.article-v7{background:#fff}.ar-hero{padding:22px 0 30px;background:linear-gradient(180deg,#fff,#fff8f7)}.ar-wrap{width:min(850px,calc(100% - 40px));margin:auto}.ar-breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:#81899a;font-size:.78rem;font-weight:800}.ar-hero h1{font-size:clamp(2.8rem,4.2vw,4.4rem);line-height:.9;letter-spacing:-.063em;margin:17px 0}.ar-deck{font-size:1rem;color:#586074;max-width:760px}.ar-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.ar-pill{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.75rem;font-weight:850;color:#5c6477}.ar-content{padding:70px 0 100px}.ar-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:60px;align-items:start}.ar-body h2{font-size:2.2rem;line-height:1.05;letter-spacing:-.04em;margin:46px 0 14px}.ar-body h2:first-child{margin-top:0}.ar-body p,.ar-body li{font-size:1rem;color:#4f586b;line-height:1.78}.ar-callout{margin:38px 0;padding:25px;border-radius:22px;background:#f7e7e8;border-left:5px solid var(--rose)}.ar-callout strong{display:block;color:var(--navy);margin-bottom:6px}.ar-aside{position:sticky;top:112px}.ar-aside-box{padding:24px;border-radius:24px;background:var(--navy);color:#fff}.ar-aside-box h3{font-size:1.45rem;line-height:1.05;margin:0 0 10px}.ar-aside-box p{color:#bdc5d5;font-size:.86rem}.ar-aside-box .btn{width:100%;margin-top:10px}.ar-back{display:inline-flex;margin-top:22px;font-weight:850;color:var(--rose2)}
@media(max-width:900px){.ar-layout{grid-template-columns:1fr}.ar-aside{position:static}.ar-aside-box{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.ar-aside-box .btn{width:auto;margin:0}}
@media(max-width:680px){.ar-wrap{width:calc(100% - 28px)}.ar-hero{padding:30px 0 38px}.ar-hero h1{font-size:clamp(2.75rem,12.8vw,4.1rem)}.ar-content{padding:55px 0 75px}.ar-aside-box{grid-template-columns:1fr}.ar-aside-box .btn{width:100%}}

