bar .18s var(--ez) forwards}
@keyframes bar{to{transform:translateX(0)}}
.nav-link svg{flex:none;width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.nav-link .label{white-space:nowrap}
.nav-sep{height:1px;background:var(--line);margin:16px 20px}
.side-foot{margin-top:auto;padding:16px 20px 0;border-top:1px solid var(--line)}
.side-foot .nav-link{padding:0;height:40px}
.side-note{font-family:var(--mono);font-size:11.5px;color:var(--muted);line-height:1.7;margin-top:8px;letter-spacing:.02em}

/* ============ topbar + drawer ============ */
.topbar{display:none;position:sticky;top:0;z-index:70;height:64px;align-items:center;justify-content:space-between;padding:0 20px;background:rgba(250,249,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .brand{padding:0;gap:8px}
.hamb{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;transition:background .18s var(--ez),border-color .18s var(--ez)}
.hamb:hover{background:var(--hover);border-color:var(--line-strong)}
.hamb span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative}
.hamb span::before,.hamb span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink)}
.hamb span::before{top:-6px}.hamb span::after{top:6px}
.overlay{position:fixed;inset:0;background:rgba(22,23,27,.45);opacity:0;visibility:hidden;transition:opacity .24s var(--ez);z-index:80}
.overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(360px,86vw);background:var(--paper);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s var(--ez);z-index:90;display:flex;flex-direction:column;padding:18px 0;overflow-y:auto}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 14px;border-bottom:1px solid var(--line);margin-bottom:10px}
.drawer .nav-link{height:52px}
.drawer .side-note{padding:0 20px}
.close-x{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;font-family:var(--mono);font-size:18px;line-height:1}
.close-x:hover{background:var(--hover)}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:clamp(56px,7vw,96px) 0 clamp(48px,6vw,80px);border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;left:-14%;top:6%;width:78%;height:84%;background:var(--accent);opacity:.34;transform:skewX(-9deg);z-index:0;pointer-events:none}
.hero::after{content:"";position:absolute;right:-6%;top:-30%;width:44%;height:150%;background:transparent;border-left:1px solid var(--line);transform:skewX(-9deg);z-index:0;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--ink-2);border:1px solid var(--line-strong);background:var(--card);padding:5px 12px;border-radius:var(--r-tag);margin-bottom:22px}
.eyebrow b{color:var(--ink);font-weight:600}
h1{font-size:clamp(2.5rem,5.6vw,5.25rem);line-height:1.06;font-weight:800;letter-spacing:-.02em}
h1 mark{background:var(--accent);color:var(--accent-ink);padding:0 .08em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hero-sub{margin-top:20px;font-size:1.1rem;color:var(--ink-2);max-width:30ch;line-height:1.7}
.hero-lead{margin-top:22px;max-width:40ch;color:var(--ink-2);font-size:16px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--r-btn);font-weight:600;font-size:15.5px;border:1px solid transparent;cursor:pointer;transition:background .2s var(--ez),color .2s var(--ez),border-color .2s var(--ez),transform .2s var(--ez)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}
.btn-primary:active{background:var(--ink);color:var(--paper);transform:none}
.btn-ghost{border-color:var(--line-strong);background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn:disabled{background:var(--line-strong);color:var(--muted);cursor:not-allowed}
.tlink{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15.5px;position:relative;padding-bottom:2px}
.tlink::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--line-strong);transition:height .2s var(--ez),background .2s var(--ez)}
.tlink:hover::after{height:2px;background:var(--accent)}
.tlink .arw{transition:transform .2s var(--ez)}
.tlink:hover .arw{transform:translateX(4px)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:var(--skeleton)}
.figcap{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-top:10px;letter-spacing:.02em}
.hero-band{margin-top:56px;padding-top:24px;border-top:1px solid var(--line-strong);display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hero-band div{padding-right:16px}
.hero-band .mn{font-size:1.55rem;font-weight:600;letter-spacing:-.01em;display:block}
.hero-band small{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ============ generic grids & cards ============ */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh);transition:border-color .2s var(--ez),transform .2s var(--ez),box-shadow .2s var(--ez)}
.card::before{content:"";position:absolute;left:-1px;top:-1px;width:12px;height:12px;background:var(--accent);border-radius:10px 0 0 0;opacity:0;transition:opacity .2s var(--ez)}
.card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-h)}
.card:hover::before{opacity:1}
.card .idx{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.card h3{font-size:1.19rem;font-weight:700;margin:10px 0 10px;letter-spacing:-.01em}
.card p{color:var(--ink-2);font-size:15px;line-height:1.8}
.card .card-link{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;border-bottom:1px solid var(--line-strong);transition:border-color .2s var(--ez),color .2s var(--ez)}
.card .card-link:hover{border-color:var(--ink)}
.matrix>*:nth-child(n+4){margin-top:24px}
.chip{display:inline-flex;align-items:center;height:24px;padding:0 9px;font-family:var(--mono);font-size:12px;border:1px solid var(--line);border-radius:var(--r-tag);color:var(--ink-2);background:var(--card)}
.chip.accent{border-color:var(--accent);background:rgba(201,242,77,.22);color:var(--accent-ink)}
.chip.alert{border-color:var(--alert);color:var(--alert);background:rgba(226,96,63,.07)}
.thumb{border-radius:8px;overflow:hidden;background:var(--skeleton);border:1px solid var(--line);position:relative}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ez)}
.ratio-3-2{aspect-ratio:3/2}
.ratio-16-10{aspect-ratio:16/10}
.ratio-4-3{aspect-ratio:4/3}
.ratio-16-9{aspect-ratio:16/9}

