/* MAIUW */
@font-face{font-family:"Dela Gothic One";src:url(/assets/fonts/dela-gothic-one-latin.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Golos Text";src:url(/assets/fonts/golos-text-latin.woff2) format("woff2");font-weight:400 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --al:#DDE1E4; --al2:#EEF0F2; --paper:#FFFFFF; --ink:#14171B; --ink2:#4E555C; --mute:#5B636B; --line:#CBD1D6; --line2:#E3E7EA;
  --rmb:#A21C34; --rmb-bg:#F7E8EA; --usdt:#1C6A55; --usdt-bg:#E2EEE9; --warn-bg:#F6EFE2;
  --cjk:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --tx:"Golos Text",var(--cjk);
  --dp:"Dela Gothic One","Golos Text",var(--cjk);
  --w:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--tx);font-size:16px;line-height:1.75;min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}
img{max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,p,ul,ol,figure{margin:0}
button{font:inherit;color:inherit;cursor:pointer}
.mu-wrap{max-width:var(--w);margin:0 auto;padding-left:40px;padding-right:40px}
.mu-skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:9}
.mu-skip:focus{left:8px}
.mu-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--usdt);outline-offset:2px}

/* ---------- 顶栏 ---------- */
.mu-top{background:var(--al)}
.mu-home .mu-top{background:var(--al)}
.mu-top-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.mu-mark{font-family:var(--dp);font-size:22px;letter-spacing:.06em;text-decoration:none;display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.mu-mark i{display:inline-block;width:14px;height:14px;border-radius:50%;background:linear-gradient(90deg,var(--rmb) 50%,var(--usdt) 50%)}
.mu-nav{display:flex;align-items:center;gap:26px;font-size:15px}
.mu-nav a{text-decoration:none;color:var(--ink2);padding:6px 0;border-bottom:2px solid transparent}
.mu-nav a:hover,.mu-nav a.on{color:var(--ink);border-color:var(--ink)}
.mu-find{display:inline-flex;align-items:center;gap:6px}
.mu-menu{display:none;position:relative}
.mu-menu summary{list-style:none;border:1.5px solid var(--ink);border-radius:8px;padding:6px 14px;font-size:14px;min-height:40px;display:flex;align-items:center;cursor:pointer;background:transparent}
.mu-menu summary::-webkit-details-marker{display:none}
.mu-menu[open] summary{background:var(--ink);color:#fff}
.mu-menu-in{position:absolute;right:0;top:48px;z-index:5;background:var(--paper);border:1.5px solid var(--ink);border-radius:10px;min-width:200px;padding:6px;display:flex;flex-direction:column}
.mu-menu-in a{display:block;padding:11px 14px;text-decoration:none;border-radius:6px;font-size:15px}
.mu-menu-in a:hover{background:var(--al2)}

/* ---------- 首页首屏：双字 ---------- */
.mu-hero{background:var(--al);min-height:calc(100vh - 68px);display:flex;flex-direction:column}
.mu-hero>.mu-wrap,.mu-hero>.mu-strip{width:100%}
.mu-hero-head{padding-top:22px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:end}
.mu-hero h1{font-weight:800;font-size:50px;line-height:1.16;letter-spacing:-.01em}
.mu-dek{font-size:17px;color:var(--ink2);max-width:32em}
.mu-notice{margin-top:10px;font-size:13px;color:var(--mute);line-height:1.6}
.mu-stage{flex:1;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;align-content:center;gap:24px;padding-top:12px;padding-bottom:22px}
