.siu-pdf-page{overflow-x:hidden}
.siu-wrap{--c:#b5441a;--ink:#1c2530;--mut:#5a6472;position:relative;width:100%;font-family:inherit;color:var(--ink);box-sizing:border-box;line-height:1.5}
.siu-wrap *{box-sizing:border-box}
.siu-wrap a{text-decoration:none}
.siu-in{max-width:1180px;margin:0 auto;padding:0 22px}
/* hero band */
.siu-band{position:relative;overflow:hidden;padding:58px 0 64px;background:radial-gradient(620px 320px at 92% 0%,color-mix(in srgb,var(--c) 18%,transparent),transparent),radial-gradient(520px 320px at 0% 100%,rgba(37,99,235,.10),transparent),linear-gradient(180deg,#fff7f0,#fff)}
.siu-herogrid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.siu-herogrid.one{grid-template-columns:1fr}
.siu-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:99px;background:color-mix(in srgb,var(--c) 10%,#fff);color:var(--c);font-weight:700;font-size:13px;border:1px solid color-mix(in srgb,var(--c) 25%,#fff)}
.siu-band h1{font-family:"Source Serif 4","Source Serif Pro",Georgia,serif!important;font-size:clamp(32px,5vw,56px)!important;line-height:1.08!important;margin:14px 0 14px!important;color:var(--ink)!important;letter-spacing:-.01em}
.siu-lead{font-size:18px;line-height:1.65;color:var(--mut);margin:0;max-width:620px}
.siu-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.siu-pills span{background:#fff;border:1px solid #eadfd6;border-radius:99px;padding:7px 14px;font-size:14px;font-weight:600;color:#334155;box-shadow:0 2px 6px rgba(28,37,48,.05)}
.siu-ticon{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:18px;font-size:32px;background:#fff;border:1px solid color-mix(in srgb,var(--c) 25%,#fff);box-shadow:0 8px 22px color-mix(in srgb,var(--c) 22%,transparent)}
.siu-art{position:relative;height:290px}
.siu-art .a{position:absolute;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #eadfd6;border-radius:18px;padding:14px 20px;box-shadow:0 16px 36px rgba(28,37,48,.13);font-weight:700;font-size:17px;animation:siuf 5s ease-in-out infinite}
.siu-art .a i{font-style:normal;display:grid;place-items:center;width:46px;height:46px;border-radius:13px;font-size:23px;background:var(--b)}
@keyframes siuf{50%{margin-top:-9px}}
/* sections */
.siu-sec{padding:46px 0 10px}
.siu-sec h2,.siu-h2{font-family:"Source Serif 4","Source Serif Pro",Georgia,serif;font-size:clamp(24px,3vw,32px);margin:0 0 6px;color:var(--ink)}
.siu-sub{color:var(--mut);margin:0 0 24px;font-size:16px}
.siu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:20px}
.siu-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:26px 24px 22px;border-radius:20px;background:#fff;border:1px solid #e7e2dc;color:var(--ink);overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.siu-card:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--c)}
.siu-card:hover,.siu-card:focus-visible{transform:translateY(-6px);box-shadow:0 18px 40px color-mix(in srgb,var(--c) 22%,transparent);border-color:color-mix(in srgb,var(--c) 40%,#fff)}
.siu-ico{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:16px;font-size:29px;background:color-mix(in srgb,var(--c) 13%,#fff)}
.siu-card strong{font-size:20px;color:var(--ink)!important;margin-top:4px}
.siu-d{font-size:15px;line-height:1.55;color:var(--mut)}
.siu-go{margin-top:auto;padding-top:8px;font-weight:700;font-size:14px;color:var(--c)}
.siu-card:hover .siu-go{text-decoration:underline}
.siu-feats,.siu-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.siu-feat{padding:26px;border-radius:20px;background:#fff7f1;border:1px solid #f1dfd2}
.siu-feat span{font-size:30px}.siu-feat h3{margin:8px 0 6px;font-size:19px}.siu-feat p{margin:0;color:var(--mut);font-size:15px}
.siu-step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid #e7e2dc;border-radius:18px;padding:22px;font-size:16px;font-weight:600}
.siu-step b{flex:none;width:38px;height:38px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center}
.siu-priv{color:#166534;background:#dcfce7;padding:12px 16px;border-radius:12px;font-size:14.5px;margin:20px 0 0}
.siu-back{margin:26px 0 40px}.siu-back a{color:var(--c);font-weight:700}
/* tool box */
.siu-toolwrap{max-width:940px;margin:-34px auto 0;position:relative;z-index:2}
.siu-tool{background:#fff;border:1px solid #e7e2dc;border-radius:24px;padding:28px;box-shadow:0 22px 60px rgba(28,37,48,.12)}
.siu-drop{border:2px dashed var(--c);border-radius:20px;padding:54px 18px;text-align:center;background:color-mix(in srgb,var(--c) 6%,#fff);cursor:pointer;transition:background .15s}
.siu-drop:before{content:"⬆️";display:block;font-size:34px;margin-bottom:8px}
.siu-drop.over,.siu-drop:hover{background:color-mix(in srgb,var(--c) 14%,#fff)}
.siu-drop b{display:block;font-size:22px;margin-bottom:6px}.siu-drop small{color:#64748b;font-size:15px}
.siu-btn{display:inline-block;border:0;border-radius:14px;padding:14px 30px;font-size:16px;font-weight:700;color:#fff!important;background:var(--c);cursor:pointer;margin-top:16px;box-shadow:0 8px 20px color-mix(in srgb,var(--c) 30%,transparent)}
.siu-btn:hover{filter:brightness(1.08)}.siu-btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.siu-btn.ghost{background:#e2e8f0;color:#0f172a!important;box-shadow:none}
.siu-files{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:20px}
.siu-file{position:relative;border:1px solid #e2e8f0;border-radius:14px;padding:10px;text-align:center;background:#f8fafc}
.siu-file img,.siu-file .ph{width:100%;height:130px;object-fit:contain;background:#fff;border-radius:8px;display:grid;place-items:center;font-size:34px}
.siu-file .n{font-size:12.5px;margin-top:6px;word-break:break-all;max-height:34px;overflow:hidden}
.siu-file .s{font-size:11.5px;color:#64748b}
.siu-file .x{position:absolute;top:5px;right:5px;width:26px;height:26px;border-radius:50%;border:0;background:#ef4444;color:#fff;cursor:pointer;line-height:1}
.siu-file .mv{display:flex;justify-content:center;gap:6px;margin-top:6px}
.siu-file .mv button{border:1px solid #cbd5e1;background:#fff;border-radius:6px;cursor:pointer;padding:2px 10px}
.siu-opts{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;align-items:end}
.siu-opts label{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:700}
.siu-opts select,.siu-opts input{padding:11px;border:1px solid #cbd5e1;border-radius:10px;font-size:15px;min-width:220px}
.siu-bar{height:10px;border-radius:99px;background:#e2e8f0;overflow:hidden;margin-top:20px}
.siu-bar i{display:block;height:100%;width:0;background:var(--c);transition:width .2s}
.siu-msg{margin-top:8px;font-size:14.5px;color:#475569}.siu-msg.err{color:#dc2626;font-weight:700}
.siu-res{margin-top:20px;padding:22px;border-radius:16px;background:#f0fdf4;border:1px solid #bbf7d0;text-align:center}
.siu-res textarea{width:100%;min-height:260px;margin-top:12px;padding:12px;border:1px solid #cbd5e1;border-radius:10px;font-size:14px}
.siu-pv{margin-top:14px;max-height:380px;overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.siu-pv img{width:100%;border:1px solid #e2e8f0;border-radius:6px}
.siu-pdf-page .entry-header,.siu-pdf-page .page-header,.siu-pdf-page .entry-title,.siu-pdf-page .page-title{display:none!important}
@media(max-width:900px){.siu-herogrid{grid-template-columns:1fr}.siu-art{display:none}.siu-feats,.siu-steps{grid-template-columns:1fr}.siu-band{padding:36px 0 48px}}
@media(max-width:600px){.siu-in{padding:0 14px}.siu-tool{padding:16px;border-radius:18px}.siu-opts select,.siu-opts input{min-width:100%}.siu-opts label{width:100%}.siu-btn{width:100%}.siu-grid{grid-template-columns:1fr}.siu-drop{padding:36px 12px}}
@media(prefers-reduced-motion:reduce){.siu-card,.siu-bar i,.siu-art .a{transition:none;animation:none}}

.siu-files.solo{grid-template-columns:minmax(200px,300px)}
.siu-files.solo .siu-file img,.siu-files.solo .siu-file .ph{height:260px}
.siu-file .pvb{margin-top:8px;width:100%;border:1px solid #cbd5e1;background:#fff;border-radius:8px;padding:6px;font-size:13px;font-weight:600;cursor:pointer;color:#1c2530}
.siu-file .pvb:hover{border-color:var(--c);color:var(--c)}
.siu-modal{position:fixed;inset:0;z-index:999999;background:rgba(15,23,42,.72);display:flex;align-items:center;justify-content:center;padding:2vh 2vw}
.siu-mbox{width:min(940px,100%);height:94vh;background:#eef1f6;border-radius:18px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.siu-mhd{display:flex;align-items:center;gap:12px;padding:12px 18px;background:#fff;border-bottom:1px solid #e2e8f0}
.siu-mhd b{flex:1;font-size:15px;word-break:break-all;color:#1c2530}
.siu-mx{border:0;background:#e2e8f0;border-radius:50%;width:34px;height:34px;font-size:22px;cursor:pointer;line-height:1}
.siu-mbd{flex:1;overflow:auto;padding:16px;-webkit-overflow-scrolling:touch}
.siu-pg{position:relative;margin:0 auto 16px;background:#fff;border-radius:6px;box-shadow:0 4px 16px rgba(15,23,42,.14);overflow:hidden}
.siu-pg span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#94a3b8;font-size:14px}
.siu-pg canvas{display:block}
.siu-doc{max-width:820px;margin:0 auto;background:#fff;padding:32px;border-radius:8px;color:#1c2530;overflow-wrap:anywhere}
.siu-doc img{max-width:100%}
@media(max-width:600px){.siu-modal{padding:0}.siu-mbox{height:100%;border-radius:0}.siu-files.solo{grid-template-columns:1fr}}