/* ============ scene wall ============ */
.scene-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:border-color .2s var(--ez),transform .2s var(--ez),box-shadow .2s var(--ez)}
.scene-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-h)}
.scene-card:hover .thumb img{transform:scale(1.03)}
.scene-card .sb{padding:18px 20px 20px}
.scene-card h3{font-size:1.06rem;font-weight:700;margin-bottom:6px}
.scene-card p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ============ stats ============ */
.stats{background:rgba(201,242,77,.18);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(52px,6vw,84px) 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border-top:1px solid var(--line-strong);padding-top:20px}
.stat .sn{font-family:var(--mono);font-size:clamp(2.5rem,4vw,3.5rem);font-weight:600;letter-spacing:-.02em;line-height:1.05;display:block}
.stat small{display:block;font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.7}

/* ============ flow ============ */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow::before{content:"";position:absolute;left:0;right:0;top:5px;height:1px;background:var(--line-strong)}
.flow-step{position:relative;padding-top:34px}
.flow-step::before{content:"";position:absolute;top:1px;left:0;width:10px;height:10px;border-radius:50%;background:var(--accent);border:1px solid var(--ink)}
.flow-step .fi{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.flow-step h3{font-size:1.06rem;font-weight:700;margin:8px 0 8px}
.flow-step p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ============ resource list ============ */
.res-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid var(--line)}
.res-row{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px;height:60px;border-bottom:1px solid var(--line);transition:background .18s var(--ez);padding:0 8px}
.res-row:hover{background:var(--hover)}
.res-row .ri{font-family:var(--mono);font-size:12.5px;color:var(--muted);transition:color .18s var(--ez)}
.res-row:hover .ri{color:var(--ink)}
.res-row .rt{font-size:15px}
.res-row .tag{font-family:var(--mono);font-size:11.5px;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-tag);padding:2px 7px;white-space:nowrap}
.res-row .go{opacity:0;transform:translateX(-4px);transition:opacity .2s var(--ez),transform .2s var(--ez);font-family:var(--mono);color:var(--ink)}
.res-row:hover .go{opacity:1;transform:none}

/* ============ changelog ============ */
.timeline{position:relative;padding-left:30px;border-left:1px solid var(--line)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-35px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--paper);border:1px solid var(--ink)}
.tl-item .date{font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.tl-item h3{font-size:1.03rem;font-weight:700;margin:6px 0 4px}
.tl-item p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ============ table ============ */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:660px}
thead th{background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:12.5px;font-weight:500;text-align:left;height:56px;padding:0 20px;letter-spacing:.03em}
tbody td{height:56px;padding:0 20px;font-size:15px;border-bottom:1px solid var(--line);color:var(--ink-2)}
tbody tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:var(--zebra)}
tbody td:first-child{color:var(--ink);font-weight:600;background:var(--card)}
tbody tr:nth-child(even) td:first-child{background:var(--zebra)}
.mark-yes{font-family:var(--mono);color:var(--ink);font-weight:600}
.mark-no{font-family:var(--mono);color:var(--muted)}