.mu-g{display:flex;flex-direction:column;align-items:center;text-align:center}
.mu-glyph{font-family:"Dela Gothic One",sans-serif;font-size:min(34vh,330px);line-height:.92;user-select:none;transition:color .3s}
.is-rmb{--c:var(--rmb)} .is-usdt{--c:var(--usdt)}
.is-have{color:var(--c)}
.is-away{color:transparent;-webkit-text-stroke:3px var(--c)}
.is-lock{color:transparent;-webkit-text-stroke:3px var(--c);background:repeating-linear-gradient(135deg,var(--c) 0 6px,transparent 6px 14px);-webkit-background-clip:text;background-clip:text}
.mu-who{margin-top:14px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--ink2)}
.mu-cap{margin-top:4px;font-size:16px;max-width:19em;min-height:3.4em;line-height:1.6}
.mu-steps{display:flex;flex-direction:column;gap:8px}
.mu-steps-h{font-size:13px;color:var(--mute);text-align:center}
.mu-step{border:1.5px solid var(--ink);background:transparent;border-radius:999px;padding:8px 18px;font-size:14px;white-space:nowrap;min-height:40px}
.mu-step[aria-pressed="true"]{background:var(--ink);color:#fff}
.mu-legend{list-style:none;padding:0;margin:8px 0 0;font-size:13px;color:var(--mute);line-height:1.9}
.mu-legend b{display:inline-block;width:12px;height:12px;border-radius:2px;vertical-align:-1px;margin-right:6px}
.mu-legend .k1{background:var(--ink)} .mu-legend .k2{border:1px solid var(--ink);background:repeating-linear-gradient(135deg,var(--ink) 0 2px,transparent 2px 5px)} .mu-legend .k3{border:2px solid var(--ink)}
.mu-strip{background:var(--paper);border-top:1px solid var(--line)}
.mu-strip-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}
.mu-pick{display:flex;flex-direction:column;justify-content:center;padding:20px 32px 20px 0;border-right:1px solid var(--line);text-decoration:none}
.mu-pick small{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--rmb)}
.mu-pick strong{font-size:19px;line-height:1.42;margin-top:4px}
.mu-pick strong::after{content:" →";font-weight:400;color:var(--mute)}
.mu-pick span{font-size:14px;color:var(--ink2);margin-top:4px}
.mu-pick:hover strong{text-decoration:underline;text-underline-offset:4px}
.mu-strip .mu-code{padding:18px 0 18px 32px}

/* ---------- 邀请码块（首页与码卡共用） ---------- */
.mu-code{display:grid;grid-template-columns:auto 1fr;gap:4px 22px;align-items:center}
.mu-code-lbl{grid-column:1/3;font-size:13px;color:var(--mute);letter-spacing:.06em}
.mu-code-row{display:flex;align-items:center;gap:10px}
.mu-code-row strong{font-family:"Dela Gothic One",sans-serif;font-weight:400;font-size:30px;letter-spacing:.08em;word-break:break-all}
.mu-copy{border:0;background:var(--usdt);color:#fff;border-radius:6px;padding:9px 16px;font-size:14px;font-weight:600;min-height:44px}
.mu-copy.done{background:var(--ink)}
.mu-copy.fail{background:var(--rmb)}
.mu-benefit{font-size:15px;font-weight:600;line-height:1.5}
.mu-fn{grid-column:1/3;font-size:13px;color:var(--mute);line-height:1.5}

/* ---------- 首页首屏下：七段 ---------- */
.mu-legs{background:var(--al2);padding:56px 0 64px}
.mu-sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.mu-sec-head h2{font-size:26px;font-weight:800}
.mu-sec-head p{color:var(--ink2);max-width:40em}
.mu-leg-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
