:root {
    --tu-red: #e01f1f;
    --tu-red-txt: #d61b1b;
    --tu-red-soft: rgba(224, 31, 31, .08);
    --tu-red-line: rgba(224, 31, 31, .22);
    --tu-card: #fff;
    --tu-card-line: #ececee;
    --tu-card-shadow: 0 1px 0 rgba(0, 0, 0, .02), 0 18px 40px -28px rgba(17, 17, 26, .22);
    --tu-title: #111114;
    --tu-text: #4a4a52;
    --tu-muted: #8a8a93;
    --tu-num: #b4b4bc;
    --tu-divider: #efeff2;
    --tu-hover: #f6f6f8;
    --tu-ico-bg: #fdecec;
    --tu-ico-line: rgba(224, 31, 31, .16);
    --tu-perigo-bg: #fff3f3;
    --tu-perigo-line: #f7c4c4;
    --tu-perigo-ico: #e01f1f;
    --tu-perigo-txt: #a61616;
    --tu-neutro-bg: #f7f7f9;
    --tu-neutro-line: #e6e6ea;
    --tu-neutro-ico: #8a8a93;
    --tu-neutro-txt: #4a4a52;
    --tu-atencao-bg: #fffaee;
    --tu-atencao-line: #f1d7a0;
    --tu-atencao-ico: #c98a0c;
    --tu-atencao-txt: #7a5208;
    --tu-folha-a: #ffffff;
    --tu-folha-b: #f0f0f3;
    --tu-folha-line: #e2e2e7;
    --tu-folha-risco: #dcdce2;
    --tu-ease: cubic-bezier(.22, 1, .36, 1);
}
[data-theme="dark"] {
    --tu-red: #e01f1f;
    --tu-red-txt: #ff5252;
    --tu-red-soft: rgba(224, 31, 31, .13);
    --tu-red-line: rgba(255, 82, 82, .28);
    --tu-card: #141416;
    --tu-card-line: rgba(255, 255, 255, .07);
    --tu-card-shadow: 0 1px 0 rgba(255, 255, 255, .02) inset, 0 24px 50px -30px rgba(0, 0, 0, .9);
    --tu-title: #f4f4f6;
    --tu-text: #a9a9b3;
    --tu-muted: #7d7d87;
    --tu-num: #4d4d56;
    --tu-divider: rgba(255, 255, 255, .06);
    --tu-hover: rgba(255, 255, 255, .035);
    --tu-ico-bg: rgba(224, 31, 31, .14);
    --tu-ico-line: rgba(255, 82, 82, .2);
    --tu-perigo-bg: rgba(224, 31, 31, .09);
    --tu-perigo-line: rgba(255, 70, 70, .42);
    --tu-perigo-ico: #ff4d4d;
    --tu-perigo-txt: #ffb4b4;
    --tu-neutro-bg: rgba(255, 255, 255, .025);
    --tu-neutro-line: rgba(255, 255, 255, .1);
    --tu-neutro-ico: #8e8e98;
    --tu-neutro-txt: #b4b4be;
    --tu-atencao-bg: rgba(216, 169, 62, .07);
    --tu-atencao-line: rgba(216, 169, 62, .42);
    --tu-atencao-ico: #e2b04a;
    --tu-atencao-txt: #e8d3a2;
    --tu-folha-a: #26262b;
    --tu-folha-b: #151518;
    --tu-folha-line: rgba(255, 255, 255, .09);
    --tu-folha-risco: rgba(255, 255, 255, .1);
}

.tu-main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 26px 24px 80px;
    font-family: 'Inter', sans-serif;
}

.tu-anim {
    animation: tu-sobe .9s var(--tu-ease) both;
    animation-delay: var(--d, 0ms);
}
@keyframes tu-sobe {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.tu-crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--tu-muted);
}
.tu-crumb a {
    color: var(--tu-muted);
    border-radius: 6px;
    transition: color .3s var(--tu-ease);
}
.tu-crumb a:hover { color: var(--tu-title); }
.tu-crumb-sep { opacity: .55; }
.tu-crumb [aria-current] { color: var(--tu-title); font-weight: 600; }