/* =========================================================
   VistaFin V10 — Long-form editorial article system
   ========================================================= */
.article-v10{background:#fff;color:var(--text)}
.article-progress{position:fixed;top:82px;left:0;right:0;height:3px;z-index:850;background:transparent;pointer-events:none}
.article-progress>span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--rose),#e8a7af);transition:width .08s linear}
.ar10-hero{padding:12px 0 26px;background:linear-gradient(180deg,#fff 0%,#fff 48%,#fbf7f5 100%);overflow:hidden}
.ar10-breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.75rem;font-weight:780;color:#8a91a0;margin:8px 0 28px}
.ar10-breadcrumb a:hover{color:var(--rose2)}
.ar10-hero-shell{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);min-height:455px;border-radius:32px;overflow:hidden;background:var(--navy);box-shadow:0 28px 75px rgba(16,22,41,.13)}
.ar10-hero-copy{padding:32px 38px 30px;color:#fff;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}
.ar10-kicker{display:inline-flex;align-items:center;gap:10px;color:#f2b3bb;text-transform:uppercase;letter-spacing:.13em;font-size:.69rem;font-weight:900}
.ar10-kicker::before{content:"";width:28px;height:2px;background:currentColor;border-radius:3px}
.ar10-hero h1{font-size:clamp(2.9rem,4.15vw,4.35rem);line-height:.89;letter-spacing:-.068em;margin:13px 0 15px;max-width:780px}
.ar10-hero h1 em{font-style:normal;color:#f2b3bb}
.ar10-deck{font-size:1.05rem;line-height:1.68;color:#d8deea;max-width:680px;margin:0}
.ar10-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}
.ar10-meta span{padding:8px 11px;border:1px solid rgba(255,255,255,.16);border-radius:999px;font-size:.68rem;font-weight:820;color:#e5e9f1;background:rgba(255,255,255,.04)}
.ar10-hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:20px}
.ar10-hero-actions .btn{min-height:48px;padding-inline:22px}
.ar10-hero-actions a:not(.btn){font-size:.78rem;font-weight:850;color:#e9edf4;display:flex;align-items:center;gap:7px}
.ar10-hero-actions a:not(.btn)::after{content:"↓";color:#f2b3bb}
.ar10-hero-media{position:relative;margin:0;background:#d2a7a0;min-height:455px;overflow:hidden}
.ar10-hero-media>img{width:100%;height:100%;object-fit:cover;object-position:center 45%;filter:saturate(.93) contrast(.98)}
.ar10-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,22,41,.34),transparent 32%),linear-gradient(0deg,rgba(16,22,41,.15),transparent 42%);pointer-events:none}
.ar10-fraction-card{position:absolute;right:24px;top:24px;z-index:2;width:185px;padding:18px;border-radius:22px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 20px 60px rgba(16,22,41,.2);color:var(--navy)}
.ar10-fraction-card small{display:block;text-transform:uppercase;letter-spacing:.11em;font-size:.59rem;font-weight:900;color:#8a6570}
.ar10-fraction-card strong{display:block;font-size:4.35rem;line-height:.9;letter-spacing:-.085em;margin:9px 0 4px;color:var(--rose2)}
.ar10-fraction-card p{font-size:.68rem;line-height:1.4;margin:0;color:#636b7d}
.ar10-photo-caption{position:absolute;left:22px;bottom:20px;z-index:2;padding:10px 13px;border-radius:13px;background:rgba(16,22,41,.78);backdrop-filter:blur(8px);color:#fff;font-size:.64rem;font-weight:780}

.ar10-quick{padding:0 0 76px;background:#fbf7f5}
.ar10-quick-grid{display:grid;grid-template-columns:1.15fr repeat(4,1fr);gap:10px}
.ar10-quick-title,.ar10-quick-card{min-height:154px;border-radius:24px;padding:22px;border:1px solid #ece7e5;background:#fff}
.ar10-quick-title{background:#f0d5d7;border-color:#f0d5d7;display:flex;flex-direction:column;justify-content:space-between}
.ar10-quick-title span{font-size:.67rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:#8e555e}
.ar10-quick-title strong{font-size:2rem;line-height:.96;letter-spacing:-.045em;color:var(--navy)}
.ar10-quick-card b{display:block;font-size:1.55rem;line-height:1;color:var(--navy);letter-spacing:-.045em;margin-bottom:9px}
.ar10-quick-card p{margin:0;color:#6a7284;font-size:.76rem;line-height:1.48}
.ar10-quick-card:nth-child(3){background:#f5faf9}.ar10-quick-card:nth-child(4){background:#f8f4ff}.ar10-quick-card:nth-child(5){background:#fffaf3}