@media (min-width:761px){.mu-leg-grid{display:block;columns:2;column-gap:56px}.mu-leg{break-inside:avoid}}
.mu-leg{display:grid;grid-template-columns:58px 1fr;padding:18px 0;border-top:1px solid var(--line)}
.mu-leg-n{font-family:"Dela Gothic One",sans-serif;font-size:28px;line-height:1.1;color:var(--mute)}
.mu-leg.warn .mu-leg-n,.mu-grp.warn .mu-leg-n{color:var(--rmb)}
.mu-leg h3{font-size:18px;font-weight:800}
.mu-leg-line{font-size:14px;color:var(--ink2);margin-top:2px}
.mu-leg ul{list-style:none;padding:0;margin-top:8px}
.mu-leg li{padding:3px 0;font-size:15px}
.mu-leg li a{text-decoration:none;border-bottom:1px solid var(--line)}
.mu-leg li a:hover{border-color:var(--ink)}
.mu-home-tools{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}
.mu-home-k{flex-basis:100%;font-size:13px;color:var(--mute)}
.mu-home-tools a{display:flex;flex-direction:column;background:var(--paper);border:1.5px solid var(--ink);border-radius:10px;padding:14px 18px;text-decoration:none;min-width:260px;flex:1 1 260px;max-width:420px}
.mu-home-tools a b{font-size:16px}
.mu-home-tools a span{font-size:14px;color:var(--ink2)}
.mu-home-tools a:hover{background:var(--al2)}
.mu-tagline{display:flex;flex-wrap:wrap;gap:2px 22px;align-items:center;font-size:14px}
.mu-tagline .k{font-size:13px;color:var(--mute);margin-right:4px}
.mu-tagline a,.mu-tagline .t{padding:6px 0;text-decoration:none}
.mu-tagline a{border-bottom:1px solid var(--line)}
.mu-prose .mu-tagline a{text-decoration:none}
.mu-tagline a:hover{border-bottom-color:var(--ink)}
.mu-tagline .t{color:var(--mute)}
.mu-home-tags{margin-top:30px}

/* ---------- 文章与通用页题头 ---------- */
.mu-ahead,.mu-lhead{background:var(--al);padding:18px 0 30px}
.mu-crumbs{list-style:none;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:4px 0;font-size:13px;color:var(--mute);margin-bottom:18px}
.mu-crumbs li+li::before{content:"/";margin:0 8px;color:var(--line)}
.mu-crumbs a{text-decoration:none}
.mu-crumbs a:hover{text-decoration:underline}
.mu-ahead-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:end}
.mu-ahead.has-cover .mu-ahead-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.mu-eye{font-size:13px;font-weight:700;letter-spacing:.05em;color:var(--ink2);display:flex;align-items:center;gap:8px;margin-bottom:10px}
.mu-eye-n{font-family:"Dela Gothic One",sans-serif;font-size:18px;color:var(--usdt);font-weight:400}
.mu-eye.warn .mu-eye-n{color:var(--rmb)}
.mu-ahead h1,.mu-lhead h1{font-size:38px;font-weight:800;line-height:1.24;letter-spacing:-.005em;max-width:24em}
.mu-hero h1,.mu-ahead h1,.mu-lhead h1,.mu-pick strong,.mu-benefit,.mu-items a b,.mu-prose h2{overflow-wrap:anywhere;text-wrap:balance}
.mu-prose p,.mu-prose li,.mu-dek,.mu-fn,.mu-items a span,.mu-terms span,.mu-home-tools a span,.mu-tool-in label small,.mu-q legend,.mu-intro p,.mu-faq p,.mu-yiju p,.mu-tbl td,.mu-foot-say p,.mu-foot-low span{text-wrap:pretty}
.mu-cap,.mu-leg-line,.mu-grp-h p,.mu-toc li{text-wrap:balance}
.mu-ahead .mu-dek{margin-top:12px;font-size:17px;max-width:40em}
.mu-by{margin-top:14px;font-size:13px;color:var(--mute);display:flex;flex-wrap:wrap;gap:4px 18px}
.mu-by a{color:var(--ink);text-decoration:none;font-weight:600}
