.progress{position:fixed;left:0;top:0;height:4px;z-index:200;background:linear-gradient(90deg,var(--brand),var(--violet));width:0}
.ps-hero{position:relative;isolation:isolate;padding-block:clamp(28px,5vw,64px) clamp(28px,4vw,48px)}
.ps-hero::before{content:"";position:absolute;z-index:-1;top:-120px;left:50%;width:100vw;transform:translateX(-50%);height:680px;background:radial-gradient(40% 60% at 12% 30%,rgb(255 232 214 / .9),transparent 70%),radial-gradient(36% 55% at 88% 20%,rgb(207 231 250 / .85),transparent 70%);pointer-events:none}
.ps-hero .crumbs{background:rgb(255 255 255 / .85);border-color:var(--line);color:var(--muted)}
.ps-hero .crumbs a{color:var(--navy)}
.ps-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:22px;font-size:.88rem;color:var(--muted)}
.ps-meta>span{display:inline-flex;align-items:center;gap:8px}
.ps-meta>span+span::before{content:"";width:4px;height:4px;border-radius:50%;background:#B9C2D3}
.ps-cat{display:inline-flex;align-items:center;padding:5px 12px;border-radius:8px;background:var(--tint);color:var(--brand-ink);font-weight:600;font-size:.8rem;text-decoration:none}
.ps-cat:hover{background:var(--cta)}
.ps-title{font-family:var(--display);font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.08;font-weight:600;letter-spacing:-.035em;color:var(--ink);margin:16px 0 0;max-width:22ch;text-wrap:balance}
.ps-lead{font-size:clamp(1.08rem,1.6vw,1.3rem);line-height:1.6;color:var(--muted);margin:18px 0 0;max-width:44rem}
.ps-author{display:flex;align-items:center;gap:12px;margin-top:26px}
.ps-author img{width:48px;height:48px;border-radius:50%;background:#FFFFFF;padding:7px;object-fit:contain;border:1px solid var(--line);box-shadow:var(--shadow)}
.ps-author b{display:block;color:var(--ink);font-weight:600;font-size:.98rem}
.ps-author small{display:block;color:var(--muted);font-size:.85rem}
.ps-cover{margin:clamp(24px,4vw,40px) 0 0;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:2/1;background:var(--soft);box-shadow:var(--shadow-lg)}
.ps-cover img{width:100%;height:100%;object-fit:cover}
.ps-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(32px,5vw,72px);align-items:start;padding-block:clamp(20px,3vw,40px) clamp(40px,6vw,72px)}
.ps-main{min-width:0;max-width:780px}
.ps-side{align-self:stretch;display:flex;flex-direction:column;gap:14px}
.ps-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.ps-card .k{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.ps-writer .who{display:flex;align-items:center;gap:12px}
.ps-writer .who img{width:44px;height:44px;border-radius:50%;padding:6px;border:1px solid var(--line);object-fit:contain;background:#FFFFFF}
.ps-writer .who b{display:block;color:var(--ink);font-weight:600}
.ps-writer .who small{display:block;color:var(--muted);font-size:.84rem;line-height:1.35}
.ps-writer p{font-size:.9rem;line-height:1.55;color:var(--muted);margin:14px 0 16px}
.ps-writer .btn{width:100%;justify-content:space-between}
.ps-writer .btn+.btn{margin-top:8px}
.ps-toc{position:sticky;top:104px;max-height:calc(100vh - 124px);overflow:auto;padding:4px 2px 4px 0;scrollbar-width:thin}
.ps-toc b{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:6px 0 12px}
.ps-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);display:grid}
.ps-toc a{display:block;padding:7px 0 7px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:.9rem;line-height:1.4;transition:color .2s,border-color .2s}
.ps-toc a:hover{color:var(--ink)}
.ps-toc a.on{color:var(--ink);font-weight:600;border-left-color:var(--brand)}
.ps-toc-m{display:none}
.ps-qa{position:relative;margin:0 0 34px;padding:4px 0 4px 24px;border-left:4px solid var(--brand)}
.ps-qa>span{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:8px}
.ps-qa>span svg{width:15px;height:15px}
.ps-qa p{margin:0;font-size:clamp(1.12rem,1.6vw,1.28rem);line-height:1.65;font-weight:500;color:var(--ink)}
.ps-body{font-size:18px;line-height:1.8;color:var(--text)}
.ps-body>*:first-child{margin-top:0}
.ps-body h2{font-family:var(--display);font-size:clamp(1.55rem,2.6vw,2rem);line-height:1.2;font-weight:600;letter-spacing:-.025em;color:var(--ink);margin:56px 0 16px;scroll-margin-top:104px}