.ar10-main{padding:92px 0 115px}
.ar10-layout{display:grid;grid-template-columns:250px minmax(0,790px);gap:68px;justify-content:center;align-items:start}
.ar10-toc{position:sticky;top:115px}
.ar10-toc-label{font-size:.63rem;text-transform:uppercase;letter-spacing:.13em;font-weight:900;color:#9a8290;margin-bottom:14px}
.ar10-toc nav{display:grid;gap:2px;border-left:1px solid #e8e4e6;padding-left:14px}
.ar10-toc a{font-size:.75rem;line-height:1.35;color:#71798a;padding:7px 9px;border-radius:10px;transition:.18s}
.ar10-toc a:hover,.ar10-toc a.active{color:var(--navy);background:#fff4f3;font-weight:800}
.ar10-toc-cta{margin-top:24px;padding:20px;border-radius:20px;background:var(--navy);color:#fff}
.ar10-toc-cta strong{display:block;font-size:1.05rem;line-height:1.15;margin-bottom:7px}.ar10-toc-cta p{font-size:.76rem;color:#d4daea;margin:0 0 14px;line-height:1.55}.ar10-toc-cta .btn{width:100%;min-height:56px;padding:14px 18px;font-size:1rem;font-weight:900;letter-spacing:-.02em;background:#d89aa2;color:var(--navy)!important;box-shadow:none}.ar10-toc-cta .btn:hover{background:#e4aab2;transform:translateY(-1px)}
.ar10-body{min-width:0}
.ar10-body>section{scroll-margin-top:115px;margin-bottom:88px}
.ar10-body>section:last-child{margin-bottom:0}
.ar10-section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--rose2);font-size:.66rem;letter-spacing:.11em;text-transform:uppercase;font-weight:900;margin-bottom:10px}
.ar10-section-kicker::before{content:"";width:19px;height:2px;background:currentColor}
.ar10-body h2{font-size:clamp(2.65rem,4.6vw,4.65rem);line-height:.92;letter-spacing:-.06em;margin:0 0 24px;color:var(--navy)}
.ar10-body h3{font-size:1.65rem;line-height:1.05;letter-spacing:-.035em;color:var(--navy);margin:32px 0 12px}
.ar10-body p,.ar10-body li{font-size:1rem;line-height:1.78;color:#4e586b}
.ar10-body p{margin:0 0 19px}
.ar10-body ul,.ar10-body ol{padding-left:22px;margin:18px 0 24px}.ar10-body li+li{margin-top:9px}
.ar10-body strong{color:#22293b}
.ar10-lead{font-size:1.22rem!important;line-height:1.65!important;color:#353e52!important;margin-bottom:28px!important}
.ar10-mark{background:linear-gradient(180deg,transparent 58%,#f6dadd 58%)}
.ar10-note{margin:30px 0;padding:22px 24px;border-radius:20px;background:#fff5f4;border:1px solid #f1dfdf;color:#515a6c;font-size:.88rem;line-height:1.6}
.ar10-note b{color:var(--navy)}

.ar10-definition{display:grid;grid-template-columns:1fr .85fr;gap:22px;margin:34px 0}
.ar10-definition-copy{padding:30px;border-radius:28px;background:var(--navy);color:#fff}.ar10-definition-copy span{color:#f0abb5;font-size:.65rem;text-transform:uppercase;letter-spacing:.11em;font-weight:900}.ar10-definition-copy strong{display:block;color:#fff;font-size:3.2rem;line-height:.92;letter-spacing:-.065em;margin:14px 0}.ar10-definition-copy p{color:#c9d0df;margin:0;font-size:.86rem}
.ar10-definition-side{display:grid;gap:10px}.ar10-definition-mini{padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff}.ar10-definition-mini b{display:block;font-size:1.2rem;margin-bottom:4px}.ar10-definition-mini p{font-size:.76rem;line-height:1.5;margin:0;color:#6d7586}

.ar10-steps{display:grid;gap:12px;margin:34px 0}
.ar10-step{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:24px;border:1px solid var(--line);border-radius:23px;background:#fff;transition:.2s}
.ar10-step:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(16,22,41,.07)}
.ar10-step-num{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:#f4dfe1;color:#a65764;font-weight:950;font-size:.76rem}
.ar10-step h3{margin:2px 0 7px;font-size:1.35rem}.ar10-step p{font-size:.87rem;line-height:1.57;margin:0;color:#667083}