.mu-cover{margin:0}
.mu-cover img{display:block;border-radius:6px;width:100%}
.mu-cover figcaption{font-size:13px;color:var(--mute);margin-top:6px}

/* ---------- 正文 ---------- */
.mu-abody{display:grid;grid-template-columns:230px minmax(0,1fr);gap:52px;padding-top:36px;padding-bottom:64px;align-items:start}
.mu-abody.no-toc{grid-template-columns:minmax(0,1fr)}
.mu-abody.no-toc .mu-prose{max-width:720px}
.mu-toc{position:sticky;top:16px;font-size:14px}
.mu-toc summary{font-weight:700;cursor:pointer;list-style:none;padding:6px 0 10px;border-bottom:2px solid var(--ink)}
.mu-toc summary::-webkit-details-marker{display:none}
.mu-toc nav ul{list-style:none;padding:0;margin:8px 0 0}
.mu-toc nav li{padding:5px 0;border-bottom:1px solid var(--line2);line-height:1.5}
.mu-toc a{text-decoration:none;color:var(--ink2)}
.mu-toc a:hover{color:var(--ink)}
.mu-prose{max-width:690px;font-size:17px;line-height:1.85}
.mu-prose>*+*{margin-top:1.05em}
.mu-prose h2{font-size:25px;line-height:1.35;font-weight:800;margin-top:1.9em;padding-top:.2em}
.mu-prose h3{font-size:19px;line-height:1.4;font-weight:700;margin-top:1.5em}
.mu-prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--usdt);text-decoration-thickness:1.5px;text-underline-offset:3px}
.mu-prose a:hover{color:var(--usdt)}
.mu-prose ul,.mu-prose ol{padding-left:1.4em}
.mu-prose li+li{margin-top:.4em}
.mu-prose strong{font-weight:700}
.mu-prose blockquote{margin:1.2em 0;padding:4px 0 4px 18px;border-left:3px solid var(--line);color:var(--ink2)}
.mu-prose code{font-family:var(--tx);background:var(--al2);padding:1px 6px;border-radius:4px;font-size:.92em}
.mu-prose ol.steps,.mu-prose .steps{counter-reset:s;list-style:none;padding-left:0}
.mu-prose .steps>li{counter-increment:s;position:relative;padding-left:44px}
.mu-prose .steps>li::before{content:counter(s);position:absolute;left:0;top:.1em;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-family:"Dela Gothic One",sans-serif;font-size:14px;display:flex;align-items:center;justify-content:center;line-height:1}
.mu-tbl{overflow-x:auto;margin:1.3em 0}
.mu-tbl table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.6}
.mu-tbl th{text-align:left;background:var(--al);font-weight:700;padding:9px 12px;border-bottom:2px solid var(--ink);white-space:nowrap}
.mu-tbl td{padding:9px 12px;border-bottom:1px solid var(--line2);vertical-align:top}
.mu-tbl td:first-child{min-width:6.5em;font-weight:600}
.mu-yiju{background:var(--al2);border-left:4px solid var(--ink);padding:14px 18px;font-size:15px;color:var(--ink2);line-height:1.75}
.mu-yiju p+p{margin-top:.6em}
.mu-yiju-line{font-size:14px;color:var(--mute);border-top:1px solid var(--line2);padding-top:10px}
.mu-ti{border-radius:8px;padding:14px 18px;font-size:16px;line-height:1.75;background:var(--usdt-bg)}
.mu-ti>b{display:block;margin-bottom:2px}
.mu-ti.warn{background:var(--warn-bg)}
.mu-ti.stop{background:var(--rmb-bg)}
.mu-ti.stop>b{color:var(--rmb)}
.mu-ti.ok{background:var(--usdt-bg)}
.mu-ti.ok>b{color:var(--usdt)}
.mu-ti p+p{margin-top:.5em}
.mu-tu{margin:1.4em 0}
.mu-tu img{display:block;border:1px solid var(--line);border-radius:6px}
.mu-tu figcaption{font-size:13px;color:var(--mute);margin-top:6px;line-height:1.6}