/* ===== animations ===== */
.siu-band:before{content:"";position:absolute;width:440px;height:440px;right:-90px;top:-140px;border-radius:50%;background:color-mix(in srgb,var(--c) 15%,transparent);filter:blur(46px);animation:siuDrift 12s ease-in-out infinite alternate}
.siu-band:after{content:"";position:absolute;width:320px;height:320px;left:-80px;bottom:-140px;border-radius:50%;background:rgba(37,99,235,.10);filter:blur(46px);animation:siuDrift 15s ease-in-out infinite alternate-reverse}
.siu-band .siu-in{position:relative;z-index:1}
@keyframes siuDrift{to{transform:translate(-110px,60px) scale(1.2)}}
.siu-band .siu-kicker,.siu-band h1,.siu-band .siu-lead,.siu-band .siu-pills,.siu-ticon{animation:siuUp .7s both}
.siu-band h1{animation-delay:.08s}.siu-band .siu-lead{animation-delay:.16s}.siu-band .siu-pills{animation-delay:.24s}
.siu-pills span{animation:siuPop .5s both}.siu-pills span:nth-child(2){animation-delay:.1s}.siu-pills span:nth-child(3){animation-delay:.2s}.siu-pills span:nth-child(4){animation-delay:.3s}
@keyframes siuUp{from{opacity:0;transform:translateY(18px)}}
@keyframes siuPop{0%{opacity:0;transform:scale(.7)}70%{transform:scale(1.06)}}
:where(.siu-wrap) .sp{position:absolute;font-size:24px;animation:siuTw 2.4s ease-in-out infinite}
:where(.siu-wrap) .sp.s1{top:0;right:34%}:where(.siu-wrap) .sp.s2{bottom:40px;right:6%;animation-delay:-1.2s}
@keyframes siuTw{50%{transform:scale(1.5) rotate(20deg);opacity:.5}}
.siu-rv{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease!important}
.siu-rv.in{opacity:1;transform:none}
.siu-card:hover .siu-ico{animation:siuWig .55s}
@keyframes siuWig{25%{transform:rotate(-12deg) scale(1.1)}60%{transform:rotate(10deg) scale(1.1)}}
.siu-go{transition:letter-spacing .2s}.siu-card:hover .siu-go{letter-spacing:.04em}
.siu-btn{position:relative;overflow:hidden;transition:transform .12s,filter .15s}
.siu-btn:before{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .55s}
.siu-btn:hover:before{left:130%}.siu-btn:active{transform:scale(.97)}
.siu-drop:before{animation:siuBnc 1.8s ease-in-out infinite}
.siu-drop{animation:siuRing 2.6s ease-in-out infinite}
@keyframes siuBnc{50%{transform:translateY(-8px)}}
@keyframes siuRing{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--c) 30%,transparent)}50%{box-shadow:0 0 0 10px transparent}}
.siu-drop.over{transform:scale(1.015)}
.siu-file{animation:siuPop .45s both}
.siu-bar i{background-color:var(--c);background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.3) 0 10px,transparent 10px 20px);background-size:28px 28px;animation:siuStr 1s linear infinite}
@keyframes siuStr{to{background-position:28px 0}}
.siu-res{position:relative;overflow:hidden;animation:siuPop .5s both}
.siu-cf{position:absolute;top:0;width:8px;height:12px;border-radius:2px;pointer-events:none;animation:siuCf 1.4s ease-out both}
@keyframes siuCf{0%{transform:translate(0,0) rotate(0);opacity:1}100%{transform:translate(var(--dx),240px) rotate(540deg);opacity:0}}
.siu-modal{animation:siuFade .2s both}.siu-mbox{animation:siuUp .3s both}
@keyframes siuFade{from{opacity:0}}
/* tool illustrations */
.an{position:relative;height:250px;display:flex;align-items:center;justify-content:center;gap:8px}
:where(.siu-wrap) .dc{position:relative;flex:none;width:96px;height:124px;border-radius:14px;border:1px solid #e2e8f0;box-shadow:0 16px 34px rgba(28,37,48,.15);background:linear-gradient(var(--c),var(--c)) 14px 16px/30px 8px no-repeat,repeating-linear-gradient(to bottom,#dfe5ee 0 5px,transparent 5px 13px) 14px 40px/68px 72px no-repeat,#fff}
:where(.siu-wrap) .dc:after{content:attr(data-t);position:absolute;right:-9px;top:-9px;background:var(--c);color:#fff;font:700 11px/1 system-ui,sans-serif;padding:4px 8px;border-radius:7px}
:where(.siu-wrap) .an-merge .dc,:where(.siu-wrap) .an-split .dc,:where(.siu-wrap) .an-comp .dc{position:absolute}
:where(.siu-wrap) .an-merge .l{animation:siuk-mgL 4.4s ease-in-out infinite}:where(.siu-wrap) .an-merge .r{animation:siuk-mgR 4.4s ease-in-out infinite}
:where(.siu-wrap) .an-merge .m{width:112px;height:144px;animation:siuk-mgM 4.4s ease-in-out infinite}
@keyframes siuk-mgL{0%{transform:translateX(-160px) rotate(-10deg);opacity:0}12%{opacity:1}42%{transform:translateX(-12px) rotate(-3deg)}52%,100%{transform:translateX(0) scale(.92);opacity:0}}
@keyframes siuk-mgR{0%{transform:translateX(160px) rotate(10deg);opacity:0}12%{opacity:1}42%{transform:translateX(12px) rotate(3deg)}52%,100%{transform:translateX(0) scale(.92);opacity:0}}
@keyframes siuk-mgM{0%,46%{opacity:0;transform:scale(.6)}58%{opacity:1;transform:scale(1.12)}66%{transform:scale(1)}92%{opacity:1}100%{opacity:0}}
:where(.siu-wrap) .an-split .l{clip-path:inset(0 50% 0 0);animation:siuk-spL 4.4s ease-in-out infinite}
:where(.siu-wrap) .an-split .r{clip-path:inset(0 0 0 50%);animation:siuk-spR 4.4s ease-in-out infinite}
@keyframes siuk-spL{0%,30%{transform:none}50%,80%{transform:translateX(-48px) rotate(-7deg)}100%{transform:none}}
@keyframes siuk-spR{0%,30%{transform:none}50%,80%{transform:translateX(48px) rotate(7deg)}100%{transform:none}}
:where(.siu-wrap) .an-split .sc{position:absolute;font-size:30px;left:50%;margin-left:-15px;top:6px;opacity:0;animation:siuk-scis 4.4s ease-in-out infinite}
@keyframes siuk-scis{0%{top:6px;opacity:0}6%{opacity:1}30%{top:200px;opacity:1}36%,100%{top:200px;opacity:0}}
:where(.siu-wrap) .an-comp .m{animation:siuk-cmp 3.6s ease-in-out infinite}
@keyframes siuk-cmp{0%,15%{transform:scale(1.1)}45%,70%{transform:scale(.6)}100%{transform:scale(1.1)}}
:where(.siu-wrap) .an-comp .ar{position:absolute;font-size:30px;color:var(--c)}
:where(.siu-wrap) .an-comp .ar.l{left:calc(50% - 126px);animation:siuk-arL 3.6s ease-in-out infinite}:where(.siu-wrap) .an-comp .ar.r{right:calc(50% - 126px);animation:siuk-arR 3.6s ease-in-out infinite}
@keyframes siuk-arL{0%,15%{transform:translateX(-14px)}45%,70%{transform:translateX(36px)}100%{transform:translateX(-14px)}}
@keyframes siuk-arR{0%,15%{transform:translateX(14px)}45%,70%{transform:translateX(-36px)}100%{transform:translateX(14px)}}
:where(.siu-wrap) .an-comp .chip{position:absolute;bottom:2px;background:#fff;border:1px solid #e2e8f0;padding:6px 14px;border-radius:99px;font-weight:700;font-size:14px;box-shadow:0 6px 16px rgba(28,37,48,.12);animation:siuk-chp 3.6s ease-in-out infinite}
@keyframes siuk-chp{0%,15%{opacity:0;transform:translateY(8px)}50%,75%{opacity:1;transform:none}100%{opacity:0}}
:where(.siu-wrap) .an-conv .flow{display:flex;gap:7px;width:84px;justify-content:center}
:where(.siu-wrap) .an-conv .flow b{width:12px;height:12px;border-radius:50%;background:var(--c);opacity:.2;animation:siuk-fl 1.4s ease-in-out infinite}
:where(.siu-wrap) .an-conv .flow b:nth-child(2){animation-delay:.2s}:where(.siu-wrap) .an-conv .flow b:nth-child(3){animation-delay:.4s}
@keyframes siuk-fl{0%,100%{opacity:.2;transform:scale(.7)}40%{opacity:1;transform:scale(1.3)}}
:where(.siu-wrap) .an-conv .a{animation:siuBob 3s ease-in-out infinite}:where(.siu-wrap) .an-conv .z{animation:siuBob 3s ease-in-out infinite -1.5s}
@keyframes siuBob{50%{transform:translateY(-12px)}}
:where(.siu-wrap) .an-conv .img{flex:none;width:112px;height:124px;border-radius:14px;background:linear-gradient(#bfdbfe,#fde68a);display:grid;place-items:center;font-size:50px;box-shadow:0 16px 34px rgba(28,37,48,.15);border:3px solid #fff;animation:siuBob 3s ease-in-out infinite -1.5s}
@media(max-width:900px){:where(.siu-wrap) .an{height:210px}}
@media(max-width:600px){:where(.siu-wrap) .an{transform:scale(.82);height:190px}}
@media(prefers-reduced-motion:reduce){.siu-wrap *,.siu-wrap *:before,.siu-wrap *:after,.siu-modal,.siu-modal *{animation:none!important;transition:none!important}:where(.siu-wrap) .an-merge .m,:where(.siu-wrap) .an-comp .chip,:where(.siu-wrap) .an-comp .ar{display:none}.siu-rv{opacity:1!important;transform:none!important}}

/* ===== hero floating tool cards (interactive) ===== */
.siu-art{height:350px}
.siu-art:before,.siu-art:after{content:"";position:absolute;left:50%;top:50%;width:270px;height:270px;margin:-135px 0 0 -135px;border-radius:50%;border:2px solid color-mix(in srgb,var(--c) 32%,transparent);animation:siuRingP 4.4s ease-out infinite;pointer-events:none}
.siu-art:after{animation-delay:-2.2s}
@keyframes siuRingP{0%{transform:scale(.3);opacity:.9}100%{transform:scale(1.7);opacity:0}}
.siu-art .a{text-decoration:none!important;color:#1c2530!important;cursor:pointer;animation-delay:var(--fd,0s);transform:translate(var(--px,0px),var(--py,0px)) rotate(var(--r,0deg));transition:transform .25s ease-out,box-shadow .2s,scale .2s}
.siu-art .a:hover{scale:1.09;box-shadow:0 24px 48px rgba(28,37,48,.24);z-index:3}
.siu-art .a1{top:4px;left:2%;--r:-5deg;--k:#7c3aed}
.siu-art .a2{top:66px;right:0;--r:4deg;--k:#2563eb}
.siu-art .a3{top:146px;left:15%;--r:-2deg;--k:#16a34a}
.siu-art .a4{top:214px;right:3%;--r:5deg;--k:#e11d48}
.siu-art .a5{top:284px;left:0;--r:-4deg;--k:#f97316}
.siu-art .t{display:flex;flex-direction:column;gap:7px;min-width:104px}
.siu-art .pb{display:block;height:6px;border-radius:9px;background:#e8edf5;overflow:hidden;font-style:normal}
.siu-art .pb u{display:block;height:100%;width:0;border-radius:9px;background:var(--k);text-decoration:none;animation:siuPb 3.4s ease-in-out infinite;animation-delay:var(--d,0s)}
@keyframes siuPb{0%{width:0;opacity:1}62%{width:100%}90%{width:100%;opacity:1}100%{width:100%;opacity:0}}
@media(prefers-reduced-motion:reduce){.siu-art .pb u{width:100%}}

/* ===== smoother hero card motion ===== */
.siu-art .a{animation:siuIn .9s cubic-bezier(.2,.9,.3,1.25) var(--ed,0s) backwards,siuWander var(--wd,8s) ease-in-out var(--fd,0s) infinite;transition:box-shadow .2s,scale .25s;will-change:translate,transform}
@keyframes siuIn{from{opacity:0;scale:.5}}
@keyframes siuWander{0%,100%{translate:0 0;rotate:0deg}25%{translate:var(--ax,12px) var(--ay,-12px);rotate:2deg}50%{translate:calc(var(--ax,12px)*-.7) calc(var(--ay,-12px)*-1.1);rotate:-2deg}75%{translate:calc(var(--ax,12px)*.5) calc(var(--ay,-12px)*.9);rotate:1deg}}
.siu-art .a:after{content:"✓";position:absolute;top:-9px;right:-9px;width:27px;height:27px;border-radius:50%;background:#16a34a;color:#fff;font:700 14px/1 system-ui,sans-serif;display:grid;place-items:center;box-shadow:0 5px 12px rgba(22,163,74,.4);opacity:0;scale:0;animation:siuOk 3.4s ease-in-out infinite;animation-delay:var(--d,0s)}
@keyframes siuOk{0%,60%{opacity:0;scale:0}68%{opacity:1;scale:1.25}74%{scale:1}92%{opacity:1;scale:1}100%{opacity:0;scale:1}}
.siu-art .a i{animation:siuTile 3.4s ease-in-out infinite;animation-delay:var(--d,0s)}
@keyframes siuTile{0%,58%{scale:1}68%{scale:1.2}78%,100%{scale:1}}
:where(.siu-wrap) .sp{display:none!important}

.siu-pdf-page [class*="breadcrumb"],.siu-pdf-page .entry-meta,.siu-pdf-page .post-meta,.siu-pdf-page .page-meta,.siu-pdf-page .last-updated,.siu-pdf-page .updated-date{display:none!important}

