:root{--brdg-navy:#001b4f;--brdg-blue:#0b3fad;--brdg-sky:#168bff;--brdg-red:#d40f1f;--brdg-orange:#f59e0b;--brdg-text:#10213b;--brdg-muted:#53647b;--brdg-soft:#f7fbff;--brdg-line:rgba(0,27,79,.14);--brdg-shadow:0 18px 50px rgba(0,27,79,.10)}
.brdg-page,.brdg-page *{box-sizing:border-box}.brdg-page{width:calc(100% - 5cm)!important;max-width:none!important;margin:32px 2.5cm 80px!important;color:var(--brdg-text);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.65}.brdg-page img{display:block;max-width:100%;height:auto}.brdg-page p{margin:0 0 16px}.brdg-page a{overflow-wrap:anywhere}.brdg-skip{position:fixed;left:12px;top:-80px;z-index:99999;padding:12px 18px;border-radius:8px;background:#fff;color:var(--brdg-navy);font-weight:800}.brdg-skip:focus{top:12px}.brdg-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;color:var(--brdg-muted);font-size:14px}.brdg-breadcrumb a{color:var(--brdg-blue);font-weight:800;text-decoration:none}.brdg-hero,.brdg-section,.brdg-final,.brdg-toc{position:relative;overflow:hidden;border:1px solid var(--brdg-line);box-shadow:var(--brdg-shadow)}.brdg-hero:before,.brdg-section:before,.brdg-final:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--brdg-navy),var(--brdg-sky),var(--brdg-red),var(--brdg-orange))}.brdg-hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(380px,.92fr);gap:30px;align-items:center;padding:42px;border-radius:34px;background:linear-gradient(135deg,#fff,#f5faff 68%,#fff4f4)}.brdg-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;padding:7px 12px;border-radius:999px;background:#fff0f1;color:var(--brdg-red);font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.brdg-kicker:before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brdg-sky),var(--brdg-red))}.brdg-hero h1{max-width:20ch;margin:0 0 18px;color:var(--brdg-navy);font-size:clamp(38px,4.6vw,70px);line-height:1.02;letter-spacing:-.035em}.brdg-lead{max-width:70ch;font-size:clamp(18px,1.5vw,23px);color:#13294c}.brdg-sublead{max-width:72ch;color:var(--brdg-muted);font-size:16.5px}.brdg-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.brdg-btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:12px 22px;border-radius:999px;text-decoration:none!important;font-weight:900;transition:transform .18s ease,box-shadow .18s ease}.brdg-btn:hover{transform:translateY(-1px);box-shadow:0 10px 25px rgba(0,27,79,.14)}.brdg-primary{color:#fff!important;background:linear-gradient(135deg,var(--brdg-navy),var(--brdg-blue))}.brdg-secondary{color:#fff!important;background:linear-gradient(135deg,var(--brdg-red),#f04452)}.brdg-light{color:var(--brdg-navy)!important;background:#fff}.brdg-outline{color:#fff!important;border:1px solid rgba(255,255,255,.6);background:transparent}.brdg-hero-media,.brdg-media{margin:0;padding:12px;background:#fff;border-radius:26px;box-shadow:0 16px 34px rgba(0,27,79,.14)}.brdg-hero-media img,.brdg-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px}.brdg-hero-media figcaption,.brdg-media figcaption{padding:9px 4px 0;color:var(--brdg-muted);font-size:13px}.brdg-toc{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;padding:16px 20px;border-radius:20px;background:#fff}.brdg-toc strong{margin-right:4px;color:var(--brdg-navy)}.brdg-toc a{padding:7px 11px;border-radius:999px;background:#eef5ff;color:var(--brdg-blue);font-size:13px;font-weight:800;text-decoration:none}.brdg-section{margin-top:26px;padding:40px;border-radius:28px;background:linear-gradient(180deg,#fff,var(--brdg-soft))}.brdg-head{margin-bottom:22px}.brdg-head>p,.brdg-reading,.brdg-example{max-width:78ch}.brdg-section h2,.brdg-final h2{margin:0 0 13px;color:var(--brdg-navy);font-size:clamp(27px,2.7vw,42px);line-height:1.15;letter-spacing:-.025em}.brdg-section h3{margin:0 0 9px;color:var(--brdg-navy);font-size:20px;line-height:1.3}.brdg-grid{display:grid;gap:16px}.brdg-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.brdg-card{height:100%;padding:22px;border:1px solid var(--brdg-line);border-radius:20px;background:#fff;box-shadow:0 10px 24px rgba(0,27,79,.06)}.brdg-card-accent{border-top:5px solid var(--brdg-blue)}.brdg-card p{margin:0;color:#33445d}.brdg-visual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:stretch}.brdg-answer{grid-column:1/-1;padding:22px;border-radius:20px;border:1px solid rgba(11,63,173,.18);background:linear-gradient(135deg,#eef5ff,#fff)}.brdg-answer p:last-child{margin-bottom:0}.brdg-callout{display:flex;gap:14px;align-items:flex-start;max-width:88ch;margin-top:22px;padding:18px 20px;border-left:5px solid var(--brdg-orange);border-radius:14px;background:#fff8e9}.brdg-callout strong{color:var(--brdg-navy);white-space:nowrap}.brdg-table-wrap{overflow-x:auto;border:1px solid