.ps-body h3{font-family:var(--display);font-size:clamp(1.15rem,1.8vw,1.3rem);line-height:1.3;font-weight:600;letter-spacing:-.015em;color:var(--ink);margin:32px 0 10px;scroll-margin-top:104px}
.ps-body h4{font-size:1.05rem;font-weight:600;color:var(--ink);margin:22px 0 6px}
.ps-body p{margin:0 0 20px}
.ps-body strong,.ps-body b{color:var(--ink);font-weight:600}
.ps-body a{color:var(--brand-ink);text-decoration:underline;text-decoration-color:rgb(10 110 214 / .35);text-underline-offset:3px;text-decoration-thickness:1.5px}
.ps-body a:hover{text-decoration-color:currentColor}
.ps-body img{max-width:100%;height:auto;border-radius:18px}
.ps-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.ps-body blockquote{margin:24px 0;padding:6px 0 6px 22px;border-left:4px solid var(--sun);font-size:1.1rem;color:var(--ink)}
.ps-body ul:not([class]),.ps-body ol:not([class]){margin:0 0 22px;padding:0;list-style:none;display:grid;gap:10px}
.ps-body ul:not([class])>li{position:relative;padding-left:26px}
.ps-body ul:not([class])>li::before{content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--tint)}
.ps-body ol:not([class]){counter-reset:o}
.ps-body ol:not([class])>li{position:relative;padding-left:42px;counter-increment:o;min-height:30px}
.ps-body ol:not([class])>li::before{content:counter(o);position:absolute;left:0;top:.1em;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:.8rem;font-weight:600;color:var(--brand-ink);font-family:var(--mono)}
.ps-body figure{margin:28px 0}
.ps-body figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px}
.ps-body figcaption{font-size:.84rem;color:var(--muted);margin-top:8px;text-align:center}
.ps-body table{width:100%;border-collapse:collapse;font-size:.95rem;line-height:1.5}
.ps-body th{background:var(--navy);color:#FFFFFF;text-align:left;font-weight:600;padding:12px 14px;font-size:.84rem;white-space:nowrap}
.ps-body td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top;font-variant-numeric:tabular-nums}
.ps-body tbody tr:nth-child(even) td{background:#F8FAFD}
.ps-body tbody tr:hover td{background:var(--tint)}
.ps-body th[data-sort]{cursor:pointer;user-select:none}
.ps-body th[data-sort]::after{content:" \2195";opacity:.55;font-size:.8em}
.ps-body .gv-tablewrap,.ps-body .tbl,.ps-body .tw,.ps-body .gvtblw:has(>table){overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface);margin:20px 0;box-shadow:var(--shadow)}
.ps-body .gvtblw{margin:20px 0;overflow-x:auto;max-width:100%}
.ps-body .gvtblw .tw{margin:0}
.ps-body .gv-tablewrap table,.ps-body .tbl table,.ps-body .tw table,.ps-body .gvtblw>table{min-width:520px}
.ps-body .gv-hide,.ps-body tr[hidden]{display:none}
.ps-body details{background:var(--surface);border:1px solid var(--line);border-radius:18px;margin:0 0 10px;box-shadow:var(--shadow);transition:border-color .2s}
.ps-body details[open]{border-color:#C9D6EA}
.ps-body summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 20px;font-weight:600;color:var(--ink);font-size:1.02rem;line-height:1.45}
.ps-body summary::-webkit-details-marker{display:none}
.ps-body summary::after{content:"";flex:none;width:28px;height:28px;border-radius:50%;background:var(--soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A3A9E' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/13px no-repeat;transition:transform .3s,background-color .3s}
.ps-body details[open]>summary::after{transform:rotate(45deg);background-color:var(--cta)}
.ps-body details>*:not(summary){margin-left:20px;margin-right:20px}
.ps-body details>*:last-child{margin-bottom:18px}
.ps-body details p{font-size:.98rem;color:var(--text)}
.ps-body input[type=text],.ps-body input[type=number],.ps-body input[type=search],.ps-body input[type=tel],.ps-body input[type=email],.ps-body select{min-height:48px;border-radius:14px;border:1px solid var(--line);background:var(--surface);padding:0 14px;font-size:1rem;color:var(--ink);width:100%}
.ps-body input:focus-visible,.ps-body select:focus-visible{outline:3px solid var(--brand);outline-offset:1px}