.ar10-calculator{margin:38px 0;border-radius:32px;overflow:hidden;background:var(--navy);color:#fff;box-shadow:0 25px 65px rgba(16,22,41,.12)}
.ar10-calc-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;padding:34px 34px 24px}
.ar10-calc-head small{display:block;color:#f0a7b1;font-size:.64rem;text-transform:uppercase;letter-spacing:.12em;font-weight:900;margin-bottom:8px}
.ar10-calc-head h3{font-size:2.45rem;line-height:.94;letter-spacing:-.055em;color:#fff;margin:0}.ar10-calc-head p{max-width:270px;margin:0;color:#b9c2d3;font-size:.74rem;line-height:1.5;text-align:right}
.ar10-calc-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:0;border-top:1px solid rgba(255,255,255,.1)}
.ar10-calc-controls{padding:32px 34px;border-right:1px solid rgba(255,255,255,.1)}
.ar10-control{margin-bottom:24px}.ar10-control:last-child{margin-bottom:0}.ar10-control label{display:flex;justify-content:space-between;gap:12px;font-size:.72rem;color:#c9d0df;font-weight:800;margin-bottom:12px}.ar10-control label strong{color:#fff;font-size:.88rem}
.ar10-control input[type="range"]{width:100%;accent-color:var(--rose);cursor:pointer}
.ar10-months{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.ar10-months button{border:1px solid rgba(255,255,255,.15);background:#1a2340;color:#c7cfdd;border-radius:13px;padding:10px;font-weight:850;cursor:pointer}.ar10-months button.active{background:#f0d5d7;color:var(--navy);border-color:#f0d5d7}
.ar10-calc-output{padding:34px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,#171f39,#101629)}
.ar10-calc-output span{font-size:.65rem;color:#aab4c8;text-transform:uppercase;letter-spacing:.1em;font-weight:850}.ar10-calc-output strong{font-size:4.7rem;line-height:.9;color:#f0b3bb;letter-spacing:-.07em;margin:10px 0 14px}.ar10-calc-output p{font-size:.72rem;color:#b7c0d0;line-height:1.5;margin:0}
.ar10-calc-foot{padding:14px 34px 20px;color:#8f9ab0;font-size:.61rem;line-height:1.5;border-top:1px solid rgba(255,255,255,.08)}

.ar10-bento{display:grid;grid-template-columns:1.08fr .92fr;gap:12px;margin:32px 0}
.ar10-bento-card{border:1px solid var(--line);border-radius:25px;padding:25px;background:#fff;min-height:185px}.ar10-bento-card.large{grid-row:span 2;background:#f3dadd;border-color:#f3dadd;display:flex;flex-direction:column;justify-content:space-between}.ar10-bento-card.dark{background:var(--navy);border-color:var(--navy);color:#fff}.ar10-bento-card small{display:block;text-transform:uppercase;letter-spacing:.11em;font-size:.6rem;font-weight:900;color:#9c6b75}.ar10-bento-card.dark small{color:#efacb5}.ar10-bento-card strong{display:block;font-size:2.2rem;line-height:.98;letter-spacing:-.05em;margin:10px 0;color:var(--navy)}.ar10-bento-card.large strong{font-size:4.6rem;letter-spacing:-.08em}.ar10-bento-card.dark strong{color:#fff}.ar10-bento-card p{font-size:.76rem;line-height:1.52;margin:0;color:#667083}.ar10-bento-card.dark p{color:#bcc5d6}

.ar10-photo-block{margin:38px 0;border-radius:30px;overflow:hidden;position:relative;min-height:430px;background:#c9a492}
.ar10-photo-block img{width:100%;height:430px;object-fit:cover}.ar10-photo-block::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,22,41,.82),rgba(16,22,41,.26) 60%,transparent)}
.ar10-photo-copy{position:absolute;left:32px;top:50%;transform:translateY(-50%);z-index:2;color:#fff;max-width:380px}.ar10-photo-copy small{font-size:.61rem;text-transform:uppercase;letter-spacing:.12em;color:#efb4bc;font-weight:900}.ar10-photo-copy strong{display:block;font-size:2.8rem;line-height:.94;letter-spacing:-.055em;color:#fff;margin:12px 0}.ar10-photo-copy p{font-size:.79rem;line-height:1.58;color:#e0e5ee;margin:0}