/* ===== v2: hub filter, stats, marquee, blog, new tool art ===== */
.siu-rot{display:inline-block;height:1.5em;overflow:hidden;vertical-align:bottom;color:var(--c);font-weight:800}
.siu-rot .in{display:block;animation:siuRot 10.5s cubic-bezier(.7,0,.3,1) infinite}
.siu-rot b{display:block;height:1.5em;line-height:1.5em}
@keyframes siuRot{0%,13%{transform:translateY(0)}16.6%,30%{transform:translateY(-1.5em)}33.3%,47%{transform:translateY(-3em)}50%,63%{transform:translateY(-4.5em)}66.6%,80%{transform:translateY(-6em)}83.3%,97%{transform:translateY(-7.5em)}100%{transform:translateY(-9em)}}
.siu-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-38px;position:relative;z-index:2}
.siu-stats div{background:#fff;border:1px solid #e7e2dc;border-radius:18px;padding:20px;text-align:center;box-shadow:0 14px 36px rgba(28,37,48,.09)}
.siu-stats b{display:block;font-family:"Source Serif 4","Source Serif Pro",Georgia,serif;font-size:clamp(28px,3.4vw,40px);color:var(--c);line-height:1.1}
.siu-stats span{font-size:13.5px;color:var(--mut)}
.siu-marq{overflow:hidden;margin:26px 0 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.siu-marq div{display:flex;gap:12px;width:max-content;animation:siuMq 24s linear infinite}
.siu-marq span{padding:8px 20px;border-radius:99px;background:#fff;border:1px solid #e7e2dc;font-weight:800;font-size:14px;color:#475569;letter-spacing:.04em}
@keyframes siuMq{to{transform:translateX(-50%)}}
.siu-filter{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:22px}
.siu-tabs{position:relative;display:flex;gap:4px;padding:6px;border-radius:99px;background:#f1f5f9;max-width:100%;overflow-x:auto;scrollbar-width:none}
.siu-tabs::-webkit-scrollbar{display:none}
.siu-tab{position:relative;z-index:1;flex:none;border:0;background:none;padding:10px 18px;border-radius:99px;font:700 14.5px/1 inherit;font-family:inherit;cursor:pointer;color:#475569;white-space:nowrap;transition:color .25s}
.siu-tab.on{color:#fff}
.siu-tabpill{position:absolute;z-index:0;top:6px;left:0;height:calc(100% - 12px);width:90px;border-radius:99px;background:#1c2530;transition:transform .4s cubic-bezier(.3,1.25,.4,1),width .4s;box-shadow:0 6px 16px rgba(28,37,48,.25)}
.siu-search{width:260px;max-width:100%;padding:12px 18px;border:1px solid #e2e8f0;border-radius:99px;font-size:15px;background:#fff;font-family:inherit}
.siu-search:focus{outline:2px solid color-mix(in srgb,var(--c) 40%,#fff);border-color:var(--c)}
.siu-card[hidden]{display:none}
.siu-card.siu-pop{animation:siuPop .45s both}
.siu-card:after{content:"";position:absolute;inset:0;background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--c) 15%,transparent),transparent 70%);opacity:0;transition:opacity .2s;pointer-events:none}
.siu-card:hover:after{opacity:1}
.siu-cc{font-size:12px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em}
.siu-new{position:absolute;top:14px;right:14px;z-index:1;background:#e11d48;color:#fff;font-size:11px;font-weight:800;padding:3px 9px;border-radius:99px;animation:siuNew 2s ease-in-out infinite}
@keyframes siuNew{50%{transform:scale(1.12);box-shadow:0 0 0 7px rgba(225,29,72,.14)}}
.siu-empty{text-align:center;color:var(--mut);padding:30px}
.siu-blog{max-width:820px;margin:0 auto;font-size:17px;line-height:1.8;color:#2b3542}
.siu-blog h2{font-family:"Source Serif 4","Source Serif Pro",Georgia,serif;font-size:clamp(24px,3vw,30px);margin:34px 0 10px;color:var(--ink)}
.siu-blog h3{font-size:19px;margin:22px 0 6px;color:var(--ink)}
.siu-blog p,.siu-blog li{margin:0 0 12px}.siu-blog ol,.siu-blog ul{padding-left:24px}
.siu-blog img{max-width:100%;height:auto;border-radius:12px}
.siu-posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.siu-post{display:flex;flex-direction:column;border:1px solid #e7e2dc;border-radius:20px;overflow:hidden;background:#fff;color:var(--ink);transition:transform .18s,box-shadow .18s}
.siu-post:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(28,37,48,.14)}
.siu-post .th{display:block;aspect-ratio:16/9;background:center/cover no-repeat linear-gradient(135deg,#fde4d4,#dbe6ff)}
.siu-post .bd{display:flex;flex-direction:column;gap:8px;padding:18px 20px 20px;flex:1}
.siu-post small{color:#94a3b8;font-weight:600}.siu-post strong{font-size:18px;line-height:1.35;color:var(--ink)}
.siu-post .ex{font-size:14.5px;color:var(--mut);line-height:1.55}
.siu-post .siu-go{color:#b5441a}
/* new tool illustrations */
.an-rot .dc{animation:siuk-rot 4s cubic-bezier(.6,0,.3,1) infinite}
@keyframes siuk-rot{0%,20%{transform:rotate(0)}45%,70%{transform:rotate(90deg)}95%,100%{transform:rotate(180deg)}}
:where(.siu-wrap) .an-rot .rt{position:absolute;font-size:38px;right:calc(50% - 100px);top:30px;animation:siuk-spin 4s linear infinite}
@keyframes siuk-spin{to{transform:rotate(360deg)}}
:where(.siu-wrap) .an-del .dc{position:absolute}
:where(.siu-wrap) .an-del .p1{transform:translate(-26px,8px) rotate(-6deg)}:where(.siu-wrap) .an-del .p3{transform:translate(26px,8px) rotate(6deg)}
:where(.siu-wrap) .an-del .p2{animation:siuk-dele 4s ease-in-out infinite}
@keyframes siuk-dele{0%,25%{transform:translate(0,0);opacity:1}55%{transform:translate(90px,-30px) rotate(18deg);opacity:0}100%{transform:translate(0,0);opacity:1}}
:where(.siu-wrap) .an-del .x{position:absolute;color:#dc2626;font-size:40px;opacity:0;animation:siuk-xp 4s ease-in-out infinite}
@keyframes siuk-xp{0%,28%{opacity:0;transform:scale(.3)}40%{opacity:1;transform:scale(1.2)}60%,100%{opacity:0}}
:where(.siu-wrap) .an-num .dc{position:absolute}
:where(.siu-wrap) .an-num .n1{transform:translateX(-62px) rotate(-8deg)}:where(.siu-wrap) .an-num .n3{transform:translateX(62px) rotate(8deg)}
:where(.siu-wrap) .an-num .dc:before{content:attr(data-n);position:absolute;left:50%;bottom:8px;margin-left:-13px;width:26px;height:26px;border-radius:50%;background:var(--c);color:#fff;font:700 14px/26px system-ui;text-align:center;scale:0;animation:siuk-nm 3.6s ease-in-out infinite}
:where(.siu-wrap) .an-num .n2:before{animation-delay:.4s}:where(.siu-wrap) .an-num .n3:before{animation-delay:.8s}
@keyframes siuk-nm{0%{scale:0}15%,80%{scale:1.15}25%{scale:1}95%,100%{scale:0}}
:where(.siu-wrap) .an-wm .dc{width:112px;height:144px}
:where(.siu-wrap) .an-wm .wm{position:absolute;font:800 26px/1 system-ui,sans-serif;color:var(--c);opacity:0;letter-spacing:.06em;animation:siuk-wm 3.6s ease-in-out infinite}
@keyframes siuk-wm{0%,10%{opacity:0;transform:rotate(-35deg) scale(2.2)}30%,75%{opacity:.55;transform:rotate(-35deg) scale(1)}95%,100%{opacity:0;transform:rotate(-35deg) scale(1)}}
@media(max-width:900px){.siu-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.siu-filter{flex-direction:column;align-items:stretch}.siu-search{width:100%}.siu-posts{grid-template-columns:1fr}.siu-rot,.siu-rot b{height:1.5em}}
@media(prefers-reduced-motion:reduce){.siu-rot .in{animation:none}.siu-marq div{animation:none}.siu-new{animation:none}:where(.siu-wrap) .an-del .x,:where(.siu-wrap) .an-wm .wm{display:none}:where(.siu-wrap) .an-num .dc:before{scale:1}}

/* ===== v2.1: panels, stage, organize, forms, generic art ===== */
.siu-panel:empty{display:none}.siu-panel{margin-top:18px}
.siu-btn.sm{padding:8px 14px;font-size:14px;margin-top:0;border-radius:10px}
.siu-code{width:100%;min-height:200px;padding:12px;border:1px solid #cbd5e1;border-radius:12px;font:14px/1.5 ui-monospace,Menlo,Consolas,monospace}
.siu-pbar{display:flex;flex-wrap:wrap;gap:14px;align-items:end;margin:12px 0}
.siu-pbar label{display:flex;flex-direction:column;gap:4px;font-size:13.5px;font-weight:700}
.siu-pbar input,.siu-pbar select{padding:9px;border:1px solid #cbd5e1;border-radius:9px;font-size:14px}
.siu-pbar .nav{margin-left:auto;display:flex;gap:10px;align-items:center}
.siu-stage{position:relative;margin:10px auto;max-width:100%;background:#fff;box-shadow:0 8px 28px rgba(15,23,42,.18);border-radius:6px;overflow:hidden;line-height:0}
.siu-stage canvas{display:block}
.siu-ov{position:absolute;inset:0;cursor:crosshair;line-height:1}
.siu-ov.rd{touch-action:none}
.siu-it{position:absolute;cursor:move;touch-action:none;user-select:none}
.siu-it-t{white-space:nowrap;line-height:1;padding:1px 2px;outline:1px dashed rgba(37,99,235,.5)}
.siu-it-s img{display:block;pointer-events:none}
.siu-it-r{background:#000;opacity:.88}
.siu-x{position:absolute;top:-11px;right:-11px;width:22px;height:22px;border-radius:50%;border:0;background:#ef4444;color:#fff;font-size:15px;line-height:1;cursor:pointer;display:none;padding:0}
.siu-it:hover .siu-x{display:block}
.siu-sigwrap{margin:12px 0}
:where(.siu-wrap) .sigpad{width:100%;max-width:520px;height:auto;aspect-ratio:520/170;background:#fff;border:2px dashed #94a3b8;border-radius:12px;touch-action:none;cursor:crosshair;display:block}
.siu-sigctl{display:flex;flex-wrap:wrap;gap:14px;align-items:end;margin-top:8px}
.siu-sigctl label{display:flex;flex-direction:column;gap:4px;font-size:13.5px;font-weight:700}
.siu-org{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-top:10px}
.siu-op{position:relative;border:1px solid #e2e8f0;border-radius:12px;background:#f8fafc;padding:8px;text-align:center;overflow:hidden}
.siu-op img{width:100%;height:130px;object-fit:contain;background:#fff;border-radius:6px;transition:transform .25s}
.siu-op .blank{height:130px;display:grid;place-items:center;background:#fff;border-radius:6px;color:#94a3b8;font-weight:700}
.siu-op .no{position:absolute;top:6px;left:6px;background:#1c2530;color:#fff;border-radius:99px;font-size:11px;padding:2px 8px}
.siu-op .ctl{display:flex;justify-content:center;gap:4px;margin-top:6px}
.siu-op .ctl button{border:1px solid #cbd5e1;background:#fff;border-radius:6px;cursor:pointer;padding:3px 7px;font-size:13px}
.siu-op .ctl button:hover{border-color:var(--c)}
.siu-op.add{display:grid;place-items:center;font-size:30px;cursor:pointer;color:var(--c);min-height:190px;border:2px dashed var(--c);background:none}
.siu-op.add small{font-size:12px;font-weight:700}
.siu-forms{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.siu-forms label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:700;word-break:break-word}
.siu-forms input[type=text],.siu-forms select{padding:9px;border:1px solid #cbd5e1;border-radius:9px;font-size:14px}
.siu-forms input[type=checkbox]{width:22px;height:22px}
.siu-diff{margin-top:14px;text-align:left;max-height:420px;overflow:auto;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:12px}
.siu-diff .df{padding:3px 8px;margin:2px 0;font-size:14px;line-height:1.45;border-radius:4px}
.siu-diff .d{background:#fee2e2}.siu-diff .a{background:#dcfce7}
:where(.siu-wrap) .an-gen{position:relative;height:250px;display:grid;place-items:center}
:where(.siu-wrap) .an-gen .g{font-size:76px;width:150px;height:150px;border-radius:38px;display:grid;place-items:center;background:#fff;border:1px solid color-mix(in srgb,var(--c) 30%,#fff);box-shadow:0 20px 44px color-mix(in srgb,var(--c) 28%,transparent);animation:siuBob 3.4s ease-in-out infinite}
:where(.siu-wrap) .an-gen .o{position:absolute;width:16px;height:16px;border-radius:50%;background:var(--c);left:50%;top:50%;margin:-8px;animation:siuk-orb 6s linear infinite;opacity:.8}
:where(.siu-wrap) .an-gen .o2{animation-delay:-2s;width:11px;height:11px;margin:-5px}:where(.siu-wrap) .an-gen .o3{animation-delay:-4s;width:13px;height:13px;margin:-6px}
@keyframes siuk-orb{from{transform:rotate(0) translateX(112px) rotate(0)}to{transform:rotate(360deg) translateX(112px) rotate(-360deg)}}
@media(max-width:600px){.siu-pbar .nav{margin-left:0}.siu-org{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}
@media(prefers-reduced-motion:reduce){:where(.siu-wrap) .an-gen .g,:where(.siu-wrap) .an-gen .o{animation:none}}