/* ============ cases ============ */
.case-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:border-color .2s var(--ez),transform .2s var(--ez),box-shadow .2s var(--ez)}
.case-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-h)}
.case-card:hover .thumb img{transform:scale(1.03)}
.case-card .cb{padding:18px 20px 20px}
.case-card h3{font-size:1.04rem;font-weight:700;margin-bottom:8px}
.case-card p{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.case-card .cf{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}

/* ============ troubles ============ */
.tr-list{border-top:1px dashed var(--line-strong)}
.tr-row{display:grid;grid-template-columns:120px 1fr 1.1fr;gap:20px;align-items:center;padding:20px 8px;border-bottom:1px dashed var(--line-strong)}
.tr-row .code{font-family:var(--mono);font-size:13px;color:var(--alert);letter-spacing:.04em}
.tr-row .q{font-size:15.5px;font-weight:600}
.tr-row .a{font-size:14.5px;color:var(--ink-2)}

/* ============ news ============ */
.news-item{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);transition:border-color .2s var(--ez),transform .2s var(--ez),box-shadow .2s var(--ez)}
.news-item:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-h)}
.news-item:hover .thumb img{transform:scale(1.03)}
.news-item h3{font-size:1.06rem;font-weight:700;margin-bottom:8px}
.news-item p{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:12px}
.news-meta time{font-family:var(--mono);font-size:12px;color:var(--muted)}
.more-link{margin-top:32px;display:inline-flex;align-items:center;gap:8px;font-weight:600}

/* ============ word cloud ============ */
.cloud{display:flex;flex-wrap:wrap;gap:12px}
.word{font-family:var(--mono);border:1px solid var(--line);border-radius:var(--r-tag);padding:7px 13px;color:var(--ink-2);background:var(--card);transition:background .18s var(--ez),color .18s var(--ez),border-color .18s var(--ez)}
.word:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.w13{font-size:13px}.w15{font-size:15px}.w17{font-size:17px}

/* ============ partners ============ */
.partners{display:flex;flex-wrap:wrap;gap:16px 48px;align-items:center;padding:8px 0}
.partner{font-family:var(--mono);font-size:14.5px;color:var(--ink);opacity:.6;letter-spacing:.02em;transition:opacity .2s var(--ez)}
.partner:hover{opacity:1}

/* ============ faq ============ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;cursor:pointer;font-size:15px;font-weight:600;padding:0 4px;transition:color .2s var(--ez)}
.faq-q:hover{color:var(--ink-2)}
.faq-plus{flex:none;width:20px;height:20px;position:relative;transition:transform .24s var(--ez)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--ink);left:50%;top:50%}
.faq-plus::before{width:14px;height:1.5px;transform:translate(-50%,-50%)}
.faq-plus::after{width:1.5px;height:14px;transform:translate(-50%,-50%)}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .24s var(--ez),opacity .24s var(--ez)}
.faq-item.open .faq-a{opacity:1}
.faq-a div{padding:0 4px 22px;max-width:62ch;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ============ guard band ============ */
.guard{background:var(--ink);color:var(--paper);padding:26px 0}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard-item{display:flex;align-items:center;gap:12px;font-size:14.5px}
.guard-item svg{flex:none;width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.5}

/* ============ contact ============ */
.contact{background:var(--ink);color:var(--paper);padding:var(--pad-sec) 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact h2{font-size:clamp(1.6rem,2.8vw,2.5rem);line-height:1.15;font-weight:800;color:var(--paper);margin-bottom:20px}
.contact p{color:rgba(250,249,246,.72);font-size:15.5px;line-height:1.85;max-width:40ch}
.contact-info{margin-top:28px;font-family:var(--mono);font-size:13.5px;line-height:2;color:rgba(250,249,246,.8)}
.contact-info b{color:var(--accent);font-weight:500}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13.5px;color:rgba(250,249,246,.72);margin-bottom:8px}
.form-row input,.form-row textarea{width:100%;height:48px;background:transparent;border:1px solid rgba(250,249,246,.28);border-radius:var(--r-btn);padding:0 14px;font-size:15px;color:var(--paper);transition:border-color .2s var(--ez),box-shadow .2s var(--ez)}
.form-row textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-row input::placeholder,.form-row textarea::placeholder{color:rgba(250,249,246,.42)}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,242,77,.28)}
.form-row.error input,.form-row.error textarea{border-color:var(--alert)}
.form-msg{font-size:13px;color:var(--alert);margin-top:6px;display:none}
.form-row.error .form-msg{display:block}
.form-ok{display:none;margin-top:14px;font-size:14px;color:var(--accent)}
.form-ok.show{display:block}