.ps-body input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--brand) var(--p,50%),var(--soft) var(--p,50%));cursor:pointer;border:0;padding:0;min-height:0}
.ps-body input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#FFFFFF;border:3px solid var(--brand);box-shadow:0 2px 8px rgb(11 18 32 / .2)}
.ps-body input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#FFFFFF;border:3px solid var(--brand)}
.ps-body .btn{text-decoration:none}
.ps-body .gv-lead,.ps-body .gvlede{font-size:1.15rem;line-height:1.7;color:var(--ink)}
.ps-body .gv-src,.ps-body .gvfine,.ps-body .src,.ps-body .cap,.ps-body p.sub{font-size:.84rem;line-height:1.55;color:var(--muted)}
.ps-body .gv-take{background:linear-gradient(160deg,#FFFFFF,var(--soft));border:1px solid var(--line);border-radius:22px;padding:22px 24px;margin:0 0 32px;box-shadow:var(--shadow)}
.ps-body .gv-take h3{margin:0 0 12px;font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-ink);font-weight:500}
.ps-body .gv-take ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ps-body .gv-take li{position:relative;padding-left:30px;font-size:1rem;line-height:1.6}
.ps-body .gv-take li::before{content:"";position:absolute;left:0;top:.2em;width:20px;height:20px;border-radius:50%;background:var(--mint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat}
.ps-body .gv-take .tools{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:.9rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center}
.ps-body .gv-take .tools a{display:inline-flex;padding:4px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);text-decoration:none;font-weight:600;font-size:.84rem}
.ps-body .gv-stats,.ps-body .gvstats,.ps-body .tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:22px 0 28px}
.ps-body .gv-stat,.ps-body .gvstat,.ps-body .tile{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);text-align:left}
.ps-body .gv-stat b,.ps-body .gvstat b,.ps-body .tile b{display:block;font-family:var(--display);font-size:1.6rem;line-height:1.1;font-weight:600;letter-spacing:-.03em;color:var(--navy);font-variant-numeric:tabular-nums}
.ps-body .gv-stat span,.ps-body .gvstat span,.ps-body .tile>span{display:block;margin-top:6px;font-size:.85rem;line-height:1.4;color:var(--muted)}
.ps-body .gv-note,.ps-body .gvcall,.ps-body .callout,.ps-body .alert{position:relative;border-radius:18px;padding:16px 20px 16px 52px;margin:22px 0;font-size:.98rem;line-height:1.65;background:#FFF6E5;color:#5C3A06;border:1px solid #F8DFAE}
.ps-body .gv-note::before,.ps-body .gvcall::before,.ps-body .callout::before{content:"";position:absolute;left:16px;top:17px;width:24px;height:24px;border-radius:50%;background:#F59E0B url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 6v8M12 18h.01'/%3E%3C/svg%3E") center/14px no-repeat}
.ps-body .gv-note.info,.ps-body .gvcall.g,.ps-body .callout.info{background:var(--tint);color:#0B3F73;border-color:#CDE6FB}
.ps-body .gv-note.info::before,.ps-body .gvcall.g::before,.ps-body .callout.info::before{background:var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 11v7M12 6.5h.01'/%3E%3C/svg%3E") center/14px no-repeat}
.ps-body .gv-note.warn,.ps-body .callout.warn{background:var(--warn-bg);color:#7A2E06;border-color:#FAD7BE}
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.ps-body .gv-note.tip,.ps-body .callout.v{background:var(--ok-bg);color:var(--ok);border-color:#BFE8DA}
.ps-body .gv-note.tip::before,.ps-body .callout.v::before{content:"\2713";background:var(--mint)}
.ps-body .gv-note b:first-child{color:inherit;font-weight:600}
.ps-body .gv-note b.t,.ps-body .gvcall>b,.ps-body .callout>b{display:block;color:inherit;font-weight:600;margin-bottom:2px}
.ps-body .gv-note a,.ps-body .gvcall a,.ps-body .callout a{color:inherit}
.ps-body .gvcall p,.ps-body .callout p{margin:0}
.ps-body .alerts{display:grid;gap:10px;margin:0 0 22px}
.ps-body .alert{padding:18px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;background:var(--surface);color:var(--text);border-color:var(--line);box-shadow:var(--shadow);margin:0}
.ps-body .alert .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center}
.ps-body .alert .ic svg{width:20px;height:20px}