.mu-hold{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:14px 0}
.mu-hold-g{display:flex;gap:8px;justify-content:center}
.mu-mini{font-family:"Dela Gothic One",sans-serif;font-size:42px;line-height:1}
.mu-mini.is-away,.mu-mini.is-lock{-webkit-text-stroke-width:1.6px}
.mu-mini.is-lock{background:repeating-linear-gradient(135deg,var(--c) 0 3px,transparent 3px 7px);-webkit-background-clip:text;background-clip:text}
.mu-hold-k{font-size:13px;font-weight:700;letter-spacing:.05em;color:var(--mute);margin-bottom:2px;display:flex;flex-wrap:wrap;gap:0 1em}
.mu-hold-k span{white-space:nowrap}
.mu-hold-t p{font-size:16px;line-height:1.7}

/* 注册教程码卡 */
.mu-card{border:2px solid var(--ink);border-radius:12px;padding:20px 22px;background:var(--paper);scroll-margin-top:16px}
.mu-card-go{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:16px}
.mu-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:8px;background:var(--ink);color:#fff!important;font-weight:700;text-decoration:none!important;border:0;font-size:16px}
.mu-btn:hover{background:var(--usdt)}
.mu-fine{font-size:13px;color:var(--mute);margin-top:8px;line-height:1.6}
.mu-card-alt{font-size:13px;color:var(--mute);margin-top:12px}
.mu-card .mu-code-row strong{font-size:26px}

/* FAQ 与去处区 */
.mu-faq{margin-top:2.4em}
.mu-faq h2{margin-bottom:8px}
.mu-faq details{border-top:1px solid var(--line);padding:4px 0}
.mu-faq details:last-child{border-bottom:1px solid var(--line)}
.mu-faq summary{cursor:pointer;font-weight:700;padding:12px 28px 12px 0;list-style:none;position:relative;line-height:1.55}
.mu-faq summary::-webkit-details-marker{display:none}
.mu-faq summary::after{content:"+";position:absolute;right:4px;top:10px;font-family:"Dela Gothic One",sans-serif;font-size:18px;color:var(--mute)}
.mu-faq details[open] summary::after{content:"−"}
.mu-faq details p{padding:0 0 14px;font-size:16px;color:var(--ink2)}
.mu-after{margin-top:3em;display:flex;flex-direction:column;gap:22px}
.mu-me{display:grid;grid-template-columns:52px 1fr;gap:16px;background:var(--al2);border-radius:10px;padding:18px}
.mu-me-av{width:52px;height:52px;border-radius:50%;background:var(--ink);color:#fff;font-family:"Dela Gothic One",sans-serif;font-size:15px;display:flex;align-items:center;justify-content:center;letter-spacing:.02em}
.mu-me b{font-size:15px}
.mu-me p{font-size:14px;color:var(--ink2);line-height:1.75;margin-top:4px}
.mu-me a{color:var(--ink)}
.mu-pn{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mu-pn a{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;padding:12px 16px;text-decoration:none!important}
.mu-pn a:hover{border-color:var(--ink)}
.mu-pn a.nx{text-align:right}
.mu-pn small{font-size:13px;color:var(--mute)}
.mu-pn b{font-size:15px;line-height:1.45}
.mu-rel-h{font-size:13px;font-weight:700;color:var(--mute);letter-spacing:.05em}
.mu-rel ul{list-style:none;padding:0;margin-top:6px}
.mu-rel li{padding:6px 0;border-bottom:1px solid var(--line2);font-size:15px}

/* ---------- 列表页、标签页 ---------- */
.mu-lhead-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:end}
.mu-cnt{margin-top:8px;font-size:13px;color:var(--mute)}
.mu-intro{font-size:15px;color:var(--ink2);line-height:1.8}
.mu-intro p+p{margin-top:.6em}