/* ============ footer ============ */
.footer{background:var(--ink);color:var(--paper);padding:64px 0 28px;border-top:1px solid rgba(250,249,246,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer h4{font-size:13px;color:var(--muted);font-weight:500;margin-bottom:16px;letter-spacing:.04em}
.footer li{margin-bottom:10px}
.footer li a,.footer .flink{font-size:14px;color:var(--paper);opacity:.85;transition:opacity .18s var(--ez),color .18s var(--ez)}
.footer li a:hover,.footer .flink:hover{opacity:1;color:var(--accent)}
.footer .brand{padding:0 0 14px;color:var(--paper)}
.footer .brand-name{color:var(--paper)}
.footer .fdesc{font-size:14px;color:rgba(250,249,246,.66);line-height:1.8;max-width:34ch}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(250,249,246,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-family:var(--mono);font-size:12px;color:rgba(250,249,246,.6);letter-spacing:.02em}

/* ============ responsive ============ */
@media (min-width:1280px){
  .container{max-width:1280px}
}
@media (max-width:1439px){
  .container{max-width:1140px}
}
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar:84px}
  .sidebar{overflow:visible;padding-top:22px;align-items:stretch}
  .brand{justify-content:center;padding:0 0 22px}
  .brand-name{display:none}
  .nav-group-title{display:none}
  .nav-link{justify-content:center;padding:0}
  .nav-link .label{position:absolute;left:calc(100% + 10px);top:50%;transform:translate(-6px,-50%);background:var(--ink);color:var(--paper);font-size:13px;padding:6px 10px;border-radius:6px;opacity:0;visibility:hidden;transition:opacity .18s var(--ez),transform .18s var(--ez);white-space:nowrap;z-index:80;font-weight:500}
  .nav-link:hover .label{opacity:1;visibility:visible;transform:translate(0,-50%)}
  .side-foot{padding:16px 0 0;text-align:center}
  .side-foot .nav-link{height:44px}
  .side-note{display:none}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .news-item{grid-template-columns:180px 1fr}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .main{margin-left:0}
  .topbar{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start}
  .hero-sub,.hero-lead{max-width:none}
  .hero::before{width:120%;left:-20%;top:2%;height:56%;opacity:.3}
  .hero::after{display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .matrix>*:nth-child(n+4){margin-top:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .flow::before{display:none}
  .res-cols{grid-template-columns:1fr;gap:0}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tr-row{grid-template-columns:110px 1fr;row-gap:6px}
  .tr-row .a{grid-column:2/3}
  .hero-band{grid-template-columns:repeat(2,1fr);gap:20px}
}
@media (max-width:767px){
  :root{--pad-sec:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  .topbar{height:56px;padding:0 14px}
  .brand-name{font-size:1.05rem}
  h1{font-size:clamp(2.25rem,9vw,2.9rem)}
  .sec-head{gap:10px;margin-bottom:30px}
  .sec-lead{margin:-14px 0 30px;font-size:15.5px}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px}
  .flow{grid-template-columns:1fr;gap:26px}
  .flow-step{padding-top:28px}
  .flow::before{display:block;left:4px;top:6px;right:auto;width:1px;height:calc(100% - 20px)}
  .flow-step::before{top:0;left:0}
  .res-row{grid-template-columns:34px 1fr auto;padding:0 4px;height:56px}
  .news-item{grid-template-columns:1fr;gap:14px;padding:16px}
  .tr-row{grid-template-columns:1fr;gap:6px;padding:18px 4px}
  .tr-row .a{grid-column:auto}
  .guard-grid{grid-template-columns:1fr 1fr;gap:18px 14px}
  .guard{padding:22px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-band{grid-template-columns:1fr 1fr}
  .hero-band .mn{font-size:1.3rem}
  .faq-q{height:60px;font-size:14.5px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{width:100%}
  .hero-actions{gap:14px}
  .hero-actions .tlink{width:auto}
  .card{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --paper:#FAF9F6; --card:#FFFFFF;
  --ink:#16171B; --ink-2:#3A3D45; --muted:#6E7278;
  --line:#E3E2DC; --line-strong:#C9C8C1;
  --accent:#C9F24D; --accent-ink:#10110F; --alert:#E2603F;
  --hover:#F3F2ED; --zebra:#F7F6F2; --skeleton:#F0EFEA;
  --sans:-apple-system,"PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r-card:10px; --r-btn:8px; --r-tag:4px;
  --sh:0 1px 2px rgba(22,23,27,.04);
  --sh-h:0 10px 28px rgba(22,23,27,.08);
  --ez:cubic-bezier(.22,1,.36,1);
  --pad-sec:clamp(72px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit;background:none;border:none}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.mn{font-family:var(--mono)}

