:root{--trb-ink:#12161d;--trb-ink-soft:#2a3340;--trb-muted:#5c6675;--trb-bg:#f3f5f8;--trb-surface:#ffffff;--trb-surface-2:#e9eef3;--trb-border:#d5dde7;--trb-accent:#1f6f6a;--trb-accent-hover:#185a56;--trb-accent-soft:#dceceb;--trb-glow:rgba(31,111,106,0.14);--trb-header-bg:rgba(243,245,248,0.9);--trb-dark:#161b24;--trb-dark-2:#1e2530;--trb-radius:16px;--trb-radius-sm:10px;--trb-shadow:0 10px 30px rgba(18,22,29,0.06);--trb-shadow-card:0 8px 24px rgba(18,22,29,0.05);--trb-max:1120px;--trb-read:780px;--trb-font-display:Manrope,Inter,system-ui,sans-serif;--trb-font-body:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--trb-header-h:64px;--trb-ease:cubic-bezier(0.22,1,0.36,1)}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--trb-font-body);font-size:18px;font-weight:400;line-height:1.72;letter-spacing:normal;color:var(--trb-ink);background:radial-gradient(1200px 500px at 10% -10%,rgba(31,111,106,0.08),transparent 55%),radial-gradient(900px 420px at 100% 0%,rgba(40,70,110,0.06),transparent 50%),var(--trb-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto;display:block}a{color:var(--trb-accent);text-decoration-thickness:1px;text-underline-offset:0.18em}a:hover{color:var(--trb-accent-hover)}h1,h2,h3,h4{font-family:var(--trb-font-display);font-weight:700;line-height:1.2;color:var(--trb-ink);letter-spacing:-0.02em;text-wrap:balance}h1{font-size:clamp(2.25rem,4vw,3.25rem);line-height:1.1;letter-spacing:-0.03em}h2{font-size:clamp(1.625rem,1.35rem+0.9vw,2.125rem);line-height:1.2;letter-spacing:-0.02em}h3{font-size:clamp(1.3125rem,1.8vw,1.5625rem);line-height:1.3;font-weight:600}p{margin:0 0 1.15rem}ul,ol{margin:0 0 1rem;padding-left:1.25rem}.screen-reader-text,.trb-skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.trb-skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;padding:0.65rem 1rem;background:var(--trb-ink);color:#fff;z-index:10000;border-radius:8px}.trb-container{width:min(100% - 2rem,var(--trb-max));margin-inline:auto}.trb-container--narrow{width:min(100% - 2rem,var(--trb-read))}.trb-header{position:sticky;top:0;z-index:1000;background:var(--trb-header-bg);border-bottom:1px solid rgba(213,221,231,0.85)}.trb-header__inner{width:min(100% - 2rem,var(--trb-max));margin-inline:auto;min-height:var(--trb-header-h);display:flex;align-items:center;justify-content:space-between;gap:1rem}.trb-brand{text-decoration:none;color:var(--trb-ink);flex-shrink:0;display:inline-flex;align-items:center;line-height:0}.trb-logo{display:block;height:32px;width:auto;max-width:min(200px,52vw)}.trb-logo--footer,.trb-logo--light{height:28px;max-width:180px;opacity:0.96}.trb-brand__mark{font-family:var(--trb-font-display);font-weight:700;font-size:0.95rem;letter-spacing:0.08em;text-transform:uppercase}.trb-nav-toggle{display:inline-flex;align-items:center;gap:0.5rem;border:1px solid var(--trb-border);background:var(--trb-surface);border-radius:999px;padding:0.45rem 0.8rem;cursor:pointer;font:inherit;color:var(--trb-ink)}.trb-nav-toggle__bars,.trb-nav-toggle__bars::before,.trb-nav-toggle__bars::after{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}.trb-nav-toggle__bars::before,.trb-nav-toggle__bars::after{content:"";position:absolute;left:0}.trb-nav-toggle__bars::before{top:-5px}.trb-nav-toggle__bars::after{top:5px}.trb-nav-toggle__label{font-size:0.85rem;font-weight:600}.trb-nav{display:none;position:absolute;left:0;right:0;top:100%;background:rgba(255,255,255,0.98);border-bottom:1px solid