.mu-lbody{padding-top:30px;padding-bottom:64px}
.mu-grp{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.9fr);gap:36px;padding:26px 0;border-top:1px solid var(--line);scroll-margin-top:12px}
.mu-grp-h{display:grid;grid-template-columns:48px 1fr;gap:8px}
.mu-grp-h h2{font-size:21px;font-weight:800}
.mu-grp-h p{font-size:14px;color:var(--ink2);margin-top:4px;line-height:1.6}
.mu-items{list-style:none;padding:0;margin:0}
.mu-items li{border-bottom:1px solid var(--line2)}
.mu-items li:first-child{border-top:1px solid var(--line2)}
.mu-grp .mu-items li:first-child{border-top:0}
.mu-grp .mu-items li:last-child{border-bottom:0}
.mu-items a{display:flex;flex-direction:column;padding:14px 0;text-decoration:none}
.mu-items a b{font-size:17px;line-height:1.45}
.mu-items a span{font-size:14px;color:var(--ink2);margin-top:3px;line-height:1.6}
.mu-items a time{font-size:13px;color:var(--mute);margin-top:4px}
.mu-items a:hover b{text-decoration:underline;text-underline-offset:4px}
.mu-terms{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.mu-terms a{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;padding:16px 18px;text-decoration:none;height:100%}
.mu-terms a:hover{border-color:var(--ink)}
.mu-terms b{font-size:17px}
.mu-terms span{font-size:14px;color:var(--ink2);margin-top:4px;line-height:1.6}
.mu-terms em{font-style:normal;font-size:13px;color:var(--mute);margin-top:8px}
@media (min-width:1101px){.mu-terms{grid-template-columns:repeat(3,minmax(0,1fr))}}
.mu-pager{display:flex;justify-content:space-between;align-items:center;margin-top:28px;font-size:15px}
.mu-pager a{text-decoration:none;border:1.5px solid var(--ink);border-radius:8px;padding:8px 16px}
.mu-pager-at{color:var(--mute)}

/* ---------- 搜索 ---------- */
.mu-sbox{display:flex;gap:10px;margin-top:16px;max-width:640px}
.mu-sbox input{flex:1;min-width:0;font:inherit;font-size:16px;border:1.5px solid var(--ink);border-radius:8px;padding:10px 14px;background:var(--paper);min-height:46px}
.mu-q-hint{font-size:14px;color:var(--mute);margin-bottom:10px}
#mu-q-hits:not(:empty)~.mu-plain{display:none}
.mu-q-miss{font-size:15px;color:var(--ink2);margin:6px 0 30px}
.mu-items a small{font-size:13px;color:var(--usdt);font-weight:700;letter-spacing:.04em}

/* ---------- 工具页 ---------- */
.mu-tool-wrap{padding-top:28px}
.mu-tool{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;border:2px solid var(--ink);border-radius:14px;overflow:hidden;max-width:1000px}
.mu-tool-in{padding:22px 24px;display:flex;flex-direction:column;gap:14px;background:var(--paper)}
.mu-tool-in label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.mu-tool-in label small{font-weight:400;color:var(--mute);font-size:13px;line-height:1.5}
.mu-tool-in input[type=number],.mu-tool-in input[type=text]{font:inherit;font-size:18px;border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;min-height:46px;width:100%}
.mu-tool-in input:focus{border-color:var(--ink);outline:0}
.mu-seg{display:flex;border:1.5px solid var(--ink);border-radius:999px;padding:3px;width:max-content;max-width:100%}
.mu-seg button{border:0;background:transparent;border-radius:999px;padding:7px 16px;font-size:14px;min-height:38px}