/* ---------- sidebar ---------- */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:240px;background:var(--paper);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:26px 0 18px;overflow-y:auto;z-index:60}
.brand{display:flex;align-items:center;gap:10px;padding:0 20px 26px;color:var(--ink)}
.brand svg{flex:none;color:var(--ink)}
.brand-name{font-weight:800;font-size:1.24rem;letter-spacing:-.01em}
.nav-group-title{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;padding:6px 20px 8px}
.nav-link{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 20px;font-size:15px;color:var(--ink-2);transition:background .18s var(--ez),color .18s var(--ez)}
.nav-link:hover{background:var(--hover);color:var(--ink)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{content:"";position:absolute;right:0;top:0;bottom:0;width:3px;background:var(--accent)}
.nav-link svg{flex:none;width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.nav-link .label{white-space:nowrap}
.nav-sep{height:1px;background:var(--line);margin:16px 20px}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.side-foot .nav-link{height:40px}
.side-note{font-family:var(--mono);font-size:11.5px;color:var(--muted);padding:10px 20px 0;line-height:1.7}

/* ---------- topbar + drawer ---------- */
.topbar{display:none;position:sticky;top:0;z-index:70;height:64px;align-items:center;justify-content:space-between;padding:0 20px;background:rgba(250,249,246,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .brand{padding:0;gap:8px}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--card);transition:border-color .2s var(--ez),background .2s var(--ez)}
.burger:hover{border-color:var(--ink)}
.burger span{position:relative;display:block;width:18px;height:1.5px;background:var(--ink)}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);transition:transform .2s var(--ez)}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(360px,86vw);background:var(--paper);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s var(--ez);z-index:90;display:flex;flex-direction:column;padding:18px 0;overflow-y:auto}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 14px;border-bottom:1px solid var(--line);margin-bottom:12px}
.drawer-head .brand{padding:0}
.drawer .nav-link{height:52px}

/* ---------- main ---------- */
.main{margin-left:240px}
.sec{padding:var(--pad-sec) 0;border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.sec-num{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:24px;background:var(--accent);color:var(--accent-ink);font-family:var(--mono);font-size:12px;font-weight:600;border-radius:var(--r-tag);letter-spacing:.02em}
.sec-head h2{font-size:clamp(1.6rem,2.8vw,2.5rem);font-weight:800}
.sec-head::after{content:"";flex:1;height:1px;background:var(--line)}
.sec-lead{max-width:64ch;color:var(--ink-2);font-size:16px;margin:0 0 44px;line-height:1.8}