var(--trb-border);box-shadow:var(--trb-shadow);padding:0.75rem 1rem 1rem}.trb-nav.is-open{display:block}.trb-nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.15rem}.trb-nav-list a{display:block;padding:0.7rem 0.85rem;border-radius:10px;text-decoration:none;color:var(--trb-ink-soft);font-family:var(--trb-font-display);font-size:0.875rem;font-weight:600;letter-spacing:0.02em}.trb-nav-list a:hover,.trb-nav-list .is-current>a,.trb-nav-list .current-menu-item>a{background:var(--trb-accent-soft);color:var(--trb-accent)}.trb-hero{position:relative;padding:3.5rem 0 3rem;overflow:hidden}.trb-hero__glow{position:absolute;inset:auto -10% -40% 20%;height:320px;background:radial-gradient(circle,var(--trb-glow),transparent 70%);pointer-events:none}.trb-hero__content{position:relative}.trb-eyebrow{display:inline-block;margin:0 0 0.85rem;padding:0.28rem 0.7rem;border-radius:999px;background:var(--trb-accent-soft);color:var(--trb-accent);font-size:0.78rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase}.trb-hero__title{margin:0 0 1rem;font-size:clamp(2.25rem,5vw,3.25rem);line-height:1.1;letter-spacing:-0.03em;max-width:16ch}.trb-hero__lead{max-width:42rem;font-size:1.125rem;color:var(--trb-muted);margin-bottom:1.5rem}.trb-hero__actions{display:flex;flex-wrap:wrap;gap:0.75rem}.trb-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.4rem;padding:0.8rem 1.2rem;border-radius:999px;font-family:var(--trb-font-display);font-weight:600;font-size:0.9375rem;text-decoration:none;border:1px solid transparent;transition:transform 0.2s var(--trb-ease),background 0.2s ease,color 0.2s ease,border-color 0.2s ease}.trb-btn:hover{transform:translateY(-1px);text-decoration:none}.trb-btn--primary{background:linear-gradient(135deg,var(--trb-accent),#2a8a83);color:#fff;box-shadow:0 8px 20px rgba(31,111,106,0.25)}.trb-btn--primary:hover{color:#fff;background:linear-gradient(135deg,var(--trb-accent-hover),var(--trb-accent))}.trb-btn--ghost{background:var(--trb-surface);border-color:var(--trb-border);color:var(--trb-ink)}.trb-btn--ghost:hover{border-color:var(--trb-accent);color:var(--trb-accent)}.trb-text-link{font-weight:650;text-decoration:none}.trb-text-link:hover{text-decoration:underline}.trb-section{padding:3.25rem 0}.trb-section--tint{background:linear-gradient(180deg,rgba(233,238,243,0.75),rgba(243,245,248,0.3));border-block:1px solid rgba(213,221,231,0.7)}.trb-section--center{text-align:center;padding:5rem 0}.trb-section--center .trb-hero__actions{justify-content:center}.trb-section__head{margin-bottom:1.75rem;max-width:40rem}.trb-section__head h2{margin:0 0 0.5rem;font-size:clamp(1.55rem,3vw,2rem)}.trb-section__head p{margin:0;color:var(--trb-muted)}.trb-card-grid{display:grid;gap:1rem}.trb-card-grid--2,.trb-card-grid--3,.trb-card-grid--4{grid-template-columns:1fr}.trb-card{background:var(--trb-surface);border:1px solid var(--trb-border);border-radius:var(--trb-radius);box-shadow:var(--trb-shadow-card);transition:transform 0.25s var(--trb-ease),box-shadow 0.25s ease,border-color 0.25s ease}.trb-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(18,22,29,0.08);border-color:rgba(31,111,106,0.35)}.trb-card--soft{background:linear-gradient(160deg,#fff,#f4f8f8)}.trb-card__link{display:block;padding:1.35rem 1.3rem 1.45rem;text-decoration:none;color:inherit;height:100%}.trb-card__kicker{display:inline-block;margin-bottom:0.65rem;font-size:0.75rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--trb-accent)}.trb-card__title{margin:0 0 