/* ===== v2.2: orbit hero, rotator, dotted band ===== */
.siu-band{background:radial-gradient(rgba(28,37,48,.07) 1px,transparent 1.3px) 0 0/22px 22px,radial-gradient(620px 320px at 92% 0%,color-mix(in srgb,var(--c) 18%,transparent),transparent),radial-gradient(520px 320px at 0% 100%,rgba(37,99,235,.10),transparent),linear-gradient(180deg,#fff7f0,#fff)}
.siu-rot{position:relative;display:inline-block;height:1.5em;overflow:hidden;vertical-align:bottom;transition:width .45s cubic-bezier(.3,1.2,.4,1)}
.siu-rot b{position:absolute;left:0;top:0;display:block;height:1.5em;line-height:1.5em;white-space:nowrap;opacity:0;transform:translateY(100%);transition:transform .5s cubic-bezier(.3,1.1,.4,1),opacity .4s}
.siu-rot b.on{opacity:1;transform:none}.siu-rot b.out{opacity:0;transform:translateY(-100%)}
.siu-orb{container-type:inline-size;position:relative;width:min(440px,100%);aspect-ratio:1;margin:0 auto;transform:perspective(1100px) rotateY(var(--tx,0deg)) rotateX(var(--ty,0deg))}
.siu-orb:before{content:"";position:absolute;inset:16%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--c) 26%,transparent),transparent 68%);animation:siuGlow 4s ease-in-out infinite}
@keyframes siuGlow{50%{transform:scale(1.18);opacity:.6}}
.siu-orb .ring{position:absolute;border-radius:50%;border:1.5px dashed color-mix(in srgb,var(--c) 38%,transparent);animation:siuSpin 46s linear infinite}
.siu-orb .r1{inset:3%}.siu-orb .r2{inset:19%;animation-direction:reverse;animation-duration:32s;border-style:solid;border-color:color-mix(in srgb,var(--c) 16%,transparent)}
@keyframes siuSpin{to{transform:rotate(360deg)}}
.siu-orb .pulse{position:absolute;left:50%;top:50%;width:30%;aspect-ratio:1;border-radius:50%;border:2px solid var(--c);opacity:0;animation:siuPulse 3.6s ease-out infinite}
.siu-orb .p2{animation-delay:-1.8s}
@keyframes siuPulse{0%{transform:translate(-50%,-50%) scale(.7);opacity:.6}100%{transform:translate(-50%,-50%) scale(3);opacity:0}}
.siu-orb .sat{position:absolute;inset:0;animation:siuSpin 38s linear infinite}
.siu-orb .b{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px;text-decoration:none!important;transform:rotate(var(--a)) translateY(-170px) rotate(calc(var(--a)*-1));transform:rotate(var(--a)) translateY(-41cqw) rotate(calc(var(--a)*-1))}
.siu-orb .i{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:100%;height:100%;border-radius:18px;background:#fff;border:1px solid #e7e2dc;border-top:4px solid var(--k);box-shadow:0 12px 28px rgba(28,37,48,.14);animation:siuSpin 38s linear infinite reverse;transition:scale .2s,box-shadow .2s}
.siu-orb .i em{font-style:normal;font-size:22px;line-height:1}.siu-orb .i strong{font-size:11px;letter-spacing:.05em;color:#1c2530}
.siu-orb .b:hover .i{scale:1.15;box-shadow:0 18px 36px rgba(28,37,48,.24)}
.siu-orb:hover .sat,.siu-orb:hover .sat .i{animation-play-state:paused}
.siu-orb .core{position:absolute;left:50%;top:50%;width:150px;width:30cqw;transform:translate(-50%,-56%);z-index:2}
.siu-orb .doc{position:relative;aspect-ratio:3/4;border-radius:14px;background:linear-gradient(var(--c),var(--c)) 14% 12%/32% 5% no-repeat,repeating-linear-gradient(to bottom,#e2e8f0 0 4px,transparent 4px 11px) 14% 30%/72% 58% no-repeat,#fff;border:1px solid #e2e8f0;box-shadow:0 22px 46px color-mix(in srgb,var(--c) 30%,transparent),0 4px 12px rgba(28,37,48,.1);overflow:hidden}
.siu-orb .scan{position:absolute;left:0;right:0;height:28%;background:linear-gradient(transparent,color-mix(in srgb,var(--c) 38%,transparent),transparent);border-bottom:2px solid var(--c);animation:siuScan 2.6s ease-in-out infinite}
@keyframes siuScan{0%{top:-28%}100%{top:100%}}
.siu-orb .tag{position:absolute;right:8px;top:8px;background:var(--c);color:#fff;font:800 10px/1 system-ui,sans-serif;padding:4px 7px;border-radius:6px;letter-spacing:.05em}
.siu-orb .state{position:relative;height:30px;margin-top:16px}
.siu-orb .state span{position:absolute;left:50%;top:0;transform:translateX(-50%);white-space:nowrap;background:#fff;border:1px solid #e7e2dc;border-radius:99px;padding:6px 14px;font:700 13px/1 system-ui,sans-serif;color:#1c2530;box-shadow:0 8px 18px rgba(28,37,48,.12);opacity:0;animation:siuSt 8s ease-in-out infinite}
.siu-orb .state span:nth-child(2){animation-delay:2s}.siu-orb .state span:nth-child(3){animation-delay:4s}.siu-orb .state span:nth-child(4){animation-delay:6s;color:#16a34a}
@keyframes siuSt{0%{opacity:0;transform:translate(-50%,8px)}4%,21%{opacity:1;transform:translate(-50%,0)}25%,100%{opacity:0;transform:translate(-50%,-8px)}}
@media(max-width:900px){.siu-orb{width:min(360px,100%);margin-top:18px}.siu-art{display:none}}
@media(max-width:600px){.siu-orb{width:min(300px,100%)}.siu-orb .b{width:54px;height:54px;margin:-27px}.siu-orb .i em{font-size:18px}.siu-orb .i strong{font-size:10px}}
@media(prefers-reduced-motion:reduce){.siu-orb *,.siu-orb:before{animation:none!important}.siu-orb .state span:first-child{opacity:1}.siu-orb{transform:none}}

/* ===== v2.3: professional category tabs ===== */
.siu-filter{padding:10px;background:#fff;border:1px solid #e7e2dc;border-radius:22px;box-shadow:0 12px 34px rgba(28,37,48,.07);gap:12px;margin-bottom:14px}
.siu-tabs{background:transparent;padding:0;gap:6px;scroll-snap-type:x proximity;flex:1 1 auto;min-width:0}
.siu-tab{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:14px;font-size:14.5px;scroll-snap-align:start;transition:color .25s,background .2s}
.siu-tab .ti{font-size:17px;line-height:1;transition:transform .3s}
.siu-tab:hover .ti{transform:scale(1.25) rotate(-8deg)}
.siu-tab:hover:not(.on){background:#f4f6fa;color:#1c2530}
.siu-tab em{font-style:normal;font-size:12px;font-weight:800;line-height:1;background:#eef1f6;color:#475569;border-radius:99px;padding:3px 8px;transition:background .25s,color .25s}
.siu-tab.on em{background:rgba(255,255,255,.24);color:#fff}
.siu-tab:focus-visible{outline:2px solid var(--pc,#1c2530);outline-offset:2px}
.siu-tabpill{top:0;height:100%;border-radius:14px;background:var(--pc,#1c2530);box-shadow:0 12px 24px color-mix(in srgb,var(--pc,#1c2530) 38%,transparent);transition:transform .45s cubic-bezier(.3,1.2,.4,1),width .45s,background .35s,box-shadow .35s}
.siu-sw{position:relative;display:block}
.siu-sw:before{content:"🔍";position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:15px;pointer-events:none;opacity:.7}
.siu-search{width:250px;padding:12px 38px 12px 40px;border-radius:14px;background:#f8fafc;border:1px solid #e7e2dc;transition:width .25s,background .2s,box-shadow .2s}
.siu-search:focus{width:300px;background:#fff;box-shadow:0 0 0 4px rgba(28,37,48,.07);outline:none;border-color:#1c2530}
.siu-search::-webkit-search-cancel-button{display:none}
.siu-clr{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:24px;height:24px;border:0;border-radius:50%;background:#e2e8f0;color:#334155;cursor:pointer;font-size:16px;line-height:1;padding:0}
.siu-clr[hidden]{display:none}
.siu-count{margin:0 0 16px;font-size:14px;color:var(--mut)}.siu-count b{color:var(--ink)}
@media(max-width:900px){.siu-filter{flex-direction:column;align-items:stretch}.siu-tabs{overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#000 90%,transparent);mask-image:linear-gradient(90deg,#000 90%,transparent);padding-right:24px}.siu-search,.siu-search:focus{width:100%}}
@media(prefers-reduced-motion:reduce){.siu-tab .ti{transition:none}}

/* ===== v2.4: metrics strip ===== */
.siu-metrics{display:grid;grid-template-columns:repeat(4,1fr);margin-top:-46px;position:relative;z-index:2;background:#fff;border:1px solid #e7e2dc;border-radius:26px;box-shadow:0 26px 60px rgba(28,37,48,.13);overflow:hidden}
.siu-stat{position:relative;display:flex;align-items:center;gap:16px;padding:26px 26px;transition:background .25s}
.siu-stat+.siu-stat:before{content:"";position:absolute;left:0;top:24%;bottom:24%;width:1px;background:#e7e2dc}
.siu-stat:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--k);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.siu-stat:hover{background:color-mix(in srgb,var(--k) 5%,#fff)}.siu-stat:hover:after{transform:scaleX(1)}
.siu-sic{flex:none;display:grid;place-items:center;width:56px;height:56px;border-radius:18px;font-style:normal;font-size:27px;line-height:1;background:linear-gradient(135deg,var(--k),color-mix(in srgb,var(--k) 55%,#fff));box-shadow:0 12px 24px color-mix(in srgb,var(--k) 34%,transparent);animation:siuBob 3.4s ease-in-out infinite}
.siu-stat:nth-child(2) .siu-sic{animation-delay:-.8s}.siu-stat:nth-child(3) .siu-sic{animation-delay:-1.6s}.siu-stat:nth-child(4) .siu-sic{animation-delay:-2.4s}
.siu-stat b{display:block;font-family:inherit;font-weight:800;font-size:clamp(28px,3vw,36px);line-height:1.05;letter-spacing:-.02em;color:#1c2530;font-variant-numeric:lining-nums tabular-nums}
.siu-stat .lb{display:block;margin-top:4px;font-size:13.5px;line-height:1.3;color:var(--mut);font-weight:600}
@media(max-width:900px){.siu-metrics{grid-template-columns:repeat(2,1fr);margin-top:-30px}.siu-stat+.siu-stat:before{display:none}.siu-stat{padding:20px}.siu-stat:nth-child(odd){border-right:1px solid #e7e2dc}.siu-stat:nth-child(-n+2){border-bottom:1px solid #e7e2dc}}
@media(max-width:480px){.siu-stat{flex-direction:column;align-items:flex-start;gap:10px;padding:16px}.siu-sic{width:46px;height:46px;font-size:22px;border-radius:14px}}
@media(prefers-reduced-motion:reduce){.siu-sic{animation:none}}