.ar10-profiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:32px 0}.ar10-profile{border:1px solid var(--line);border-radius:23px;padding:23px;background:#fff}.ar10-profile:nth-child(2){background:#fff8f7}.ar10-profile:nth-child(3){background:#f6faf9}.ar10-profile span{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:11px;background:var(--navy);color:#fff;font-size:.65rem;font-weight:950}.ar10-profile h3{font-size:1.28rem;margin:17px 0 8px}.ar10-profile p{font-size:.78rem;line-height:1.55;margin:0}

.ar10-table-wrap{overflow:auto;margin:30px 0;border:1px solid var(--line);border-radius:24px}.ar10-table{width:100%;border-collapse:collapse;min-width:690px;background:#fff}.ar10-table th,.ar10-table td{text-align:left;padding:17px 18px;border-bottom:1px solid var(--line);font-size:.79rem;vertical-align:top}.ar10-table th{background:#f8f5f4;color:#747d8f;text-transform:uppercase;letter-spacing:.08em;font-size:.61rem}.ar10-table tr:last-child td{border-bottom:0}.ar10-table td:first-child{font-weight:850;color:var(--navy);width:24%}

.ar10-split{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:32px 0}.ar10-split-box{border-radius:25px;padding:26px;background:#f5faf9;border:1px solid #e0eeea}.ar10-split-box.attention{background:#fff6f2;border-color:#f1dfd6}.ar10-split-box h3{margin:0 0 16px;font-size:1.45rem}.ar10-split-box ul{padding-left:18px;margin:0}.ar10-split-box li{font-size:.79rem;line-height:1.56}.ar10-split-box li+li{margin-top:8px}

.ar10-inline-cta{margin:44px 0;padding:32px;border-radius:28px;background:#cc858f;color:#fff;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;position:relative;overflow:hidden}.ar10-inline-cta::after{content:"1/5";position:absolute;right:160px;bottom:-35px;font-size:8rem;line-height:1;font-weight:950;color:rgba(255,255,255,.09);letter-spacing:-.08em}.ar10-inline-cta h3{color:#fff;margin:0 0 8px;font-size:2.1rem;position:relative;z-index:2}.ar10-inline-cta p{color:#fff0f2;font-size:.78rem;line-height:1.5;margin:0;max-width:500px;position:relative;z-index:2}.ar10-inline-cta .btn{position:relative;z-index:2;background:var(--navy);white-space:nowrap;box-shadow:none}.ar10-inline-cta .btn:hover{background:#222b49}

.ar10-sourcebox{margin:34px 0 0;padding:25px;border-radius:24px;background:#f7f7f9;border:1px solid #e5e6ea}.ar10-sourcebox h3{font-size:1.25rem;margin:0 0 10px}.ar10-sourcebox p{font-size:.75rem;line-height:1.55;margin:0 0 12px}.ar10-source-links{display:grid;gap:8px}.ar10-source-links a{font-size:.75rem;font-weight:820;color:var(--rose2);display:flex;gap:8px;align-items:flex-start}.ar10-source-links a::before{content:"↗";color:#9b6670}

.ar10-faq{padding-top:8px}.ar10-faq .faq-list{gap:8px}.ar10-faq .faq-item{border-radius:17px}.ar10-faq .faq-q{font-size:.9rem;padding:18px}.ar10-faq .faq-a{font-size:.82rem;line-height:1.62;padding:0 18px 18px}
.ar10-related{padding:86px 0 104px;background:#fbf7f5}.ar10-related-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}.ar10-related-head h2{font-size:clamp(2.6rem,4vw,4.2rem);line-height:.94;letter-spacing:-.055em;margin:0}.ar10-related-head a{font-size:.78rem;font-weight:900;color:var(--rose2)}
.ar10-related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.ar10-related-card{border-radius:26px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:.2s}.ar10-related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}.ar10-related-card img{width:100%;height:220px;object-fit:cover}.ar10-related-card div{padding:24px}.ar10-related-card small{font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:#9b6c75;font-weight:900}.ar10-related-card h3{font-size:1.55rem;line-height:1.05;letter-spacing:-.04em;margin:11px 0 8px}.ar10-related-card p{font-size:.78rem;line-height:1.5;color:#687184;margin:0}