0.55rem;font-size:1.2rem}.trb-card__text{margin:0;color:var(--trb-muted);font-size:0.98rem}.trb-price-hub{display:grid;gap:1.5rem;padding:1.75rem;border-radius:calc(var(--trb-radius)+4px);background:linear-gradient(145deg,rgba(31,111,106,0.1),transparent 45%),linear-gradient(180deg,#fff,#f0f4f7);border:1px solid var(--trb-border);box-shadow:var(--trb-shadow-card)}.trb-price-hub h2{margin:0 0 0.75rem;font-size:clamp(1.45rem,3vw,1.9rem)}.trb-price-hub p{margin:0;color:var(--trb-muted);max-width:42rem}.trb-split{display:grid;gap:1.5rem}.trb-panel{background:var(--trb-dark);color:#e8edf4;border-radius:var(--trb-radius);padding:1.5rem 1.4rem;background-image:linear-gradient(160deg,var(--trb-dark),var(--trb-dark-2))}.trb-panel h3{margin:0 0 0.85rem;color:#fff;font-size:1.15rem}.trb-checklist{list-style:none;margin:0;padding:0}.trb-checklist li{position:relative;padding-left:1.35rem;margin-bottom:0.55rem;color:#c5ceda}.trb-checklist li::before{content:"";position:absolute;left:0;top:0.55rem;width:0.55rem;height:0.55rem;border-radius:50%;background:#4db6ae}.trb-latest-list{list-style:none;margin:0;padding:0;border:1px solid var(--trb-border);border-radius:var(--trb-radius);overflow:hidden;background:var(--trb-surface)}.trb-latest-list li+li{border-top:1px solid var(--trb-border)}.trb-latest-list a{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:1rem 1.15rem;text-decoration:none;color:var(--trb-ink)}.trb-latest-list a:hover{background:var(--trb-surface-2)}.trb-latest-list__title{font-weight:650}.trb-latest-list time{color:var(--trb-muted);font-size:0.88rem;white-space:nowrap}.trb-muted{color:var(--trb-muted)}.trb-trust{display:grid;gap:1.5rem;padding:2rem 1.5rem;border-radius:calc(var(--trb-radius)+2px);background:radial-gradient(600px 200px at 0% 0%,rgba(31,111,106,0.12),transparent 60%),linear-gradient(180deg,#fff,#f2f5f8);border:1px solid var(--trb-border)}.trb-trust h2{margin:0 0 0.75rem}.trb-trust p{margin:0;color:var(--trb-muted);max-width:40rem}.trb-trust__links{display:flex;flex-wrap:wrap;gap:0.75rem 1.25rem}.trb-trust__links a{font-weight:650;text-decoration:none}.trb-trust__links a:hover{text-decoration:underline}.trb-article{padding-bottom:3.5rem}.trb-article__header{padding:2rem 0 0.5rem}.trb-article__title{margin:0.35rem 0 0.75rem;font-size:clamp(2.25rem,4vw,3.25rem);line-height:1.1;letter-spacing:-0.03em}.trb-article__meta{margin:0;color:var(--trb-muted);font-family:var(--trb-font-body);font-size:0.9375rem;font-weight:400}.trb-article__meta span{font-weight:600;color:var(--trb-ink-soft)}.trb-article__figure{margin:0 0 1.5rem;border-radius:var(--trb-radius);overflow:hidden;border:1px solid var(--trb-border)}.trb-breadcrumbs{margin-bottom:0.85rem}.trb-breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:0.35rem 0.5rem;margin:0;padding:0;font-size:0.875rem;color:var(--trb-muted)}.trb-breadcrumbs li:not(:last-child)::after{content:"/";margin-left:0.5rem;opacity:0.55}.trb-breadcrumbs a{color:var(--trb-muted);text-decoration:none}.trb-breadcrumbs a:hover{color:var(--trb-accent)}.trb-toc{margin:0 0 1.75rem;padding:1rem 1.15rem;border:1px solid var(--trb-border);border-radius:var(--trb-radius-sm);background:linear-gradient(180deg,#fff,#f5f8fa)}.trb-toc[hidden]{display:none !important}.trb-toc__label{margin:0 0 0.55rem;font-size:0.78rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--trb-accent)}.trb-toc__list{margin:0;padding-left:1.1rem}.trb-toc__list a{text-decoration:none;color:var(--trb-ink-soft);font-size:0.95rem}.trb-toc__list