/* ===== v2.5: underline tabs + open metrics ===== */
.siu-filter{display:flex;flex-wrap:nowrap;align-items:flex-end;justify-content:space-between;gap:20px;padding:0;background:none;border:0;border-bottom:2px solid #e7e2dc;border-radius:0;box-shadow:none;margin-bottom:16px}
.siu-tabs{flex:1 1 auto;min-width:0;display:flex;gap:4px;padding:0 0 0;margin-bottom:-2px;background:none;border-radius:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
.siu-tabs::-webkit-scrollbar{display:none}
.siu-tab{display:inline-flex;align-items:center;gap:9px;padding:14px 16px 16px;border-radius:0;background:none!important;color:#64748b;font-size:15px;font-weight:700}
.siu-tab:hover:not(.on){color:#1c2530;background:none}
.siu-tab.on{color:var(--pc,#1c2530)}
.siu-tab .ti{font-size:18px;filter:grayscale(.85);opacity:.75;transition:transform .3s,filter .25s,opacity .25s}
.siu-tab.on .ti,.siu-tab:hover .ti{filter:none;opacity:1}
.siu-tab em{background:none;padding:0;font-size:12.5px;font-weight:700;color:#94a3b8;position:relative;top:-5px;margin-left:-3px;transition:color .25s}
.siu-tab.on em{background:none;color:var(--pc,#1c2530)}
.siu-tabpill{top:auto;bottom:0;left:0;height:3px;border-radius:3px 3px 0 0;background:var(--pc,#1c2530);box-shadow:0 -4px 14px color-mix(in srgb,var(--pc,#1c2530) 55%,transparent)}
.siu-sw{margin-bottom:9px;flex:none}
.siu-search{width:230px;background:#fff;border:1px solid #dfe3ea;border-radius:99px;padding:11px 38px 11px 40px}
.siu-search:focus{width:280px;border-color:var(--pc,#1c2530);box-shadow:0 0 0 4px color-mix(in srgb,var(--pc,#1c2530) 14%,transparent)}
@media(max-width:900px){.siu-filter{flex-direction:column;align-items:stretch;gap:12px;border-bottom:0}.siu-sw{order:-1;margin:0}.siu-search,.siu-search:focus{width:100%}.siu-tabs{border-bottom:2px solid #e7e2dc;margin-bottom:0;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent);padding-right:30px}.siu-tabpill{bottom:0}}
/* open metrics row (no box) */
.siu-metrics{margin-top:34px;background:none;border:0;border-radius:0;box-shadow:none;overflow:visible;gap:0}
.siu-stat{display:block;padding:6px 28px;border-left:1px solid #e3e6ec;background:none!important}
.siu-stat:first-child{padding-left:0;border-left:0}
.siu-stat:before{content:"";display:block;width:34px;height:4px;border-radius:4px;background:var(--k);margin-bottom:14px;transition:width .4s}
.siu-stat+.siu-stat:before{position:static;width:34px;height:4px;top:auto;bottom:auto;left:auto}
.siu-stat:hover:before,.siu-stat+.siu-stat:hover:before{width:64px}
.siu-stat:after{display:none}
.siu-stat b{font-size:clamp(34px,4.2vw,52px);font-weight:800;letter-spacing:-.03em;line-height:1;background:linear-gradient(135deg,#1c2530 30%,var(--k));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.siu-stat .lb{margin-top:10px;font-size:12.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#64748b}
.siu-stat .siu-sic{position:absolute;right:20px;top:10px;width:auto;height:auto;background:none;box-shadow:none;border-radius:0;font-size:30px;opacity:.16;animation:none}
.siu-stat{position:relative}
@media(max-width:900px){.siu-metrics{grid-template-columns:repeat(2,1fr);margin-top:26px;row-gap:22px}.siu-stat{padding:4px 18px;border:0;border-left:1px solid #e3e6ec}.siu-stat:nth-child(odd){border-left:0;padding-left:0;border-right:0}.siu-stat:nth-child(-n+2){border-bottom:0}.siu-stat .siu-sic{right:8px}}
@media(max-width:480px){.siu-stat{flex-direction:initial;padding:4px 12px}.siu-stat:nth-child(odd){padding-left:0}.siu-stat .lb{font-size:11.5px}}

.siu-in>.siu-marq:first-child{margin-top:34px}

/* ===== v2.7: pill chips (ilovepdf-like), sliding colour highlight ===== */
.siu-filter{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 22px;padding:0;margin:0 0 18px;border:0;border-radius:0;background:none;box-shadow:none}
.siu-tabs{position:relative;flex:1 1 auto;min-width:0;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;overflow:visible;background:none;border-radius:0;-webkit-mask-image:none;mask-image:none}
.siu-tab{position:relative;z-index:1;flex:none;display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border:1px solid #d9dee7!important;border-radius:99px;background:#fff!important;color:#1c2530;font-size:15px;font-weight:700;line-height:1.2;box-shadow:0 1px 2px rgba(28,37,48,.05);transition:color .25s,border-color .25s,box-shadow .25s,transform .2s,background .2s}
.siu-tab .ti{font-size:17px;filter:none;opacity:1}
.siu-tab em{position:static;margin:0;top:auto;font-style:normal;font-size:12px;font-weight:800;line-height:1;color:#64748b;background:#f1f4f8;border-radius:99px;padding:3px 8px;transition:background .25s,color .25s}
.siu-tab:hover:not(.on){transform:translateY(-2px);border-color:var(--tc,#1c2530)!important;color:var(--tc,#1c2530);box-shadow:0 10px 20px color-mix(in srgb,var(--tc,#1c2530) 20%,transparent)}
.siu-tab:hover:not(.on) em{background:color-mix(in srgb,var(--tc,#1c2530) 12%,#fff);color:var(--tc,#1c2530)}
.siu-tab:active{transform:scale(.97)}
.siu-tab.on{background:transparent!important;border-color:transparent!important;color:#fff;box-shadow:none;transform:none}
.siu-tab.on em{background:rgba(255,255,255,.26);color:#fff}
.siu-tabpill{position:absolute;z-index:0;left:0;top:0;bottom:auto;width:90px;height:44px;border-radius:99px;background:linear-gradient(135deg,var(--pc,#1c2530),color-mix(in srgb,var(--pc,#1c2530) 72%,#000));box-shadow:0 12px 24px color-mix(in srgb,var(--pc,#1c2530) 38%,transparent);transition:transform .5s cubic-bezier(.3,1.2,.4,1),width .5s cubic-bezier(.3,1.2,.4,1),height .3s,background .35s,box-shadow .35s}
.siu-sw{margin:0;flex:none}
.siu-search{width:240px;background:#fff;border:1px solid #d9dee7;border-radius:99px;padding:12px 38px 12px 42px}
.siu-search:focus{width:290px;border-color:var(--pc,#1c2530);box-shadow:0 0 0 4px color-mix(in srgb,var(--pc,#1c2530) 14%,transparent)}
@media(max-width:1000px){.siu-filter{flex-direction:column;align-items:stretch;gap:12px}.siu-sw{order:-1}.siu-search,.siu-search:focus{width:100%}}
@media(max-width:700px){
 .siu-tabs{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x proximity;padding:6px 36px 14px 2px;margin:-6px 0 -8px;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 86%,transparent);mask-image:linear-gradient(90deg,#000 86%,transparent)}
 .siu-tab{scroll-snap-align:start;padding:10px 16px;font-size:14px}
}
@media(prefers-reduced-motion:reduce){.siu-tabpill{transition:none}.siu-tab:hover:not(.on){transform:none}}

/* ===== v2.8: dual-direction fast ribbon ===== */
.siu-mq{margin:38px 0 6px;display:flex;flex-direction:column;gap:12px}
.siu-mq .mrow{display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent)}
.siu-mq .mt{flex:none;display:flex;gap:12px;padding-right:12px;animation:siuMq2 16s linear infinite;will-change:transform}
.siu-mq .r2 .mt{animation-duration:34s;animation-direction:reverse}
.siu-mq .mrow:hover .mt{animation-play-state:paused}
@keyframes siuMq2{to{transform:translateX(-100%)}}
.siu-mq .mc{display:inline-flex;align-items:center;gap:9px;padding:10px 20px;border-radius:99px;font-weight:800;font-size:14px;letter-spacing:.05em;white-space:nowrap;color:var(--k);background:color-mix(in srgb,var(--k) 11%,#fff);border:1px solid color-mix(in srgb,var(--k) 30%,#fff);box-shadow:0 6px 14px color-mix(in srgb,var(--k) 12%,transparent)}
.siu-mq .mc i{width:9px;height:9px;border-radius:50%;background:var(--k);box-shadow:0 0 0 4px color-mix(in srgb,var(--k) 22%,transparent)}
.siu-mq .mc.t{letter-spacing:0;font-weight:700;font-size:14.5px;color:#1c2530;background:#fff;border-color:#e3e6ec;box-shadow:0 2px 6px rgba(28,37,48,.05)}
.siu-mq .mc.t em{font-style:normal;display:grid;place-items:center;width:28px;height:28px;border-radius:9px;font-size:15px;background:color-mix(in srgb,var(--k) 14%,#fff)}
@media(max-width:600px){.siu-mq .mc{padding:8px 15px;font-size:13px}.siu-mq .mc.t{font-size:13.5px}.siu-mq .mt{animation-duration:12s}.siu-mq .r2 .mt{animation-duration:26s}}
@media(prefers-reduced-motion:reduce){.siu-mq .mt{animation:none}}

/* ===== v3.0: category tabs as a 4 x 2 grid ===== */
.siu-filter{flex-direction:column;align-items:stretch;gap:16px}
.siu-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;flex:none;overflow:visible;padding:0;margin:0;-webkit-mask-image:none;mask-image:none}
.siu-tab{width:100%;justify-content:flex-start;padding:13px 18px;min-width:0}
.siu-tab .tl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.siu-tab em{margin-left:auto}
.siu-tabpill{border-radius:99px}
.siu-sw{order:0;align-self:flex-start}
@media(max-width:1000px){.siu-sw{order:0;align-self:stretch}}
@media(max-width:820px){.siu-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}
@media(max-width:700px){.siu-tabs{display:grid;flex-wrap:initial;overflow:visible;padding:0;margin:0;-webkit-mask-image:none;mask-image:none}.siu-tab{padding:11px 14px;font-size:14px;gap:8px}}
@media(max-width:360px){.siu-tab{padding:10px 11px;font-size:13px}.siu-tab .ti{font-size:15px}}

/* ===== v3.0: hub blog section ===== */
.siu-bsec{scroll-margin-top:90px}
.siu-bhead{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.siu-bhead .siu-sub{margin-bottom:0}
.siu-bsw{position:relative;display:block}
.siu-bsw:before{content:"🔍";position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:15px;pointer-events:none;opacity:.7}
.siu-bq{width:260px;box-sizing:border-box;font:inherit;font-size:15px;color:#1c2530;background:#fff;border:1px solid #d9dee7;border-radius:99px;padding:12px 18px 12px 42px;outline:0;transition:border-color .2s,box-shadow .2s}
.siu-bq:focus{border-color:#b5441a;box-shadow:0 0 0 4px rgba(181,68,26,.13)}
.siu-bchips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}
.siu-bchip{font:inherit;font-size:14px;font-weight:700;color:#475569;background:#fff;border:1px solid #d9dee7;border-radius:99px;padding:8px 14px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:background .2s,color .2s,border-color .2s,transform .15s}
.siu-bchip em{font-style:normal;font-size:11.5px;font-weight:800;background:#f1f4f8;color:#64748b;border-radius:99px;padding:2px 7px}
.siu-bchip:hover{border-color:#1c2530;color:#1c2530}
.siu-bchip:active{transform:scale(.96)}
.siu-bchip.on{background:#1c2530;border-color:#1c2530;color:#fff}
.siu-bchip.on em{background:rgba(255,255,255,.22);color:#fff}
.siu-bchip:focus-visible,.siu-bmorebtn:focus-visible,.siu-bcard:focus-visible{outline:2px solid #b5441a;outline-offset:3px}
.siu-blist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.siu-bcard{display:flex;flex-direction:column;background:#fff;border:1px solid #e7e2dc;border-radius:20px;overflow:hidden;color:#1c2530;text-decoration:none!important;transition:transform .2s,box-shadow .2s,border-color .2s}
.siu-bcard[hidden],.siu-bmore[hidden],.siu-bempty[hidden]{display:none!important}
.siu-bcard:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--k) 35%,#e7e2dc);box-shadow:0 18px 40px rgba(28,37,48,.12)}
.siu-bth{position:relative;display:block;aspect-ratio:16/9;background:center/cover no-repeat #eef1f6;overflow:hidden;transition:transform .5s}
.siu-bart{display:grid;place-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--k) 16%,#fff),color-mix(in srgb,var(--k) 38%,#fff))}
.siu-bart em{position:relative;z-index:1;font-style:normal;font-size:44px;width:84px;height:84px;display:grid;place-items:center;background:#fff;border-radius:24px;box-shadow:0 14px 30px color-mix(in srgb,var(--k) 30%,transparent);transition:transform .4s cubic-bezier(.3,1.4,.5,1)}
.siu-bart i{position:absolute;border-radius:50%;border:2px solid color-mix(in srgb,var(--k) 30%,transparent)}
.siu-bart i:nth-child(1){width:180px;height:180px;right:-50px;top:-60px}
.siu-bart i:nth-child(2){width:120px;height:120px;left:-30px;bottom:-50px}
.siu-bcard:hover .siu-bart em{transform:translateY(-4px) rotate(-6deg) scale(1.06)}
.siu-bbd{display:flex;flex-direction:column;gap:9px;padding:18px 20px 20px;flex:1}
.siu-bmeta{display:flex;gap:8px;flex-wrap:wrap}
.siu-btag{font-size:12px;font-weight:800;color:var(--k);background:color-mix(in srgb,var(--k) 11%,#fff);border-radius:99px;padding:3px 10px}
.siu-btype{font-size:12px;font-weight:700;color:#64748b;border:1px solid #e3e6ec;border-radius:99px;padding:2px 9px}
.siu-btype.art{color:#b5441a;border-color:#f2c9b6;background:#fff7f2}
.siu-bbd strong{font-size:18px;line-height:1.35;color:#1c2530}
.siu-bex{font-size:14.5px;line-height:1.55;color:#5a6472;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.siu-bft{margin-top:auto;padding-top:8px;display:flex;align-items:center;gap:12px;font-size:13px;color:#94a3b8;font-weight:600}
.siu-bgo{margin-left:auto;color:#b5441a;font-weight:800}
.siu-bgo b{display:inline-block;transition:transform .2s}
.siu-bcard:hover .siu-bgo b{transform:translateX(4px)}
.siu-bcard.is-feat{grid-column:1/-1;flex-direction:row}
.siu-bcard.is-feat .siu-bth{flex:0 0 50%;aspect-ratio:auto;min-height:280px}
.siu-bcard.is-feat .siu-bbd{padding:32px 36px;justify-content:center;gap:12px}
.siu-bcard.is-feat strong{font-family:"Source Serif 4","Source Serif Pro",Georgia,serif;font-size:clamp(24px,2.6vw,32px);line-height:1.2}
.siu-bcard.is-feat .siu-bex{font-size:16px;-webkit-line-clamp:4}
.siu-bcard.is-feat .siu-bart em{font-size:64px;width:120px;height:120px;border-radius:32px}
.siu-bcard.is-feat .siu-bft{margin-top:8px}
.siu-bcard.is-feat .siu-bmeta:before{content:"★ Featured";font-size:12px;font-weight:800;color:#fff;background:#1c2530;border-radius:99px;padding:3px 10px}
.siu-bin{animation:siuBin .45s cubic-bezier(.2,.9,.3,1) both}
@keyframes siuBin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.siu-bempty{text-align:center;padding:36px 16px;color:#5a6472;border:1px dashed #d9dee7;border-radius:18px;margin:0}
.siu-bmore{text-align:center;margin-top:28px}
.siu-bmorebtn{font:inherit;font-size:15px;font-weight:800;color:#1c2530;background:#fff;border:1.5px solid #1c2530;border-radius:99px;padding:13px 26px;cursor:pointer;transition:background .2s,color .2s,transform .15s}
.siu-bmorebtn span{font-weight:600;opacity:.7}
.siu-bmorebtn:hover{background:#1c2530;color:#fff}
.siu-bmorebtn:active{transform:scale(.97)}
@media(max-width:980px){.siu-blist{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.siu-bcard.is-feat{flex-direction:column}.siu-bcard.is-feat .siu-bth{flex:none;aspect-ratio:16/9;min-height:0}.siu-bcard.is-feat .siu-bbd{padding:20px}}
@media(max-width:620px){.siu-blist{grid-template-columns:1fr}.siu-bhead{align-items:stretch}.siu-bsw,.siu-bq{width:100%}.siu-bchips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-right:-16px;padding-right:16px}.siu-bchips::-webkit-scrollbar{display:none}.siu-bchip{flex:none}}
@media(prefers-reduced-motion:reduce){.siu-bin{animation:none}.siu-bcard,.siu-bart em,.siu-bgo b{transition:none}}
.siu-tabs{border:0!important}
@media(max-width:700px){.siu-tab{align-items:center;padding:10px 12px;line-height:1.2}.siu-tab .tl{white-space:normal;overflow:visible;text-overflow:clip;text-align:left}.siu-tab em{flex:none}}
.siu-btag{color:var(--tc,var(--k));background:color-mix(in srgb,var(--tc,var(--k)) 11%,#fff)}