.mu-seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.mu-tool-out{background:var(--ink);color:#fff;padding:24px;display:flex;flex-direction:column;gap:14px}
.mu-tool-out .k{font-size:13px;color:#B9C0C6}
.mu-tool-big{font-family:"Dela Gothic One",sans-serif;font-size:44px;line-height:1.1;word-break:break-all}
.mu-tool-big small{font-family:var(--tx);font-size:16px;margin-left:6px;color:#D7DCE0}
.mu-tool-big small.mu-nil{margin-left:0}
.mu-tool-rows{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:15px}
.mu-tool-rows dt{color:#B9C0C6}
.mu-tool-rows dd{margin:0;text-align:right;font-weight:600}
.mu-tool-say{font-size:14px;line-height:1.7;color:#E4E8EB;border-top:1px solid #3A4046;padding-top:12px}
.mu-q{border:0;border-top:1px solid var(--line2);border-radius:0;padding:14px 0 6px}
.mu-q:first-of-type{border-top:0;padding-top:0}
.mu-q legend{float:left;width:100%;padding:0;font-size:15px;font-weight:700;line-height:1.5}
.mu-q .opts{clear:both;display:flex;flex-wrap:wrap;gap:8px;padding-top:8px}
.mu-q label{flex-direction:row;align-items:center;gap:8px;font-weight:400;font-size:14px;border:1px solid var(--line);border-radius:14px;padding:8px 14px;cursor:pointer;min-height:44px}
.mu-q input{accent-color:var(--usdt);width:18px;height:18px;margin:0;flex:none}
.mu-verdict{font-family:var(--tx);font-size:28px;font-weight:800;line-height:1.3}
.mu-verdict.go{color:#8FD9BC} .mu-verdict.hold{color:#F2B8C2} .mu-verdict.wait{color:#F2D7A6}
.mu-tool-out ul{margin:0;padding-left:1.2em;font-size:14px;line-height:1.7;color:#E4E8EB}
.mu-guide{max-width:760px}

/* ---------- 页脚 ---------- */
.mu-foot{background:var(--ink);color:#D7DCE0;padding:44px 0 26px;font-size:14px}
.mu-foot a{color:#fff}
.mu-foot .mu-mark{color:#fff}
.mu-foot-in{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:36px}
.mu-foot-say p{margin-top:14px;line-height:1.8;color:#C3C9CE}
.mu-foot-h{font-size:13px;letter-spacing:.1em;color:#9AA2A9;margin-bottom:8px}
.mu-foot ul{list-style:none;padding:0}
.mu-foot li{padding:5px 0}
.mu-foot li a{text-decoration:none;color:#E9ECEE}
.mu-foot li a:hover{text-decoration:underline}
.mu-foot-low{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;border-top:1px solid #2E343A;margin-top:30px;padding-top:16px;font-size:13px;color:#9AA2A9}

/* ---------- 窄屏 ---------- */
@media (max-width:1100px){
  .mu-abody{grid-template-columns:minmax(0,1fr);gap:0}
  .mu-toc{position:static;margin-bottom:22px;border:1px solid var(--line);border-radius:10px;padding:4px 14px 8px}
  .mu-toc summary{border-bottom:0;padding:10px 28px 10px 0;position:relative}
  .mu-toc summary::after{content:"+";position:absolute;right:2px;top:8px;font-family:"Dela Gothic One",sans-serif;font-size:18px;color:var(--mute)}
  .mu-toc details[open] summary::after{content:"−"}
  .mu-prose{max-width:none}
  .mu-foot-in{grid-template-columns:repeat(3,minmax(0,1fr))}
  .mu-foot-say{grid-column:1/-1}
}
@media (max-width:760px){
  body{font-size:16px}
  .mu-wrap{padding-left:16px;padding-right:16px}
  .mu-top-in{height:56px}
  .mu-mark{font-size:20px}
  .mu-nav{display:none}
  .mu-menu{display:block}
  .mu-hero{min-height:0}
  .mu-hero-head{grid-template-columns:1fr;gap:8px;padding-top:6px}
  .mu-hero h1{font-size:27px}
  .mu-dek{font-size:15px}