.ps-body .alert b{display:block;color:var(--ink);font-weight:600;margin-bottom:4px}
.ps-body .alert p{margin:0;font-size:.96rem}
.ps-body .gv-fig,.ps-body .gvhero,.ps-body .fig{margin:28px 0}
.ps-body .gv-fig img,.ps-body .gvhero img,.ps-body .fig img{width:100%;aspect-ratio:16/9;height:auto;object-fit:cover;border-radius:20px}
.ps-body .gv-fig figcaption,.ps-body .gvhero figcaption{font-size:.84rem}
.ps-body .gv-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:20px 0 28px}
.ps-body .gv-card,.ps-body .gvbox,.ps-body .tool,.ps-body .gv-tool{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
.ps-body .gv-card{transition:transform .3s,border-color .3s}
.ps-body .gv-card:hover{transform:translateY(-3px);border-color:#C9D6EA}
.ps-body .gv-card .ic{width:44px;height:44px;border-radius:12px;background:var(--tint);display:grid;place-items:center;font-size:1.3rem;line-height:1}
.ps-body .gv-card h4{margin:12px 0 4px;font-size:1.02rem}
.ps-body .gv-card p{margin:0;font-size:.92rem;line-height:1.55;color:var(--muted)}
.ps-body .gv-tool,.ps-body .tool,.ps-body .gvbox{margin:24px 0;border:2px solid var(--tint);padding:clamp(18px,3vw,26px)}
.ps-body .gv-tool>h3,.ps-body .gv-tool>h4{margin:0 0 4px;font-size:1.15rem}
.ps-body .gv-tool>p:first-of-type{margin-top:0}
.ps-body .gvbox .bt{margin:0;font-family:var(--display);font-weight:600;font-size:1.12rem;color:var(--ink)}
.ps-body .gvbox .bs{margin:2px 0 14px;font-size:.92rem;color:var(--muted)}
.ps-body .tool-h{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.ps-body .tool-h .ic{width:44px;height:44px;border-radius:12px;background:linear-gradient(140deg,var(--brand),var(--violet));color:#FFFFFF;display:grid;place-items:center;flex:none}
.ps-body .tool-h .ic svg{width:22px;height:22px}
.ps-body .tool-h h3{margin:0;font-size:1.15rem}
.ps-body .tool-h small{display:block;color:var(--muted);font-size:.85rem;font-weight:500}
.ps-body .gv-grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 20px;margin:14px 0}
.ps-body .gv-f,.ps-body .gvcalc .f{display:grid;gap:8px;margin:0 0 14px}
.ps-body .gv-f label,.ps-body .gvcalc .f label,.ps-body .ctl label{display:flex;justify-content:space-between;gap:8px;font-weight:500;font-size:.92rem;color:var(--ink);line-height:1.4}
.ps-body .gv-f label .v,.ps-body .gvcalc output,.ps-body .ctl label output{font-weight:600;color:var(--brand-ink);font-variant-numeric:tabular-nums}
.ps-body .gv-out,.ps-body .out,.ps-body .gvcalc .rc{background:linear-gradient(160deg,var(--navy),#2A2F8F);color:#FFFFFF;border-radius:20px;padding:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:16px 0}
.ps-body .gv-out small,.ps-body .out small,.ps-body .gvcalc .rc small{display:block;color:#B9CBEA;font-size:.8rem;font-weight:500;line-height:1.4}
.ps-body .gv-out b,.ps-body .out .big,.ps-body .gvcalc .rc b{display:block;color:#FFFFFF;font-family:var(--display);font-size:1.6rem;font-weight:600;letter-spacing:-.02em;line-height:1.15;font-variant-numeric:tabular-nums}
.ps-body .gv-out .hl b{color:#FFD08A}
.ps-body .out .bdt{color:#FFD08A;font-weight:600}
.ps-body .out hr{display:none}
.ps-body .gvcalc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
.ps-body .gvcalc .rc{grid-template-columns:minmax(0,1fr);margin:0 0 16px}
.ps-body .calc{display:grid;gap:22px;margin-top:16px}
.ps-body .calc .out{order:-1}
.ps-body .ctl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
.ps-body .gv-bars,.ps-body .bars,.ps-body .gvrange{display:grid;gap:14px;margin:16px 0 6px}
.ps-body .gv-bar{display:grid;grid-template-columns:minmax(110px,30%) minmax(0,1fr);gap:12px;align-items:center}
.ps-body .gv-bar .lb{font-size:.88rem;font-weight:500;color:var(--ink);line-height:1.3}
.ps-body .gv-track,.ps-body .bar-track,.ps-body .gvrange .rt{position:relative;height:26px;border-radius:8px;background:var(--soft)}
.ps-body .gv-fill{position:absolute;top:0;bottom:0;border-radius:8px;background:linear-gradient(90deg,var(--brand),#4F8DF5);min-width:6px;transition:width .8s cubic-bezier(.2,.7,.1,1),left .8s cubic-bezier(.2,.7,.1,1);cursor:default}
.ps-body .gv-fill.navy{background:linear-gradient(90deg,var(--navy),#3A56C8)}