/* ===== v3.1: tabs without numbers, centred; wide centred search ===== */
.siu-tab{justify-content:center;text-align:center}
.siu-tab .tl{text-align:center}
.siu-tab em{display:none}
.siu-filter .siu-sw{align-self:center;width:calc(50% - 6px);max-width:none;order:0}
.siu-filter .siu-search,.siu-filter .siu-search:focus{width:100%;box-sizing:border-box;font-size:16px;padding:16px 46px 16px 48px;border-radius:99px}
.siu-filter .siu-sw:before{left:18px;font-size:17px}
.siu-filter .siu-clr{right:12px}
.siu-count{text-align:center}
@media(max-width:820px){.siu-filter .siu-sw{width:100%}}
@media(max-width:700px){.siu-tab{justify-content:center}.siu-tab .tl{text-align:center}}

/* ===== v3.1: common blog (hub section, tool pages, Blogs page) ===== */
.siu-bhead{align-items:flex-end}
.siu-bsee{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:15px;color:#1c2530!important;text-decoration:none!important;background:#fff;border:1.5px solid #1c2530;border-radius:99px;padding:11px 20px;transition:background .2s,color .2s,transform .15s;white-space:nowrap}
.siu-bsee b,.siu-bmorebtn b{display:inline-block;transition:transform .2s}
.siu-bsee:hover{background:#1c2530;color:#fff!important}
.siu-bsee:hover b,.siu-bmorebtn:hover b{transform:translateX(4px)}
a.siu-bmorebtn{display:inline-flex;align-items:center;gap:6px;text-decoration:none!important;color:#1c2530}
a.siu-bmorebtn:hover{color:#fff}
.siu-bmeta:empty{display:none}
.siu-bcard.is-feat .siu-bmeta:empty{display:flex}
a.siu-bchip{text-decoration:none!important}
.siu-bhero{max-width:780px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.siu-bhero .siu-lead{margin-left:auto;margin-right:auto}
.siu-bform{display:flex;gap:8px;width:100%;max-width:560px;margin-top:22px;background:#fff;border:1px solid #d9dee7;border-radius:99px;padding:6px;box-shadow:0 14px 34px rgba(28,37,48,.08);transition:border-color .2s,box-shadow .2s}
.siu-bform:focus-within{border-color:#b5441a;box-shadow:0 0 0 4px rgba(181,68,26,.12),0 14px 34px rgba(28,37,48,.08)}
.siu-bform input{flex:1;min-width:0;border:0!important;outline:0;background:transparent;font:inherit;font-size:16px;color:#1c2530;padding:10px 16px;box-shadow:none!important}
.siu-bform button{flex:none;border:0;border-radius:99px;background:#1c2530;color:#fff;font:inherit;font-weight:800;font-size:15px;padding:11px 24px;cursor:pointer;transition:background .2s}
.siu-bform button:hover{background:#b5441a}
.siu-blogpage .siu-bchips{justify-content:center}
.siu-bres{margin:0 0 18px;color:#5a6472;text-align:center}.siu-bres a{margin-left:8px;color:#b5441a;font-weight:700}
.siu-bpages{margin-top:34px;display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.siu-bpages .page-numbers{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 14px;box-sizing:border-box;border:1px solid #d9dee7;border-radius:99px;background:#fff;color:#1c2530;font-weight:700;text-decoration:none!important;transition:border-color .2s,background .2s,color .2s}
.siu-bpages a.page-numbers:hover{border-color:#1c2530}
.siu-bpages .page-numbers.current{background:#1c2530;border-color:#1c2530;color:#fff}
.siu-bpages .page-numbers.dots{border:0;background:none}
@media(max-width:620px){.siu-bhead .siu-bsee{display:none}.siu-bform button{padding:11px 16px}.siu-blogpage .siu-bchips{justify-content:flex-start}}
.siu-bcard .siu-btag{color:#b5441a;background:#fff1ea}

/* ===== v3.4: hub search on top, no sub line / count ===== */
.siu-choose>h2{margin-bottom:20px;text-align:center}
.siu-choose .siu-filter{flex-direction:column;align-items:stretch;gap:18px}
.siu-choose .siu-filter .siu-sw{order:-1;align-self:center;width:min(640px,100%)}
.siu-count{display:none!important}

/* ===== v3.4: same-size file cards in every tool ===== */
.siu-files{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;align-items:stretch}
.siu-file{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:12px;min-width:0;height:100%}
.siu-file img,.siu-file .ph{flex:none;display:grid;place-items:center;width:100%;height:150px;margin:0;object-fit:contain;background:#fff;border:1px solid #edf0f4;border-radius:10px;font-size:34px}
.siu-file .n{flex:none;margin-top:10px;height:2.7em;line-height:1.35;font-size:13px;font-weight:600;color:#1c2530;text-align:center;word-break:break-word;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;max-height:none}
.siu-file .s{flex:none;margin:4px 0 12px;min-height:1.4em;line-height:1.4;font-size:12px;color:#64748b;text-align:center;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.siu-file .pvb{display:flex!important;align-items:center;justify-content:center;gap:7px;width:100%;height:40px;margin:auto 0 0!important;padding:0 10px!important;box-sizing:border-box;border:1px solid #cbd5e1;background:#fff;border-radius:10px;font:600 14px/1 inherit;font-family:inherit;color:#1c2530;cursor:pointer;text-transform:none;letter-spacing:0;box-shadow:none}
.siu-file .pvb span{display:inline-block;line-height:1}
.siu-file .pvb:hover{border-color:var(--c);color:var(--c);background:#fff}
.siu-file .mv{flex:none;display:flex;justify-content:center;gap:8px;margin:10px 0 0}
.siu-file .mv button{display:grid;place-items:center;width:44px;height:34px;padding:0!important;margin:0;border:1px solid #cbd5e1;background:#fff;border-radius:8px;font:600 16px/1 inherit;font-family:inherit;color:#1c2530;cursor:pointer;box-shadow:none}
.siu-file .mv button:hover{border-color:var(--c);color:var(--c)}
.siu-file .x{display:grid;place-items:center;padding:0;z-index:2;font-size:17px}
.siu-files.solo{grid-template-columns:minmax(0,300px)}
.siu-files.solo .siu-file img,.siu-files.solo .siu-file .ph{height:260px}
@media(max-width:600px){.siu-files{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.siu-file img,.siu-file .ph{height:130px}.siu-files.solo{grid-template-columns:1fr}}

/* ===== v3.4: Download / Preview / Copy on one line ===== */
.siu-res h3{text-align:center}
.siu-acts{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-top:16px}
.siu-acts .siu-btn{display:inline-flex!important;align-items:center;justify-content:center;gap:8px;height:52px;min-width:170px;margin:0!important;padding:0 26px!important;box-sizing:border-box;border-radius:14px;font:700 16px/1 inherit;font-family:inherit;vertical-align:middle;text-decoration:none!important;white-space:nowrap}
.siu-acts .siu-btn span{display:inline-block;line-height:1}
.siu-acts .siu-btn.ghost{border:1px solid #d5dbe4}
@media(max-width:600px){.siu-acts{flex-direction:column;align-items:stretch;gap:10px}.siu-acts .siu-btn{width:100%;min-width:0}}

/* ===== v3.5: PDF Tools Blogs — equal 3-column cards, See more beside heading ===== */
.siu-bsec .siu-bhead{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:nowrap;gap:16px}
.siu-bsec .siu-bhead>div{min-width:0}
.siu-blist{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}
.siu-blist .siu-bcard{height:100%}
.siu-bcard .siu-bbd strong{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.siu-bcard .siu-bft{margin-top:auto}
@media(max-width:980px){.siu-blist{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.siu-blist{grid-template-columns:1fr}.siu-bsec .siu-bhead{align-items:center}.siu-bhead .siu-bsee{display:inline-flex;padding:9px 16px;font-size:14px}}

/* multi-file support */
.siu-fsw{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 4px}.siu-fsw[hidden],.siu-fpanel[hidden]{display:none}.siu-fl{font-weight:700;font-size:14px}
.siu-fb{border:1px solid #d9dee5;background:#fff;color:inherit;border-radius:99px;padding:6px 12px;font-size:13px;font-weight:600;cursor:pointer;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.siu-fb.on{background:var(--c);border-color:var(--c);color:#fff}
.siu-batch{display:grid;gap:8px;margin-top:14px}.siu-brow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;padding:8px 10px;border:1px solid #e5e9ee;border-radius:10px;background:#fff}.siu-brow .n{flex:1 1 200px;min-width:0;overflow-wrap:anywhere;font-size:14px}