var(--brdg-line);border-radius:20px;background:#fff}.brdg-table-wrap table{width:100%;min-width:720px;border-collapse:collapse}.brdg-table-wrap th,.brdg-table-wrap td{padding:15px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #e7eef8}.brdg-table-wrap thead th{background:linear-gradient(135deg,var(--brdg-navy),var(--brdg-blue));color:#fff}.brdg-table-wrap tbody th{width:23%;color:var(--brdg-navy);font-weight:900}.brdg-table-wrap tr:last-child th,.brdg-table-wrap tr:last-child td{border-bottom:0}.brdg-checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none}.brdg-checklist li{position:relative;padding:14px 16px 14px 44px;border-radius:15px;background:#eef5ff}.brdg-checklist li:before{content:"✓";position:absolute;left:15px;top:13px;width:21px;height:21px;border-radius:50%;background:var(--brdg-blue);color:#fff;text-align:center;line-height:21px;font-weight:900}.brdg-checklist-warn li{background:#fff7ec}.brdg-checklist-warn li:before{content:"!";background:var(--brdg-orange);color:#392400}.brdg-example{padding:24px;border-radius:20px;border:1px solid rgba(11,63,173,.17);background:#fff}.brdg-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.brdg-link-card{display:flex;flex-direction:column;gap:8px;min-height:150px;padding:22px;border-top:5px solid var(--brdg-red);border-radius:18px;background:#fff;color:var(--brdg-text);text-decoration:none!important;box-shadow:0 10px 24px rgba(0,27,79,.07)}.brdg-link-card strong{color:var(--brdg-navy);font-size:18px}.brdg-link-card span{color:var(--brdg-muted)}.brdg-faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.brdg-faq{border:1px solid var(--brdg-line);border-radius:16px;background:#fff;overflow:hidden}.brdg-faq summary{position:relative;cursor:pointer;padding:18px 50px 18px 20px;color:var(--brdg-navy);font-weight:900;list-style:none}.brdg-faq summary::-webkit-details-marker{display:none}.brdg-faq summary:after{content:"+";position:absolute;right:18px;top:13px;font-size:25px;color:var(--brdg-red)}.brdg-faq[open] summary:after{content:"−"}.brdg-faq p{padding:0 20px 18px;margin:0;color:#33445d}.brdg-final{margin-top:26px;padding:40px;border-radius:28px;background:linear-gradient(135deg,var(--brdg-navy),var(--brdg-blue));color:#fff}.brdg-final h2{color:#fff;max-width:24ch}.brdg-final p{max-width:76ch;font-size:17px}.brdg-final .brdg-kicker{background:rgba(255,255,255,.13);color:#fff}
@media(max-width:1180px){.brdg-page{width:calc(100% - 40px)!important;margin:24px 20px 70px!important}.brdg-hero{grid-template-columns:1fr}.brdg-hero h1{max-width:none}.brdg-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.brdg-related{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.brdg-page{width:calc(100% - 28px)!important;margin:18px 14px 60px!important}.brdg-hero,.brdg-section,.brdg-final{padding:25px;border-radius:22px}.brdg-visual-grid,.brdg-faq-grid,.brdg-checklist,.brdg-related,.brdg-grid-4{grid-template-columns:1fr}.brdg-toc{align-items:flex-start}.brdg-callout{display:block}.brdg-callout strong{display:block;margin-bottom:6px}.brdg-btn{width:100%}.brdg-hero h1{font-size:clamp(34px,11vw,52px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.brdg-page *{transition:none!important;animation:none!important}}
/* V3: approved-image plan and balanced worked-example sections */
.brdg-page img{background:linear-gradient(135deg,#eef5ff,#fff);color:transparent}
#worked-example .brdg-head{max-width:none}
.brdg-example-layout{display:grid;grid-template-columns:minmax(0,1.14fr) minmax(330px,.86fr);gap:20px;align-items:stretch}
.brdg-example-layout .brdg-example{max-width:none;height:100%;padding:26px;border-radius:22px;border:1px solid rgba(11,63,173,.17);background:linear-gradient(145deg,#fff,#f8fbff)}
.brdg-example-main p:last-child{margin-bottom:0}
.brdg-example-side{height:100%;padding:24px;border-radius:22px;border:1px solid rgba(0,27,79,.14);background:linear-gradient(145deg,#001b4f,#0b3fad);color:#fff;box-shadow:0 14px 30px rgba(0,27,79,.16)}
.brdg-example-side h3{margin:7px 0 7px;color:#fff;font-size:clamp(21px,1.8vw,29px)}
.brdg-side-label{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.14);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.brdg-side-intro{margin:0 0 14px;color:rgba(255,255,255,.84);font-size:14px}
.brdg-snapshot-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.brdg-snapshot-item{display:grid;gap:3px;padding:13px 14px;border:1px solid rgba(255,255,255,.18);border-radius:15px;background:rgba(255,255,255,.09)}
.brdg-snapshot-item strong{color:#fff;font-size:14px}
.brdg-snapshot-item span{color:rgba(255,255,255,.86);font-size:13.5px;line-height:1.48}
@media(max-width:900px){.brdg-example-layout{grid-template-columns:1fr}.brdg-example-side{min-height:0}}