.ps-body .gv-fill.amber{background:linear-gradient(90deg,#F59E0B,var(--sun))}
.ps-body .gv-fill.teal,.ps-body .gv-fill.green{background:linear-gradient(90deg,var(--mint),#3FD3A8)}
.ps-body .gv-fill.red{background:linear-gradient(90deg,var(--coral),#FF8A6E)}
.ps-body .gv-fill em{position:absolute;left:100%;top:50%;transform:translateY(-50%);margin-left:8px;font-style:normal;font-size:.8rem;font-weight:600;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.ps-body .gv-axis,.ps-body .bar-axis{display:flex;justify-content:space-between;font-size:.75rem;color:var(--muted);font-variant-numeric:tabular-nums;margin:4px 0 0}
.ps-body .bar-row b{display:flex;justify-content:space-between;font-weight:600;color:var(--ink);font-size:.95rem;margin-bottom:6px}
.ps-body .bar-row b span{color:var(--brand-ink);font-variant-numeric:tabular-nums}
.ps-body .bar-track{height:16px}
.ps-body .bar-fill{position:absolute;top:0;bottom:0;border-radius:8px;background:var(--brand);transform-origin:left;transition:transform 1s cubic-bezier(.2,.7,.1,1)}
.js .ps-body .bars:not(.in) .bar-fill{transform:scaleX(0)}
.ps-body .gvrange .rrow{display:grid;grid-template-columns:minmax(100px,26%) minmax(0,1fr) auto;gap:12px;align-items:center;outline:0}
.ps-body .gvrange .rl{font-size:.88rem;font-weight:500;color:var(--ink)}
.ps-body .gvrange .rt{height:14px}
.ps-body .gvrange .rt i{position:absolute;top:0;bottom:0;left:var(--l);width:var(--w);border-radius:7px;background:linear-gradient(90deg,var(--brand),var(--violet))}
.ps-body .gvrange span.rv{font-size:.82rem;font-weight:600;color:var(--brand-ink);font-variant-numeric:tabular-nums;white-space:nowrap}
.ps-body .gvrange .rax{display:flex;justify-content:space-between;font-size:.75rem;color:var(--muted)}
.gv-tip{position:fixed;z-index:500;max-width:260px;padding:10px 12px;border-radius:12px;background:var(--ink);color:#FFFFFF;font-size:.82rem;line-height:1.45;pointer-events:none;opacity:0;transform:translateY(4px);transition:opacity .15s,transform .15s}
.gv-tip.on{opacity:1;transform:none}
.gv-tip b{color:#FFFFFF}
.ps-body .gv-tabs,.ps-body .gvtabs,.ps-body .tabs{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:8px;margin:22px 0;box-shadow:var(--shadow)}
.ps-body .gv-tabbar,.ps-body .gvtabs .tl,.ps-body .tablist{display:flex;gap:4px;background:var(--soft);border-radius:16px;padding:4px;overflow-x:auto;scrollbar-width:none;margin:0}
.ps-body .gv-tabbar button,.ps-body .gvtabs .tl button,.ps-body .tablist button{flex:1 0 auto;min-height:42px;border:0;background:transparent;border-radius:12px;font:inherit;font-weight:600;font-size:.9rem;cursor:pointer;color:var(--muted);white-space:nowrap;padding:0 14px;transition:background .2s,color .2s}
.ps-body .gv-tabbar button.on,.ps-body .gvtabs .tl button[aria-selected="true"],.ps-body .tablist button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 2px 8px rgb(11 18 32 / .08)}
.ps-body .gv-panel{display:none;padding:18px 14px 6px}
.ps-body .gv-panel.on{display:block;animation:psIn .3s ease}
.ps-body .gvtabs .pane,.ps-body .tabpanel{padding:18px 14px 6px}
.ps-body .gv-panel>:last-child,.ps-body .gvtabs .pane>:last-child,.ps-body .tabpanel>:last-child{margin-bottom:8px}
.ps-body .gv-panel ul:not([class]){margin-bottom:8px}
@keyframes psIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.ps-body .gv-seg,.ps-body .seg{display:inline-flex;flex-wrap:wrap;gap:4px;background:var(--soft);border-radius:999px;padding:4px;margin:6px 0 12px}
.ps-body .gv-seg button,.ps-body .seg button{border:0;background:transparent;border-radius:999px;min-height:40px;padding:0 16px;font:inherit;font-weight:600;font-size:.88rem;cursor:pointer;color:var(--muted)}
.ps-body .gv-seg button.on,.ps-body .seg button[aria-pressed="true"]{background:var(--ink);color:#FFFFFF}
.ps-body .gv-steps,.ps-body .steps,.ps-body .gv-tl,.ps-body .gvsteps{list-style:none;padding:0;margin:22px 0 26px;counter-reset:st;position:relative;display:grid;gap:0}
.ps-body .gv-steps::before,.ps-body .steps::before,.ps-body .gv-tl::before,.ps-body .gvsteps::before{content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:var(--line)}