/* ---------- breadcrumb & category head ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-bottom:22px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line-strong)}
.crumb a{color:var(--ink-2);border-bottom:1px solid transparent;transition:border-color .2s var(--ez),color .2s var(--ez)}
.crumb a:hover{color:var(--ink);border-color:var(--accent)}
.crumb [aria-current]{color:var(--ink)}
.cat-head{padding:clamp(40px,5vw,64px) 0 clamp(36px,4vw,56px);border-bottom:1px solid var(--line);background:#FCFBF8}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.cat-kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--ink-2);border:1px solid var(--line-strong);background:var(--card);padding:5px 12px;border-radius:var(--r-tag);margin-bottom:18px}
.cat-head h1{font-size:clamp(1.75rem,2.75vw,2.75rem);font-weight:800;line-height:1.1}
.cat-desc{margin-top:18px;max-width:64ch;color:var(--ink-2);font-size:16px;line-height:1.8}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.fact-figure{margin:0 0 22px}
.fact-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:var(--skeleton)}
.cat-facts{border-left:1px solid var(--line);padding-left:22px;display:flex;flex-direction:column;gap:16px}
.cat-facts>div{display:flex;align-items:baseline;gap:12px}
.fact-n{font-family:var(--mono);font-size:1.15rem;font-weight:600;letter-spacing:-.01em;min-width:96px}
.fact-l{font-size:13.5px;color:var(--muted)}

/* ---------- chips ---------- */
.chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;font-family:var(--mono);font-size:12px;border:1px solid var(--line);border-radius:var(--r-tag);color:var(--ink-2);background:var(--card)}
.chip-accent{border-color:var(--accent);color:var(--ink)}
.chip-alert{border-color:var(--alert);color:var(--alert)}
.filter-row{display:flex;flex-wrap:wrap;gap:10px}
.filter-row .chip{height:32px;padding:0 14px;font-size:13px;cursor:default}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- cards ---------- */
.cards{margin-top:8px}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.post-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:border-color .2s var(--ez),transform .2s var(--ez),box-shadow .2s var(--ez)}
.post-card::after{content:"";position:absolute;right:12px;top:12px;width:8px;height:8px;background:var(--accent);opacity:0;transition:opacity .2s var(--ez)}
.post-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-h)}
.post-card:hover::after{opacity:1}
.pc-media{overflow:hidden;background:var(--skeleton)}
.pc-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ez)}
.post-card:hover .pc-media img{transform:scale(1.03)}
.pc-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc-body h3{font-size:1.05rem;font-weight:700;line-height:1.45}
.pc-body p{font-size:14.5px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line)}
.pc-meta time{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.list-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.pager{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:13px;color:var(--muted)}
.pager .pg{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;border:1px solid var(--line);border-radius:var(--r-tag)}
.pager .pg.current{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--r-btn);font-weight:600;font-size:15.5px;border:1px solid transparent;transition:background .2s var(--ez),color .2s var(--ez),border-color .2s var(--ez),transform .2s var(--ez),filter .2s var(--ez)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}
.btn-primary:active{background:var(--ink);color:var(--paper);transform:none}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn:disabled{background:var(--line-strong);color:var(--muted);cursor:not-allowed;border-color:transparent}

/* ---------- points ---------- */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.point{position:relative;padding:22px 24px 22px 26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh)}
.point::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}
.point .pnum{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.06em}
.point h3{margin-top:8px;font-size:1.05rem;font-weight:700}
.point p{margin-top:8px;font-size:15px;color:var(--ink-2)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{padding-top:6px}
.flow-num{font-family:var(--mono);font-size:clamp(2rem,3.4vw,2.8rem);font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1}
.flow-step h3{margin-top:14px;font-size:1.05rem;font-weight:700}
.flow-step p{margin-top:8px;font-size:14.8px;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;text-align:left;font-size:15px;font-weight:600;color:var(--ink);transition:color .2s var(--ez)}
.faq-q:hover{color:var(--ink-2)}
.faq-i{position:relative;width:20px;height:20px;flex:none}
.faq-i::before,.faq-i::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transition:transform .24s var(--ez),opacity .24s var(--ez)}
.faq-i::before{width:14px;height:1.5px;transform:translate(-50%,-50%)}
.faq-i::after{width:1.5px;height:14px;transform:translate(-50%,-50%)}
.faq-q[aria-expanded="true"] .faq-i::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .24s var(--ez),opacity .24s var(--ez)}
.faq-a p{padding:0 0 20px;max-width:70ch;font-size:15.2px;color:var(--ink-2);line-height:1.8}