  .mu-notice{display:none}
  .mu-stage{flex:none;grid-template-columns:1fr 1fr;grid-template-areas:"s s" "a b";gap:10px;padding-top:8px;padding-bottom:6px}
  .mu-steps{grid-area:s;flex-direction:row;gap:6px}
  .mu-steps-h,.mu-legend{display:none}
  .mu-step{flex:1 1 0;min-width:0;padding:7px 4px;font-size:13px}
  .mu-g-r{grid-area:a} .mu-g-u{grid-area:b}
  .mu-glyph{font-size:104px}
  .is-away,.is-lock{-webkit-text-stroke-width:2px}
  .mu-who{margin-top:6px;font-size:13px}
  .mu-cap{font-size:13px;min-height:4.8em}
  .mu-strip{border-top:0}
  .mu-strip-in{grid-template-columns:1fr}
  .mu-strip .mu-code{order:-1;padding:14px 0 12px;border-bottom:1px solid var(--line)}
  .mu-code{grid-template-columns:1fr;gap:6px}
  .mu-code-lbl,.mu-fn{grid-column:auto}
  .mu-code-row strong{font-size:24px}
  .mu-pick{padding:12px 0 14px;border-right:0}
  .mu-pick strong{font-size:16px}
  .mu-pick span{display:none}
  .mu-legs{padding:36px 0 40px}
  .mu-leg-grid{grid-template-columns:1fr}
  .mu-ahead,.mu-lhead{padding:12px 0 22px}
  .mu-crumbs{margin-bottom:12px}
  .mu-ahead h1,.mu-lhead h1{font-size:26px}
  .mu-ahead .mu-dek{font-size:15px}
  .mu-ahead.has-cover .mu-ahead-grid{grid-template-columns:1fr}
  .mu-cover{margin-top:-16px}
  .mu-lhead-grid{grid-template-columns:1fr;gap:14px}
  .mu-abody{padding-top:22px;padding-bottom:44px}
  .mu-prose{font-size:16px;line-height:1.8}
  .mu-prose h2{font-size:21px}
  .mu-prose h3{font-size:18px}
  .mu-tbl table,.mu-tbl thead,.mu-tbl tbody,.mu-tbl tr,.mu-tbl td{display:block;width:100%}
  .mu-tbl thead{display:none}
  .mu-tbl tr{border:1px solid var(--line);border-radius:8px;padding:6px 12px;margin-bottom:10px}
  .mu-tbl td{border-bottom:1px solid var(--line2);padding:7px 0}
  .mu-tbl td:last-child{border-bottom:0}
  .mu-tbl td[data-th]::before{content:attr(data-th);display:block;font-size:13px;color:var(--mute);font-weight:700}
  .mu-tbl td:first-child{min-width:0;font-size:16px;font-weight:700;padding-top:4px}
  .mu-tbl td:first-child::before{display:none}
  .mu-hold{grid-template-columns:70px 1fr;gap:12px;align-items:start}
  .mu-mini{font-size:32px}
  .mu-grp{grid-template-columns:1fr;gap:10px;padding:20px 0}
  .mu-terms{grid-template-columns:1fr}
  .mu-pn{grid-template-columns:1fr}
  .mu-pn a.nx{text-align:left}
  .mu-tool{grid-template-columns:1fr}
  .mu-tool-big{font-size:34px}
  .mu-foot-in{grid-template-columns:1fr 1fr;gap:24px}
  .mu-sbox{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media (max-width:760px){
  .mu-foot li{padding:0}
  .mu-foot li a,.mu-foot-low a,.mu-leg li a,.mu-crumbs a{display:inline-flex;align-items:center;min-height:44px}
  .mu-crumbs li{display:flex;align-items:center}
  .mu-leg li{padding:0}
  .mu-leg li a{display:flex;border-bottom-color:var(--line2)}
  .mu-leg li:last-child a{border-bottom:0}
  .mu-menu summary{min-height:44px}
  .mu-step{min-height:44px}
}
@media (min-width:761px){
  .mu-home-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 56px}
  .mu-home-k{grid-column:1/-1}
  .mu-home-tools a{max-width:none;min-width:0}
  .mu-tool{overflow:clip;background:linear-gradient(90deg,var(--paper) 50%,var(--ink) 50%)}
  .mu-tool-out{position:sticky;top:16px;align-self:start}
}