.ps-body .gv-steps>li,.ps-body .steps>li,.ps-body .gv-tl>li{position:relative;padding:6px 0 20px 58px;counter-increment:st;line-height:1.6;min-height:52px}
.ps-body .gv-steps>li::before,.ps-body .steps>li::before,.ps-body .gv-tl>li::before{content:counter(st);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--surface);border:2px solid var(--brand);display:grid;place-items:center;font-weight:600;color:var(--brand-ink);font-size:.92rem;font-family:var(--mono)}
.ps-body .gv-steps>li b,.ps-body .steps li b,.ps-body .gv-tl>li b{display:block;color:var(--ink);font-weight:600;font-size:1.03rem}
.ps-body .steps li span{display:block;color:var(--muted);font-size:.98rem}
.ps-body .gv-steps.track>li{cursor:pointer;border-radius:14px;transition:background .2s}
.ps-body .gv-steps.track>li:hover{background:var(--soft)}
.ps-body .gv-steps.track>li.done::before{content:"\2713";background:var(--mint);border-color:var(--mint);color:#FFFFFF}
.ps-body .gv-steps.track>li.done{color:var(--muted)}
.ps-body .gvsteps>li{position:relative;padding:0 0 12px 58px}
.ps-body .gvsteps .sn{position:absolute;left:0;top:6px;width:40px;height:40px;border-radius:50%;background:var(--surface);border:2px solid var(--brand);display:grid;place-items:center;font-weight:600;color:var(--brand-ink);font-size:.92rem;font-family:var(--mono);z-index:1}
.ps-body .gvsteps details{margin:0}
.ps-body .gv-checkbox,.ps-body .gvchk,.ps-body .check{margin:16px 0 22px}
.ps-body .gv-check,.ps-body .check{list-style:none;padding:0;margin:12px 0;display:grid;gap:8px}
.ps-body .gv-check label,.ps-body .gvchk label,.ps-body .check label{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:var(--soft);cursor:pointer;font-size:.97rem;line-height:1.5;transition:background .2s,color .2s;margin:0 0 8px}
.ps-body .gv-check label{margin:0}
.ps-body .gv-check input,.ps-body .gvchk input,.ps-body .check input{appearance:none;-webkit-appearance:none;width:22px;height:22px;border-radius:7px;border:2px solid #B7C4D4;background:#FFFFFF;flex:none;display:grid;place-items:center;cursor:pointer;margin:2px 0 0;min-height:0;padding:0}
.ps-body .gv-check input:checked,.ps-body .gvchk input:checked,.ps-body .check input:checked{background:var(--mint);border-color:var(--mint)}
.ps-body .gv-check input:checked::after,.ps-body .gvchk input:checked::after,.ps-body .check input:checked::after{content:"";width:6px;height:11px;border:solid #FFFFFF;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}
.ps-body .gv-check label:has(input:checked),.ps-body .gvchk label:has(input:checked),.ps-body .check label:has(input:checked){background:var(--ok-bg);color:var(--ok)}
.ps-body .gv-meter,.ps-body .gvchk .bar,.ps-body .meter .m{height:10px;border-radius:5px;background:var(--soft);overflow:hidden;margin:8px 0}
.ps-body .gv-meter i,.ps-body .gvchk .bar i,.ps-body .meter .m span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--mint),var(--brand));transition:width .5s}
.ps-body .gv-meterlbl,.ps-body .gvchk .pc,.ps-body .meter{font-size:.9rem;font-weight:600;color:var(--ink);margin:4px 0 0}
.ps-body .meter{display:flex;align-items:center;gap:12px}
.ps-body .meter .m{flex:1}
.ps-body .ready-cta{margin-top:14px;padding:16px 18px;border-radius:18px;background:var(--cta);color:var(--ink);display:none;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-weight:600}
.ps-body .ready-cta.show{display:flex}
.ps-body .gv-cta,.ps-body .gvcta,.ps-body .inline-cta{border-radius:22px;padding:22px 24px;margin:28px 0;background:linear-gradient(135deg,#FFF3EA,#FFFFFF 55%,var(--tint));border:1px solid #F6DCC6;color:var(--text)}
.ps-body .gv-cta p,.ps-body .gvcta p,.ps-body .inline-cta p{margin:0 0 6px;font-size:.98rem}
.ps-body .gvcta .ct{font-family:var(--display);font-size:1.15rem;font-weight:600;color:var(--ink)}
.ps-body .gv-btn,.ps-body .gvcta a{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;background:var(--ink);color:#FFFFFF;font-weight:600;font-size:.95rem;text-decoration:none;margin:10px 8px 0 0;transition:transform .2s,background .2s}
.ps-body .gv-btn:hover,.ps-body .gvcta a:hover{background:var(--navy);transform:translateY(-1px);color:#FFFFFF}