/* ---------- related ---------- */
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.rel-item{padding:22px 0;border-bottom:1px solid var(--line)}
.rel-item:first-child,.rel-item:nth-child(2){padding-top:0}
.rel-item h3{font-size:1.02rem;font-weight:700;transition:color .2s var(--ez)}
.rel-item h3 a{border-bottom:1px solid transparent;transition:border-color .2s var(--ez)}
.rel-item:hover h3 a{border-color:var(--accent)}
.rel-meta{margin-top:6px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.rel-item p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}

/* ---------- category index ---------- */
.cat-index{display:flex;flex-wrap:wrap;gap:12px}
.cat-index a{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border:1px solid var(--line);border-radius:var(--r-tag);background:var(--card);font-size:14.5px;transition:background .2s var(--ez),color .2s var(--ez),border-color .2s var(--ez)}
.cat-index a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cat-index a .mono,.cat-index a .idx{font-family:var(--mono);font-size:12px;color:var(--muted);transition:color .2s var(--ez)}
.cat-index a:hover .idx{color:var(--accent)}

/* ---------- subscribe ---------- */
.subscribe{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sub-grid{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:48px;align-items:center}
.sub-grid h3{font-size:clamp(1.25rem,1.8vw,1.6rem);font-weight:800}
.sub-grid p{margin-top:10px;color:var(--ink-2);font-size:15.4px;max-width:56ch}
.sub-form{display:flex;gap:12px}
.sub-form input{flex:1;height:48px;padding:0 16px;border:1px solid var(--line-strong);border-radius:var(--r-btn);background:var(--card);font-size:15px;transition:border-color .2s var(--ez),box-shadow .2s var(--ez)}
.sub-form input::placeholder{color:var(--muted)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,242,77,.35)}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:var(--paper);padding:clamp(56px,7vw,88px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(250,249,246,.14)}
.footer h4{font-size:13px;font-weight:600;color:rgba(250,249,246,.56);letter-spacing:.02em;margin-bottom:16px}
.footer ul li{margin-bottom:10px}
.footer ul a,.footer .flink{font-size:14px;color:rgba(250,249,246,.86);transition:color .2s var(--ez)}
.footer ul a:hover{color:var(--paper);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.footer .brand{padding:0 0 14px;color:var(--paper)}
.footer .brand svg{color:var(--paper)}
.footer .brand-name{color:var(--paper)}
.fdesc{font-size:14px;color:rgba(250,249,246,.72);max-width:40ch;line-height:1.8}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:22px;font-family:var(--mono);font-size:12.5px;color:rgba(250,249,246,.55)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ez),transform .48s var(--ez)}
.reveal.in{opacity:1;transform:none}
.grid>.reveal:nth-child(3n+2){transition-delay:.06s}
.grid>.reveal:nth-child(3n){transition-delay:.12s}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  .container{max-width:1140px}
}
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:84px;overflow:visible}
  .brand{justify-content:center;padding:0 0 22px}
  .brand-name{display:none}
  .nav-group-title{text-align:center;padding:6px 0 8px;font-size:10px}
  .nav-link{justify-content:center;padding:0}
  .nav-link .label{position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--ink);color:var(--paper);padding:6px 12px;border-radius:6px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .18s var(--ez);white-space:nowrap;z-index:80}
  .nav-link:hover .label{opacity:1}
  .nav-sep{margin:16px 14px}
  .side-note{display:none}
  .main{margin-left:84px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0}
  .container{max-width:100%;padding:0 24px}
  .cat-head-grid{grid-template-columns:1fr;gap:32px}
  .cat-facts{border-left:none;border-top:1px solid var(--line);padding:20px 0 0;flex-direction:row;flex-wrap:wrap;gap:28px}
  .cat-facts>div{flex-direction:column;gap:2px}
  .fact-n{min-width:0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .points{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .rel-item:nth-child(2){padding-top:22px}
  .sub-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .topbar{height:56px}
  .topbar .brand-name{font-size:1.05rem}
  .container{padding:0 18px}
  .sec{padding:56px 0}
  .cat-head h1{font-size:clamp(1.6rem,7vw,2.1rem)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .cat-index a{width:100%;justify-content:space-between}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .list-foot{flex-direction:column;align-items:stretch}
  .list-foot .btn{width:100%}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}