a:hover,.trb-toc__list a.is-active{color:var(--trb-accent)}.trb-article__content{font-family:var(--trb-font-body);font-size:18px;line-height:1.72;font-weight:400;max-width:var(--trb-read)}.trb-article__content>*:first-child{margin-top:0}.trb-article__content h2{margin:2.35rem 0 0.85rem;font-size:clamp(1.625rem,1.35rem+0.9vw,2.125rem);line-height:1.2;letter-spacing:-0.02em}.trb-article__content h3{margin:1.75rem 0 0.65rem;font-size:clamp(1.3125rem,1.8vw,1.5625rem);line-height:1.3;font-weight:600}.trb-article__content p,.trb-article__content li{color:var(--trb-ink)}.trb-article__content a{font-weight:500;text-decoration-thickness:1px;text-underline-offset:0.18em}.trb-article__content strong,.trb-article__content b{font-weight:600;color:var(--trb-ink)}.trb-article__content ul,.trb-article__content ol{margin:0 0 1.15rem;padding-left:1.35rem}.trb-article__content li+li{margin-top:0.35rem}.trb-article__content blockquote{margin:1.5rem 0;padding:1rem 1.15rem;border-left:3px solid var(--trb-accent);background:var(--trb-accent-soft);border-radius:0 var(--trb-radius-sm) var(--trb-radius-sm) 0;color:var(--trb-ink-soft);font-weight:500}.trb-article__content table{width:100%;border-collapse:collapse;margin:1.25rem 0;font-size:0.95rem;overflow:hidden;border-radius:10px;border:1px solid var(--trb-border)}.trb-article__content th,.trb-article__content td{padding:0.7rem 0.85rem;border-bottom:1px solid var(--trb-border);text-align:left}.trb-article__content th{background:var(--trb-surface-2);font-weight:700}.trb-article__content .trb-refs,.trb-article__content .references,.entry-content .trb-refs{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid var(--trb-border)}.trb-article__content .trb-refs h2,.trb-article__content .references h2{font-size:1.2rem}.trb-article__content .trb-refs ol,.trb-article__content .references ol{font-size:0.92rem;color:var(--trb-muted)}.trb-related{margin-top:2.75rem;padding-top:1.5rem;border-top:1px solid var(--trb-border)}.trb-related h2{margin:0 0 0.85rem;font-size:1.25rem}.trb-related__list{list-style:none;margin:0;padding:0;display:grid;gap:0.55rem}.trb-related__list a{display:block;padding:0.85rem 1rem;border-radius:var(--trb-radius-sm);background:var(--trb-surface);border:1px solid var(--trb-border);text-decoration:none;color:var(--trb-ink);font-weight:600}.trb-related__list a:hover{border-color:var(--trb-accent);color:var(--trb-accent)}.trb-search-form{display:flex;flex-wrap:wrap;gap:0.65rem;margin:0 0 1.5rem}.trb-search-form input[type="search"]{flex:1 1 220px;padding:0.75rem 1rem;border:1px solid var(--trb-border);border-radius:999px;font:inherit;background:var(--trb-surface)}.trb-archive__header{margin-bottom:1.5rem}.trb-footer{margin-top:1rem;padding:2.75rem 0 2rem;background:linear-gradient(180deg,#141920,#0f1319);color:#c5ceda}.trb-footer__inner{width:min(100% - 2rem,var(--trb-max));margin-inline:auto;display:grid;gap:1.5rem}.trb-footer .trb-brand__mark{color:#fff}.trb-footer__logo{display:inline-flex;text-decoration:none;line-height:0}.trb-footer__tagline{margin:0.65rem 0 0;max-width:34rem;color:#98a3b3;font-size:0.95rem}.trb-footer__nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0.65rem 1.15rem}.trb-footer__nav a{color:#d7dee8;text-decoration:none;font-weight:600;font-size:0.92rem}.trb-footer__nav a:hover{color:#7ed3cb}.trb-footer__note,.trb-footer__copy{margin:0;font-size:0.85rem;color:#7f8a9a}.trb-footer__copy{padding-top:0.35rem;border-top:1px solid