.ps-body .gv-btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.ps-body .gv-btn.ghost:hover{border-color:var(--ink);background:transparent;color:var(--ink)}
.ps-body .inline-cta{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}
.ps-body .inline-cta form{display:flex;gap:8px}
.ps-body .inline-cta input{width:170px;border-radius:999px}
.ps-body .inline-cta .msg{grid-column:1 / -1;margin:0;font-size:.9rem;color:var(--ok);font-weight:500}
.ps-body .eng{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center;margin-top:12px}
.ps-body .eng input{width:140px;font-size:1.1rem;font-weight:600}
.ps-body .eng-out{border-radius:16px;padding:14px 16px;font-weight:500;font-size:.98rem;line-height:1.5;background:var(--soft)}
.ps-body .gvdonut,.ps-body .donut{display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;align-items:center;margin:16px 0}
.ps-body .gvdonut svg{width:150px;height:150px}
.ps-body .donut svg{width:120px;height:120px}
.ps-body .gvdonut .dv{font-family:var(--display);font-size:20px;font-weight:600;fill:var(--ink)}
.ps-body .gvdonut .dl{font-size:12px;fill:var(--muted)}
.ps-body .gvdonut .lg,.ps-body .donut ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.88rem}
.ps-body .gvdonut .lg li,.ps-body .donut li{display:flex;align-items:center;gap:8px;padding:0}
.ps-body .gvdonut .lg li::before,.ps-body .donut li::before{display:none}
.ps-body .gvdonut .lg i,.ps-body .donut li i{width:10px;height:10px;border-radius:3px;flex:none}
.ps-body .gvdonut .lg b,.ps-body .donut li b{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}
.ps-body .gvul{margin:0 0 22px;padding:0;list-style:none;display:grid;gap:10px}
.ps-body .gvul>li{position:relative;padding-left:26px}
.ps-body .gvul>li::before{content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--tint)}
.ps-body ul.ticks{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:10px}
.ps-body ul.ticks li{display:flex;gap:12px;align-items:flex-start}
.ps-body ul.ticks svg{width:22px;height:22px;color:var(--mint);flex:none;margin-top:3px}
.ps-body .rv{opacity:1}
.ps-conv{background:linear-gradient(160deg,#FFFFFF,var(--soft));border:1px solid var(--line);border-radius:24px;padding:clamp(18px,3vw,28px);margin:28px 0;box-shadow:var(--shadow)}
.ps-conv h3{margin:0 0 4px}
.ps-conv>p{margin:0 0 16px;font-size:.95rem;color:var(--muted)}
.ps-conv .cv-in{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:12px;align-items:end}
.ps-conv label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.ps-conv .cv-tests{display:flex;flex-wrap:wrap;gap:6px}
.ps-conv .cv-tests button{min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);font:inherit;font-weight:600;font-size:.9rem;color:var(--muted);cursor:pointer}
.ps-conv .cv-tests button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#FFFFFF}
.ps-conv input{font-size:1.25rem!important;font-weight:600;text-align:center}
.ps-conv .cv-range{margin:16px 0 4px}
.ps-conv .cv-out{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}
.ps-conv .cv-out div{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px 12px;text-align:center}
.ps-conv .cv-out div.src{background:var(--tint);border-color:#CDE6FB}
.ps-conv .cv-out small{display:block;font-size:.78rem;color:var(--muted);font-weight:600}
.ps-conv .cv-out b{display:block;font-family:var(--display);font-size:1.45rem;font-weight:600;color:var(--navy);margin-top:4px;font-variant-numeric:tabular-nums}
.ps-conv .cv-cefr{margin-top:14px;padding:12px 16px;border-radius:14px;background:var(--ok-bg);color:var(--ok);font-size:.92rem;font-weight:500}
.ps-conv .cv-note{margin:12px 0 0;font-size:.8rem;color:var(--muted);line-height:1.55}
.ps-end{margin-top:48px;border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);background:linear-gradient(120deg,var(--navy),#2240C4 60%,var(--violet));color:#FFFFFF;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center}
.ps-end h2{color:#FFFFFF;margin:0;font-family:var(--display);font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.15;font-weight:400}
.ps-end h2 strong{font-weight:600}
.ps-end p{margin:8px 0 0;opacity:.85}