/* HTML to PDF */
.siu-url{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:12px;font-size:15px;margin-bottom:12px}
/* v3.7.0 — preview for every result type */
.siu-pvback{display:inline-flex;align-items:center;gap:6px;margin:0 0 12px;border:0;background:#fff;color:#1c2530;font-weight:700;font-size:14px;padding:9px 14px;border-radius:10px;cursor:pointer;box-shadow:0 2px 8px rgba(15,23,42,.08)}
.siu-pre{max-width:860px;margin:0 auto;background:#fff;border-radius:8px;padding:20px;white-space:pre-wrap;word-break:break-word;font:13.5px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#1c2530}
.siu-doc pre{background:#f1f5f9;padding:12px;border-radius:8px;overflow:auto;font-size:13px}
.siu-doc code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:.92em}
.siu-doc blockquote{margin:8px 0;padding:6px 14px;border-left:4px solid #cbd5e1;color:#475569}
.siu-mdrow{display:flex;border-bottom:1px solid #e2e8f0}.siu-mdrow span{flex:1;padding:6px 8px;font-size:14px}
.siu-sheetwrap{max-width:100%}
.siu-sheettabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 auto 10px;max-width:860px}
.siu-sheettab{border:1px solid #cbd5e1;background:#fff;border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:600;cursor:pointer;color:#1c2530}
.siu-sheettab.on{background:#1c2530;border-color:#1c2530;color:#fff}
.siu-sheet{background:#fff;border-radius:8px;overflow:auto;max-width:100%}
.siu-sheet table{border-collapse:collapse;font-size:13px;min-width:100%}
.siu-sheet td,.siu-sheet th{border:1px solid #e2e8f0;padding:6px 10px;white-space:nowrap;color:#1c2530}
.siu-sheet tr:first-child td{background:#f8fafc;font-weight:700}
.siu-slides{display:grid;gap:16px;max-width:860px;margin:0 auto}
.siu-slide{position:relative;aspect-ratio:16/9;background:#fff;border-radius:8px;box-shadow:0 4px 16px rgba(15,23,42,.14);overflow:hidden;display:flex;align-items:center;justify-content:center}
.siu-slide img{width:100%;height:100%;object-fit:contain;display:block}
.siu-slide .tx{padding:6% 8%;width:100%;overflow:auto;max-height:100%;box-sizing:border-box}
.siu-slide .tx h3{margin:0 0 10px;font-size:clamp(16px,3vw,26px)}.siu-slide .tx p{margin:4px 0;font-size:clamp(12px,1.8vw,16px);color:#334155}
.siu-slide .no{position:absolute;top:8px;left:8px;background:rgba(15,23,42,.72);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;z-index:1}
.siu-hframe{display:block;width:100%;max-width:900px;height:calc(100% - 4px);min-height:60vh;margin:0 auto;border:0;border-radius:8px;background:#fff}
.siu-zlist{max-width:860px;margin:0 auto;display:grid;gap:8px}
.siu-zrow{display:flex;align-items:center;gap:8px;background:#fff;border-radius:10px;padding:8px 10px}
.siu-zrow .n{flex:1;min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#1c2530}
.siu-zrow .siu-btn{display:inline-flex;align-items:center;gap:6px;width:auto;padding:8px 12px;font-size:13.5px;margin:0}
.siu-zgrid{max-width:860px;margin:14px auto 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.siu-zgrid img{width:100%;border-radius:6px;background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.1)}
/* v3.7.0 — interactive Crop PDF (iLovePDF-style) */
.siu-crop{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:0;margin:8px 0 4px;border:1px solid #e2e8f0;border-radius:14px;overflow:hidden;background:#fff}
.siu-cropl{background:#eef1f6;padding:20px 14px;display:flex;flex-direction:column;align-items:center;min-width:0}
.siu-cstage{margin:0 auto;touch-action:none}
.siu-cov{position:absolute;inset:0;cursor:crosshair;touch-action:none;user-select:none;-webkit-user-select:none}
.siu-cov.has{background:transparent}
.siu-cbox{position:absolute;outline:2px solid var(--c,#e5322d);box-shadow:0 0 0 9999px rgba(15,23,42,.5);cursor:move;box-sizing:border-box}
.siu-cbox::before,.siu-cbox::after{content:"";position:absolute;pointer-events:none;border:0 dashed rgba(255,255,255,.8)}
.siu-cbox::before{left:33.33%;right:33.33%;top:0;bottom:0;border-left-width:1px;border-right-width:1px}
.siu-cbox::after{top:33.33%;bottom:33.33%;left:0;right:0;border-top-width:1px;border-bottom-width:1px}
.siu-ch{position:absolute;width:14px;height:14px;background:#fff;border:2px solid var(--c,#e5322d);border-radius:3px;box-sizing:border-box;z-index:2}
.siu-ch.nw{left:-7px;top:-7px;cursor:nwse-resize}.siu-ch.ne{right:-7px;top:-7px;cursor:nesw-resize}
.siu-ch.sw{left:-7px;bottom:-7px;cursor:nesw-resize}.siu-ch.se{right:-7px;bottom:-7px;cursor:nwse-resize}
.siu-ch.n{left:50%;top:-7px;margin-left:-7px;cursor:ns-resize}.siu-ch.s{left:50%;bottom:-7px;margin-left:-7px;cursor:ns-resize}
.siu-ch.w{top:50%;left:-7px;margin-top:-7px;cursor:ew-resize}.siu-ch.e{top:50%;right:-7px;margin-top:-7px;cursor:ew-resize}
@media (pointer:coarse){.siu-ch{width:22px;height:22px}.siu-ch.nw,.siu-ch.sw,.siu-ch.w{left:-11px}.siu-ch.ne,.siu-ch.se,.siu-ch.e{right:-11px}.siu-ch.nw,.siu-ch.ne,.siu-ch.n{top:-11px}.siu-ch.sw,.siu-ch.se,.siu-ch.s{bottom:-11px}.siu-ch.n,.siu-ch.s{margin-left:-11px}.siu-ch.w,.siu-ch.e{margin-top:-11px}}
.siu-csz{position:absolute;left:50%;bottom:6px;transform:translateX(-50%);background:rgba(15,23,42,.8);color:#fff;font:700 11.5px/1 system-ui,sans-serif;padding:5px 8px;border-radius:999px;white-space:nowrap;pointer-events:none}
.siu-cnav{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:14px}
.siu-cnav .siu-btn{width:auto}
.siu-crops{padding:18px 20px;border-left:1px solid #e2e8f0;display:flex;flex-direction:column;gap:12px}
.siu-crops h3{margin:0 0 4px;text-align:center;font-size:24px;font-weight:800;color:#1c2530;padding-bottom:12px;border-bottom:1px solid #e2e8f0}
.siu-cinfo{display:flex;gap:10px;align-items:flex-start;background:#e0f2fe;border:1px solid #7dd3fc;color:#0c4a6e;border-radius:10px;padding:12px 14px;font-size:14.5px;line-height:1.5}
.siu-cinfo>span:first-child{color:#0284c7;font-weight:800}
.siu-crow{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.siu-crow b{font-size:15px;color:#334155}
.siu-creset{border:0;background:none;color:#dc2626;font-weight:700;font-size:14.5px;text-decoration:underline;cursor:pointer;padding:0}
.siu-crad{display:inline-flex;align-items:center;gap:10px;font-size:15.5px;color:#1c2530;cursor:pointer}
.siu-crad input{appearance:none;-webkit-appearance:none;width:22px;height:22px;border:2px solid #475569;border-radius:50%;margin:0;display:grid;place-items:center;cursor:pointer;flex:none}
.siu-crad input:checked{border-color:#16a34a}
.siu-crad input:checked::after{content:"";width:12px;height:12px;border-radius:50%;background:#22c55e}
.siu-cstat{margin:4px 0 0;font-size:13.5px;color:#475569;min-height:1.4em}
.siu-cfine summary{cursor:pointer;font-weight:700;font-size:14px;color:#334155}
.siu-cgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}
.siu-cgrid label{display:flex;flex-direction:column;gap:3px;font-size:12.5px;font-weight:700;color:#475569}
.siu-cgrid input{padding:8px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;width:100%;box-sizing:border-box}
.siu-cfull{width:100%}
@media (max-width:760px){.siu-crop{grid-template-columns:1fr}.siu-crops{border-left:0;border-top:1px solid #e2e8f0;order:-1}.siu-crops h3{display:none}}
/* v3.7.0 — Edit PDF editor (Sejda-style) */
.siu-ed{border:1px solid #e2e8f0;border-radius:14px;overflow:visible;background:#fff;margin:8px 0}
.siu-etb{display:flex;flex-wrap:wrap;justify-content:center;gap:2px;padding:6px;border-bottom:1px solid #e2e8f0;background:#fff;border-radius:14px 14px 0 0;position:relative;z-index:5}
.siu-etw{position:relative}
.siu-et{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:64px;padding:7px 8px;border:0;background:none;border-radius:9px;cursor:pointer;color:#334155;font-size:12.5px;font-weight:600;line-height:1.1}
.siu-et .i{font-size:19px;line-height:1.15}
.siu-et:hover{background:#f1f5f9}.siu-et.on{background:color-mix(in srgb,var(--c,#1d4ed8) 14%,#fff);color:var(--c,#1d4ed8)}
.siu-et:disabled{opacity:.35;cursor:default;background:none}
.siu-eur{display:flex;margin-left:8px;padding-left:8px;border-left:1px solid #e2e8f0}
.siu-emenu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid #e2e8f0;border-radius:10px;box-shadow:0 12px 30px rgba(15,23,42,.18);padding:5px;min-width:140px;z-index:20}
.siu-emenu.on{display:block}
.siu-emenu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 12px;border-radius:7px;font-size:14px;cursor:pointer;color:#1c2530}
.siu-emenu button:hover{background:#f1f5f9}
.siu-eprops{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;padding:8px 10px;border-bottom:1px solid #e2e8f0;background:#f8fafc;font-size:13.5px;color:#334155}
.siu-eprops[hidden]{display:none}
.siu-eprops select,.siu-eprops input[type=number],.siu-eprops input[type=url]{padding:6px 8px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;background:#fff}
.siu-eprops input[type=number]{width:64px}
.siu-eprops input[type=color]{width:34px;height:30px;padding:0;border:1px solid #cbd5e1;border-radius:7px;background:#fff;cursor:pointer;vertical-align:middle}
.siu-eprops label{display:inline-flex;align-items:center;gap:6px}
.siu-eprops .p-b,.siu-eprops .p-i{width:34px;height:32px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;cursor:pointer;font-size:15px}
.siu-eprops .p-b.on,.siu-eprops .p-i.on{background:#1c2530;color:#fff;border-color:#1c2530}
.siu-eprops .p-sw{width:26px;height:26px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #cbd5e1;cursor:pointer}
.siu-eprops .p-sw.on{box-shadow:0 0 0 2px #1c2530}
.siu-eprops .p-urlw input{width:min(320px,60vw)}
.siu-eprops .p-del{border:0;background:#fee2e2;color:#b91c1c;font-weight:700;border-radius:8px;padding:7px 12px;cursor:pointer;font-size:13.5px}
.siu-ehint{padding:8px 12px;font-size:13.5px;color:#0c4a6e;background:#e0f2fe;text-align:center}
.siu-eview{background:#e9edf3;max-height:78vh;min-height:320px;overflow:auto;padding:18px 10px;-webkit-overflow-scrolling:touch}
.siu-epw{margin:0 auto 22px;width:max-content;max-width:none}
.siu-epage{position:relative;background:#fff;box-shadow:0 6px 22px rgba(15,23,42,.16);line-height:0;margin:0 auto}
.siu-epage canvas{display:block}
.siu-elab{text-align:center;font-size:12.5px;color:#64748b;margin-top:6px;line-height:1.3}
.siu-elay{position:absolute;inset:0;line-height:1.2;touch-action:none;user-select:none;-webkit-user-select:none;cursor:crosshair}
.tool-select .siu-elay{cursor:default}.tool-text .siu-elay{cursor:text}.tool-image .siu-elay,.tool-sign .siu-elay{cursor:copy}
.siu-erow{position:absolute;display:none;border-radius:2px}
.tool-text .siu-erow{display:block;cursor:text}
.tool-text .siu-erow:hover{outline:1.5px solid #3b82f6;background:rgba(59,130,246,.08)}
.siu-ecov{position:absolute;background:#fff;pointer-events:none}
.siu-ei{position:absolute;box-sizing:border-box;cursor:move;touch-action:none}
.siu-ei.sel{outline:1.5px dashed #3b82f6;outline-offset:2px}
.siu-ei:not(.siu-e-text):hover{outline:1px dashed #94a3b8;outline-offset:2px}
.siu-ei.sel:hover{outline:1.5px dashed #3b82f6}