rgba(255,255,255,0.08)}.navigation.pagination{margin-top:1.5rem}.navigation.pagination .nav-links{display:flex;flex-wrap:wrap;gap:0.4rem}.navigation.pagination a,.navigation.pagination .current{display:inline-flex;padding:0.45rem 0.75rem;border-radius:8px;border:1px solid var(--trb-border);text-decoration:none;color:var(--trb-ink);background:var(--trb-surface)}.navigation.pagination .current{background:var(--trb-accent-soft);border-color:rgba(31,111,106,0.35);color:var(--trb-accent);font-weight:700}@media (min-width:880px){.trb-nav-toggle{display:none}.trb-nav{display:block;position:static;background:transparent;border:0;box-shadow:none;padding:0}.trb-nav-list{flex-direction:row;align-items:center;gap:0.1rem}.trb-nav-list a{padding:0.45rem 0.6rem;font-size:0.875rem;letter-spacing:0.02em}.trb-card-grid--2{grid-template-columns:repeat(2,1fr)}.trb-card-grid--3{grid-template-columns:repeat(3,1fr)}.trb-card-grid--4{grid-template-columns:repeat(2,1fr)}.trb-price-hub{grid-template-columns:1fr auto;align-items:center;padding:2rem 2.1rem}.trb-split,.trb-trust{grid-template-columns:1.3fr 0.9fr;align-items:center}.trb-hero{padding:4.5rem 0 3.5rem}}@media (min-width:1100px){.trb-card-grid--4{grid-template-columns:repeat(4,1fr)}.trb-nav-list a{padding:0.5rem 0.7rem;font-size:0.875rem}}@media (max-width:767px){body{font-size:17px;line-height:1.68}.trb-article__content{font-size:17px;line-height:1.68}.trb-article__title,h1{font-size:clamp(2rem,8vw,2.375rem)}.trb-article__content h2{font-size:clamp(1.625rem,5vw,1.875rem)}.trb-article__content h3{font-size:clamp(1.3125rem,4vw,1.5rem)}.trb-logo{height:28px;max-width:min(168px,48vw)}.trb-header__inner{padding-block:0.35rem}.trb-article__content table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.trb-card,.trb-btn{transition:none}}
/* Buy CTA + mobile order FAB */
.trb-buy{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin:1.15rem 0 0;padding:1rem 1.15rem;border:1px solid rgba(31,111,106,.22);border-radius:14px;background:linear-gradient(135deg,#e8f5f3,#f7fbfa)}
.trb-buy__title{margin:0 0 .2rem;font-family:var(--trb-font-display);font-weight:700;font-size:1.05rem;color:var(--trb-ink)}
.trb-buy__text{margin:0;font-size:.92rem;color:var(--trb-muted);max-width:34rem}
.trb-btn--buy{background:linear-gradient(135deg,#25d366,#128c7e);color:#fff;border:0;box-shadow:0 8px 18px rgba(18,140,126,.28);font-family:var(--trb-font-display);font-weight:700}
.trb-btn--buy:hover{color:#fff;background:linear-gradient(135deg,#20bd5a,#0e7a6d);text-decoration:none}
.trb-buy--archive{margin:1rem 0 1.35rem}
.trb-latest-list li{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.65rem}
.trb-list-buy{flex:0 0 auto;display:inline-flex;align-items:center;padding:.4rem .8rem;border-radius:999px;background:#25d366;color:#fff;text-decoration:none;font-family:var(--trb-font-display);font-size:.82rem;font-weight:700}
.trb-list-buy:hover{background:#1ebe57;color:#fff;text-decoration:none}
.trb-fab{position:fixed;right:1rem;bottom:1rem;z-index:1200;display:none;align-items:center;gap:.55rem;padding:.85rem 1.15rem;border-radius:999px;background:#25d366;color:#fff;text-decoration:none;font-family:var(--trb-font-display);font-weight:700;font-size:.95rem;box-shadow:0 10px 28px rgba(18,140,126,.38);line-height:1}
.trb-fab:hover,.trb-fab:focus{background:#1ebe57;color:#fff;text-decoration:none}
.trb-fab__icon{display:inline-flex}
body{padding-bottom:0}
@media (max-width:879px){
.trb-fab{display:inline-flex}
body{padding-bottom:5.5rem}
}