@media(max-width:1050px){
  .ar10-hero-shell{grid-template-columns:1fr .82fr}.ar10-hero-copy{padding:40px 38px}.ar10-hero h1{font-size:clamp(3.15rem,6.2vw,4.9rem)}
  .ar10-quick-grid{grid-template-columns:1fr 1fr 1fr}.ar10-quick-title{grid-row:span 2}.ar10-layout{grid-template-columns:210px minmax(0,700px);gap:42px}
}
@media(max-width:860px){
  .article-progress{top:82px}.ar10-hero{padding-top:12px}.ar10-hero-shell{grid-template-columns:1fr;border-radius:27px}.ar10-hero-media{min-height:360px}.ar10-hero-copy{padding:34px 30px 30px}.ar10-hero h1{font-size:clamp(3rem,10vw,4.45rem)}
  .ar10-quick-grid{grid-template-columns:1fr 1fr}.ar10-quick-title{grid-row:auto;grid-column:1/3}.ar10-layout{grid-template-columns:1fr;max-width:790px}.ar10-toc{position:static;display:none}
  .ar10-definition{grid-template-columns:1fr}.ar10-bento{grid-template-columns:1fr 1fr}.ar10-bento-card.large{grid-row:auto;grid-column:1/3}.ar10-profiles{grid-template-columns:1fr}.ar10-inline-cta{grid-template-columns:1fr;align-items:start}.ar10-inline-cta::after{right:-15px;bottom:-10px}.ar10-calc-grid{grid-template-columns:1fr}.ar10-calc-controls{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}.ar10-calc-head{grid-template-columns:1fr;align-items:start}.ar10-calc-head p{text-align:left;max-width:520px}.ar10-split{grid-template-columns:1fr}
}
@media(max-width:600px){
  .ar10-hero{padding-bottom:38px}.ar10-breadcrumb{margin-bottom:14px}.ar10-hero-shell{border-radius:22px}.ar10-hero-copy{padding:28px 22px 24px}.ar10-hero h1{font-size:clamp(2.75rem,13.2vw,3.9rem);margin:14px 0 17px}.ar10-deck{font-size:.9rem;line-height:1.5}.ar10-hero-actions{align-items:stretch;flex-direction:column;margin-top:22px}.ar10-hero-actions .btn{width:100%}.ar10-hero-media{min-height:300px}.ar10-fraction-card{right:14px;top:14px;width:155px;padding:15px}.ar10-fraction-card strong{font-size:3.6rem}.ar10-photo-caption{left:14px;bottom:14px}
  .ar10-quick{padding-bottom:56px}.ar10-quick-grid{grid-template-columns:1fr 1fr;gap:8px}.ar10-quick-title{grid-column:1/3}.ar10-quick-title,.ar10-quick-card{min-height:138px;padding:18px;border-radius:20px}.ar10-quick-card b{font-size:1.35rem}
  .ar10-main{padding:68px 0 84px}.ar10-body>section{margin-bottom:70px}.ar10-body h2{font-size:clamp(2.75rem,13vw,4rem)}.ar10-body h3{font-size:1.45rem}.ar10-body p,.ar10-body li{font-size:.94rem}.ar10-lead{font-size:1.08rem!important}.ar10-definition-copy strong{font-size:2.65rem}.ar10-step{grid-template-columns:46px 1fr;padding:19px;gap:14px}.ar10-step-num{width:42px;height:42px;border-radius:13px}
  .ar10-calculator{border-radius:24px}.ar10-calc-head,.ar10-calc-controls,.ar10-calc-output{padding:26px 22px}.ar10-calc-head h3{font-size:2.05rem}.ar10-calc-output strong{font-size:3.9rem}.ar10-calc-foot{padding:13px 22px 18px}.ar10-bento{grid-template-columns:1fr}.ar10-bento-card.large{grid-column:auto}.ar10-bento-card.large strong{font-size:4rem}.ar10-photo-block,.ar10-photo-block img{min-height:500px;height:500px}.ar10-photo-block::after{background:linear-gradient(0deg,rgba(16,22,41,.88),rgba(16,22,41,.05) 72%)}.ar10-photo-copy{left:22px;right:22px;top:auto;bottom:26px;transform:none}.ar10-photo-copy strong{font-size:2.4rem}.ar10-inline-cta{padding:26px;border-radius:24px}.ar10-inline-cta h3{font-size:1.85rem}.ar10-related{padding:68px 0 82px}.ar10-related-head{align-items:flex-start;flex-direction:column}.ar10-related-grid{grid-template-columns:1fr}.ar10-related-card img{height:210px}
}
@media(prefers-reduced-motion:reduce){.ar10-step,.ar10-related-card,.article-progress>span{transition:none}}