.siu-etx{white-space:pre;line-height:1.2;outline:none;min-width:8px;cursor:text;padding:0;margin:0;user-select:text;-webkit-user-select:text}
.siu-e-text:hover .siu-etx{background:rgba(59,130,246,.06)}
.siu-egrip{position:absolute;left:-24px;top:-4px;width:20px;height:20px;display:none;align-items:center;justify-content:center;background:#3b82f6;color:#fff;border-radius:5px;font-size:12px;cursor:move;line-height:1}
.siu-ei.sel .siu-egrip{display:flex}
.siu-ei img{width:100%;height:100%;display:block;pointer-events:none}
.siu-ei svg{display:block;overflow:visible;pointer-events:none}
.siu-e-white{background:#fff;outline:1px dashed #cbd5e1}
.siu-e-hl{mix-blend-mode:multiply;opacity:.55}
.siu-eln{position:absolute;left:0;right:0;display:block}
.siu-e-link{background:rgba(37,99,235,.12);border:1px dashed #2563eb}
.siu-elk{position:absolute;left:2px;top:2px;font-size:11px;color:#1d4ed8;background:rgba(255,255,255,.85);padding:1px 5px;border-radius:4px;white-space:nowrap;max-width:calc(100% - 4px);overflow:hidden;text-overflow:ellipsis;line-height:1.3}
.siu-eh{position:absolute;width:12px;height:12px;right:-7px;bottom:-7px;background:#fff;border:2px solid #3b82f6;border-radius:3px;cursor:nwse-resize;display:none;box-sizing:border-box}
.siu-ei.sel .siu-eh{display:block}
.siu-ex{position:absolute;top:-12px;right:-12px;width:22px;height:22px;border-radius:50%;border:0;background:#ef4444;color:#fff;font-size:15px;line-height:22px;padding:0;cursor:pointer;display:none;z-index:3}
.siu-ei.sel .siu-ex{display:block}
.siu-etmp{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.siu-etmpr{position:absolute;pointer-events:none;border:1.5px dashed #3b82f6;background:rgba(59,130,246,.08)}
.siu-etmpr.t-white{background:#fff;border-color:#94a3b8}.siu-etmpr.t-hl{background:rgba(253,224,71,.55);border:0}
.siu-etmpr.t-ellipse{border-radius:50%}
.siu-efoot{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;border-top:1px solid #e2e8f0;font-size:13.5px;color:#334155;border-radius:0 0 14px 14px;background:#fff}
.siu-efoot .zm{display:flex;align-items:center;gap:8px}
.siu-ezb{width:32px;height:32px;border-radius:8px;border:1px solid #cbd5e1;background:#fff;font-size:18px;cursor:pointer;line-height:1}
.siu-sigm{height:auto!important;max-height:94vh;width:min(680px,100%)}
.siu-sigm .sigpad{width:100%;height:auto;aspect-ratio:600/220;background:#fff;border:2px dashed #cbd5e1;border-radius:10px;touch-action:none;cursor:crosshair;display:block}
.siu-sigm .siu-sigctl{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
.siu-sigm .siu-sigctl .siu-btn{width:auto}
@media (max-width:700px){.siu-etb{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;-webkit-overflow-scrolling:touch}.siu-et{min-width:58px}
 .siu-emenu{position:fixed;top:auto;left:50%;bottom:16px;transform:translateX(-50%)}.siu-eview{max-height:70vh;padding:12px 6px}.siu-egrip{left:-6px;top:-26px}}
/* v3.7.0 — Fill PDF Forms (Sejda-style) */
.siu-ff{position:absolute;box-sizing:border-box;margin:0;padding:0 3px;border:1px solid transparent;border-radius:2px;background:transparent;color:#111827;font-family:Helvetica,Arial,sans-serif;line-height:1.15;outline:none;resize:none;cursor:text;touch-action:auto;user-select:text;-webkit-user-select:text}
textarea.siu-ff{padding:2px 3px;overflow:auto}
select.siu-ff{cursor:pointer;padding:0 2px}
.hlf .siu-ff{background:rgba(219,234,254,.75);border-color:rgba(59,130,246,.35)}
.siu-ff:hover{border-color:#3b82f6}
.siu-ff:focus{background:#fff;border-color:#2563eb;box-shadow:0 0 0 2px rgba(37,99,235,.25)}
.siu-ff.ro{opacity:.6;cursor:not-allowed}
.siu-fck{display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;color:#111827}
.siu-fck i{font-style:normal;visibility:hidden;line-height:1;font-size:.95em}
.siu-fck.on i{visibility:visible}
.siu-fck.rd{border-radius:50%}
.tool-fill .siu-elay{cursor:default}
.siu-fm:not(.tool-fill) .siu-ff{pointer-events:none;opacity:.75}
.siu-fnew{border:1.5px dashed #7c3aed;background:rgba(124,58,237,.08)}
.siu-fnew.sq{border-radius:3px}.siu-fnew.rd{border-radius:50%}
.siu-fnl{position:absolute;left:0;bottom:100%;font-size:10.5px;line-height:1.3;color:#6d28d9;background:#f5f3ff;padding:0 4px;border-radius:3px 3px 0 0;white-space:nowrap;pointer-events:none}
.siu-fi-mark svg{width:100%;height:100%}
.siu-fi-mark:hover{outline:1px dashed #94a3b8}
.siu-fflat{display:inline-flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}
.siu-efoot .fc{font-weight:700;color:#15803d}
@media (max-width:700px){.siu-efoot{flex-wrap:wrap;gap:6px}}
.siu-eprops{min-height:48px;box-sizing:border-box}.siu-eprops .p-lbl{color:#64748b}
/* v3.7.0 — Sign PDF (iLovePDF-style) */
.siu-sg{display:grid;grid-template-columns:120px minmax(0,1fr) 290px;border:1px solid #e2e8f0;border-radius:14px;overflow:hidden;background:#fff;margin:8px 0}
.siu-sg.one{grid-template-columns:minmax(0,1fr) 290px}.siu-sg.one .siu-sgth{display:none}
.siu-sgth{background:#f8fafc;border-right:1px solid #e2e8f0;overflow:auto;max-height:82vh;padding:12px 10px;display:flex;flex-direction:column;gap:12px;align-items:center}
.siu-sgt{border:2px solid transparent;background:none;padding:3px;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;color:#475569}
.siu-sgt canvas{width:84px;height:auto;background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.15);display:block;min-height:40px}
.siu-sgt.on{border-color:var(--c,#4338ca)}
.siu-sgmid{min-width:0;display:flex;flex-direction:column}
.siu-sgmid .siu-eview{max-height:82vh;flex:1}
.siu-sgmid .siu-eprops{justify-content:flex-start}
.siu-sgmid .siu-eprops .zm{margin-left:auto;display:flex;align-items:center;gap:8px}
.siu-sgside{border-left:1px solid #e2e8f0;padding:16px;display:flex;flex-direction:column;gap:16px;overflow:auto;max-height:82vh}
.siu-sgside b{display:block;font-size:14.5px;color:#1c2530;margin-bottom:8px}
.siu-sgseg{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.siu-sgseg button{border:1.5px solid #e2e8f0;background:#fff;border-radius:10px;padding:10px 6px;font-size:13px;font-weight:700;cursor:pointer;color:#334155}
.siu-sgseg button.on{border-color:var(--c,#4338ca);color:var(--c,#4338ca);background:color-mix(in srgb,var(--c,#4338ca) 8%,#fff)}
.siu-sgnote{font-size:12.5px;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:8px 10px;margin:8px 0 0}
.siu-sgcards{display:flex;flex-direction:column;gap:8px}
.siu-sgcard{display:flex;align-items:center;gap:8px;border:1.5px solid #e2e8f0;border-radius:10px;padding:8px 10px;cursor:grab;background:#fff;touch-action:none;user-select:none;-webkit-user-select:none;min-height:48px;box-sizing:border-box;transition:border-color .15s,box-shadow .15s}
.siu-sgcard:hover{border-color:var(--c,#4338ca);box-shadow:0 4px 14px rgba(15,23,42,.08)}
.siu-sgcard.armed{border-color:var(--c,#4338ca);background:color-mix(in srgb,var(--c,#4338ca) 8%,#fff)}
.siu-sgcard .grip{color:#94a3b8;font-size:14px}.siu-sgcard .ic{font-size:17px}
.siu-sgcard .lb{font-size:13.5px;font-weight:700;color:#334155;white-space:nowrap}
.siu-sgcard .pv{flex:1;min-width:0;display:flex;align-items:center;justify-content:flex-end;overflow:hidden;order:3}
.siu-sgcard .lb{order:2}.siu-sgcard .ed{order:4}
.siu-sgcard .pv img{max-height:32px;max-width:100%;object-fit:contain}
.siu-sgcard .pv span{font-size:12px;color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.siu-sgcard .ed{border:0;background:#f1f5f9;border-radius:7px;width:28px;height:28px;cursor:pointer;font-size:14px;flex:none}
.siu-sghint{font-size:12.5px;color:#64748b;margin:0}
.siu-sgghost{position:fixed;z-index:1000000;transform:translate(-50%,-50%);pointer-events:none;background:#fff;border:2px dashed #94a3b8;border-radius:8px;padding:8px 12px;font-size:13px;font-weight:700;box-shadow:0 10px 30px rgba(15,23,42,.2);white-space:nowrap}
.siu-sgghost.ok{border-color:#16a34a;color:#15803d}
.siu-sgi.siu-ei{outline:1px dashed transparent}
.siu-sgi:hover{outline:1px dashed #94a3b8;outline-offset:2px}
.siu-sgm{height:auto!important;max-height:94vh;width:min(720px,100%)}
.siu-sgm .siu-mbd{padding:18px}
.siu-sgnm{display:grid;grid-template-columns:2fr 1fr;gap:12px;margin-bottom:14px}
.siu-sgnm label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:700;color:#334155}
.siu-sgnm input{padding:11px 12px;border:1.5px solid #cbd5e1;border-radius:10px;font-size:15px}
.siu-sgnm input:focus{outline:none;border-color:var(--c,#4338ca)}
.siu-sgtabs{display:flex;gap:4px;border-bottom:1px solid #e2e8f0;margin-bottom:12px;overflow-x:auto}
.siu-sgtabs button{border:0;background:none;padding:10px 14px;font-size:14px;font-weight:700;color:#64748b;cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}
.siu-sgtabs button.on{color:#1c2530;border-bottom-color:var(--c,#4338ca)}
.siu-sgmode{display:flex;align-items:center;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.siu-sgmode [data-m]{border:1.5px solid #e2e8f0;background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;cursor:pointer;color:#334155}
.siu-sgmode [data-m].on{background:#1c2530;color:#fff;border-color:#1c2530}
.siu-sgmode .inks{margin-left:auto;display:flex;gap:6px}
.siu-sgmode .ink{width:24px;height:24px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #cbd5e1;cursor:pointer;padding:0}
.siu-sgmode .ink.on{box-shadow:0 0 0 2px #1c2530}
.siu-sglist{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:46vh;overflow:auto}
.siu-sgopt{display:flex;align-items:center;gap:10px;border:1.5px solid #e2e8f0;border-radius:10px;padding:10px 12px;cursor:pointer;background:#fff;min-height:64px}
.siu-sgopt.on{border-color:var(--c,#4338ca);background:color-mix(in srgb,var(--c,#4338ca) 6%,#fff)}
.siu-sgopt input{accent-color:var(--c,#4338ca);flex:none}
.siu-sgopt span{font-size:28px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.siu-sgdraw canvas{width:100%;height:auto;aspect-ratio:3/1;background:#fff;border:2px dashed #cbd5e1;border-radius:10px;touch-action:none;cursor:crosshair;display:block}
.siu-sgdraw .siu-btn,.siu-sgup .siu-btn{width:auto;margin-top:10px}
.siu-sgup .pv img{max-width:100%;max-height:150px;margin-top:12px;display:block;background:repeating-conic-gradient(#f1f5f9 0 25%,#fff 0 50%) 0 0/16px 16px;border-radius:8px}
.siu-sgfoot{display:flex;justify-content:flex-end;gap:10px;padding:12px 18px;border-top:1px solid #e2e8f0;background:#fff}
.siu-sgfoot .siu-btn{width:auto;margin:0}
.siu-eprops .p-all{border:0;background:#e0e7ff;color:#3730a3;font-weight:700;border-radius:8px;padding:7px 12px;cursor:pointer;font-size:13.5px}
@media (max-width:860px){.siu-sg,.siu-sg.one{grid-template-columns:1fr}.siu-sgth{display:none}
 .siu-sgside{order:-1;border-left:0;border-bottom:1px solid #e2e8f0;max-height:none;padding:12px}
 .siu-sgcards{flex-direction:row;overflow-x:auto;padding-bottom:4px}.siu-sgcard{flex:none}.siu-sgcard .pv{display:none}.siu-sghint{display:none}
 .siu-sgsec b{margin-bottom:6px}.siu-sglist{grid-template-columns:1fr}.siu-sgnm{grid-template-columns:1fr 1fr}}
.siu-sgnm label{min-width:0}.siu-sgnm input{width:100%;min-width:0;box-sizing:border-box}