.ps-end .btn{background:#FFFFFF;color:var(--navy)}
.ps-end .btn .ar{background:var(--navy);color:#FFFFFF}
.ps-bn,.ps-bn .ps-title,.ps-bn .ps-body h2,.ps-bn .ps-body h3,.ps-bn .ps-body h4,.ps-bn .ps-end h2,.ps-bn .ps-conv,.ps-bn .ps-qa p,.ps-bn .ps-lead,.ps-bn .btn,.ps-bn .ps-toc a,.ps-bn .ps-author b,.ps-bn .ps-writer,.ps-bn .ps-cat,.ps-bn .ps-meta{font-family:"Anek Bangla",var(--font)}
.ps-bn .ps-title{font-weight:600;letter-spacing:0;line-height:1.25;max-width:24ch}
.ps-bn .ps-body{font-size:18.5px;line-height:1.85;font-weight:400}
.ps-bn .ps-body h2,.ps-bn .ps-body h3{letter-spacing:0;line-height:1.35}
.ps-bn .ps-qa p{font-weight:500;line-height:1.75}
.ps-bn .ps-body .gv-stat b,.ps-bn .ps-conv .cv-out b{font-family:var(--display)}
.ps-body .gv-steps.track{height:auto;display:grid;margin:22px 0 26px}
.ps-body .tile{margin:0;position:static;aspect-ratio:auto;overflow:visible;flex:initial;width:auto}
.ps-body .lg{width:auto;height:auto;flex:initial;border-radius:0;background:none;border:0;box-shadow:none;padding:0;place-items:initial}
.ps-body .faq{display:block}
.ps-body .seg{grid-column:auto}
.ps-body .tabs{display:block}
.ps-body .inline-cta .msg{max-width:none;padding:0;border-radius:0;background:none;animation:none;box-shadow:none;align-self:auto}
.ps-bn .ps-qa>span,.ps-bn .ps-card .k,.ps-bn .ps-toc b,.ps-bn .ps-body .gv-take h3{font-family:"Anek Bangla",var(--font);letter-spacing:0;text-transform:none;font-size:.86rem;font-weight:600}
.ps-body .gv-bar .lb{background:none;width:auto;height:auto;max-width:none;max-height:none;position:static;padding:0;margin:0;border:0;border-radius:0;box-shadow:none;inset:auto}
.ps-body .out .donut{grid-column:1 / -1}
.ps-body .out .donut ul,.ps-body .out .donut li,.ps-body .out .donut li b{color:#FFFFFF}
@media (max-width:1100px){
  .ps-grid{grid-template-columns:minmax(0,1fr) 270px;gap:36px}
}
@media (max-width:900px){
  .ps-grid{grid-template-columns:minmax(0,1fr)}
  .ps-main{max-width:none}
  .ps-side{display:block}
  .ps-side .ps-toc{display:none}
  .ps-toc-m{display:block;position:sticky;top:84px;z-index:40;margin:0 0 22px}
  .ps-toc-m details{background:rgb(255 255 255 / .96);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
  .ps-toc-m summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;font-weight:600;color:var(--ink);font-size:.95rem}
  .ps-toc-m summary::-webkit-details-marker{display:none}
  .ps-toc-m summary span{color:var(--brand-ink);font-weight:500;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:62%}
  .ps-toc-m ol{list-style:none;margin:0;padding:0 8px 10px;display:grid;max-height:55vh;overflow:auto}
  .ps-toc-m a{display:block;padding:9px 10px;border-radius:10px;text-decoration:none;color:var(--text);font-size:.95rem;line-height:1.4}
  .ps-toc-m a.on{background:var(--tint);color:var(--brand-ink);font-weight:600}
  .ps-cover{aspect-ratio:16/10}
  .ps-end{grid-template-columns:minmax(0,1fr)}
  .ps-body .gvcalc{grid-template-columns:minmax(0,1fr)}
  .ps-body .ctl{grid-template-columns:minmax(0,1fr)}
  .ps-conv .cv-out{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .ps-body{font-size:17px;line-height:1.75}
  .ps-bn .ps-body{font-size:17.5px}
  .ps-body h2{margin-top:44px}
  .ps-qa{padding-left:18px}
  .ps-body .gv-bar{grid-template-columns:minmax(0,1fr)}
  .ps-body .gv-fill em{left:auto;right:8px;margin:0;color:#FFFFFF}
  .ps-body .gvrange .rrow{grid-template-columns:minmax(0,1fr) auto}
  .ps-body .gvrange .rt{grid-column:1 / -1;order:3}
  .ps-body .gvdonut,.ps-body .donut{grid-template-columns:minmax(0,1fr);justify-items:center}
  .ps-body .gvdonut .lg{width:100%}
  .ps-body .inline-cta{grid-template-columns:minmax(0,1fr)}
  .ps-body .inline-cta form{flex-wrap:wrap}
  .ps-body .inline-cta input{flex:1;width:auto}
  .ps-conv .cv-in{grid-template-columns:minmax(0,1fr)}
  .ps-body .gv-stats,.ps-body .gvstats,.ps-body .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ps-body .gv-stat b,.ps-body .gvstat b,.ps-body .tile b{font-size:1.3rem}
}
@media print{.ps-side,.ps-toc-m,.ps-end,.progress{display:none}.ps-grid{grid-template-columns:minmax(0,1fr)}}