/* Mobile floating CTA */
.mobile-floating-cta{display:none}
@media(max-width:860px){
  body{padding-bottom:92px}
  .mobile-floating-cta{
    position:fixed;left:14px;right:14px;bottom:max(12px,env(safe-area-inset-bottom));z-index:880;
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    min-height:58px;padding:14px 20px;border-radius:18px;
    background:#c87c86;color:#fff;font-weight:900;font-size:1rem;letter-spacing:-.015em;
    box-shadow:0 16px 45px rgba(16,22,41,.26);border:1px solid rgba(255,255,255,.3);
    transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
  }
  .mobile-floating-cta:active{transform:translateY(1px);background:#ad5f6b}
  .mobile-floating-cta span:last-child{display:grid;place-items:center;width:30px;height:30px;border-radius:999px;background:rgba(255,255,255,.18);font-size:1.2rem}
}

@media (min-width:981px) and (max-height:900px){.ar10-hero{padding:8px 0 20px}.ar10-hero-shell,.ar10-hero-media{min-height:420px}.ar10-hero-copy{padding:26px 34px 24px}.ar10-hero h1{font-size:clamp(2.7rem,3.85vw,4rem);margin:10px 0 13px}.ar10-deck{font-size:.9rem;line-height:1.48}.ar10-hero-actions{margin-top:16px}.ar10-meta{margin-top:14px}}
\n/* V4 compact desktop article hero */
@media (min-width:981px){
  .article-progress{top:72px}
  .ar10-hero{padding:8px 0 18px}
  .ar10-breadcrumb{margin:6px 0 16px;font-size:.68rem}
  .ar10-hero-shell{grid-template-columns:minmax(0,1.06fr) minmax(340px,.94fr);min-height:390px;max-height:420px;border-radius:28px}
  .ar10-hero-copy{padding:24px 32px 22px}
  .ar10-hero h1{font-size:clamp(2.45rem,3.05vw,3.25rem);line-height:.91;margin:10px 0 12px}
  .ar10-deck{font-size:.88rem;line-height:1.5}
  .ar10-meta{margin-top:14px;gap:7px}
  .ar10-meta span{padding:6px 9px;font-size:.59rem}
  .ar10-hero-actions{margin-top:14px}
  .ar10-hero-actions .btn{min-height:42px;padding:10px 18px;font-size:.8rem}
  .ar10-hero-media{min-height:390px;max-height:420px}
  .ar10-fraction-card{right:16px;top:16px;width:160px;padding:14px;border-radius:18px}
  .ar10-fraction-card strong{font-size:3.35rem}
  .ar10-photo-caption{left:16px;bottom:14px}
}