.tu-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: center;
    gap: 32px;
    padding: 30px 0 34px;
}
.tu-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px 7px 12px;
    border-radius: 999px;
    background: var(--tu-red-soft);
    border: 1px solid var(--tu-red-line);
    color: var(--tu-red-txt);
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}
.tu-badge svg { width: 14px; height: 14px; flex-shrink: 0; }
.tu-title {
    margin: 22px 0 14px;
    font-size: 56px;
    line-height: 1.04;
    font-weight: 900;
    letter-spacing: -.035em;
    color: var(--tu-title);
}
.tu-accent { color: var(--tu-red); }
.tu-sub {
    max-width: 520px;
    font-size: 17px;
    line-height: 1.55;
    color: var(--tu-text);
}
.tu-updated {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 18px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--tu-muted);
}
.tu-updated[hidden] { display: none; }
.tu-updated svg { width: 14px; height: 14px; flex-shrink: 0; }
.tu-updated time { color: var(--tu-title); font-weight: 600; }

.tu-art { position: relative; justify-self: end; width: 340px; }
.tu-art-svg { display: block; width: 100%; height: auto; overflow: visible; }
.tu-art-folha { stroke: var(--tu-folha-line); stroke-width: 1.2; }
.tu-art-folha-a { stop-color: var(--tu-folha-a); }
.tu-art-folha-b { stop-color: var(--tu-folha-b); }
.tu-art-linha { fill: var(--tu-folha-risco); }
.tu-art-doc { filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .18)); }
[data-theme="dark"] .tu-art-doc { filter: drop-shadow(0 26px 34px rgba(0, 0, 0, .65)); }
.tu-art-escudo {
    filter: drop-shadow(0 14px 26px rgba(224, 31, 31, .5));
    transform-box: fill-box;
    transform-origin: 50% 50%;
    animation: tu-flutua 6s ease-in-out infinite;
}
.tu-art-brilho { animation: tu-pulsa 6s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 50%; }
.tu-art-faisca { fill: #ff6b6b; opacity: .8; animation: tu-pisca 3.2s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 50%; }
.tu-art-faisca.is-b { animation-delay: 1.1s; opacity: .55; }
.tu-art-faisca.is-c { animation-delay: 2s; opacity: .6; }
@keyframes tu-flutua {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-7px); }
}
@keyframes tu-pulsa {
    0%, 100% { opacity: .85; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.06); }
}
@keyframes tu-pisca {
    0%, 100% { opacity: .25; transform: scale(.7); }
    50%      { opacity: .9; transform: scale(1); }
}

.tu-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.tu-card {
    background: var(--tu-card);
    border: 1px solid var(--tu-card-line);
    border-radius: 18px;
    box-shadow: var(--tu-card-shadow);
}

.tu-side {
    position: sticky;
    top: 92px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tu-toc-card { padding: 20px 14px 14px; }
.tu-toc-head {
    margin: 0 8px 12px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .02em;
    color: var(--tu-title);
}
.tu-toc-toggle { display: none; }
.tu-toc { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.tu-toc-link {
    position: relative;
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.35;
    color: var(--tu-text);
    transition: background-color .45s var(--tu-ease), color .45s var(--tu-ease);
}
.tu-toc-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 3px;
    background: var(--tu-red);
    transform: scaleY(0);
    transition: transform .5s var(--tu-ease);
}
.tu-toc-link:hover { background: var(--tu-hover); color: var(--tu-title); }
.tu-toc-num {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--tu-num);
    transition: color .45s var(--tu-ease);
}
.tu-toc-link.is-ativo { background: var(--tu-red-soft); color: var(--tu-title); font-weight: 650; }
.tu-toc-link.is-ativo::before { transform: scaleY(1); }
.tu-toc-link.is-ativo .tu-toc-num { color: var(--tu-red-txt); }

.tu-help {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    padding: 20px;
}
.tu-help-ico {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--tu-ico-bg);
    border: 1px solid var(--tu-ico-line);
    color: var(--tu-red-txt);
}
.tu-help-ico svg { width: 20px; height: 20px; }
.tu-help-text { display: flex; flex-direction: column; gap: 3px; }
.tu-help-text strong { font-size: 14.5px; font-weight: 800; color: var(--tu-title); }
.tu-help-text span { font-size: 13px; color: var(--tu-muted); }
.tu-help-btn {
    grid-column: 1 / -1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    border-radius: 12px;
    background: var(--tu-red);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 10px 24px -12px rgba(224, 31, 31, .7);
    transition: background-color .4s var(--tu-ease), transform .4s var(--tu-ease), box-shadow .4s var(--tu-ease);
}
.tu-help-btn svg { width: 16px; height: 16px; transition: transform .45s var(--tu-ease); }
.tu-help-btn:hover { background: #c41a1a; transform: translateY(-1px); box-shadow: 0 14px 28px -12px rgba(224, 31, 31, .8); }
.tu-help-btn:hover svg { transform: translateX(3px); }

.tu-doc { padding: 8px 0; }
.tu-sec {
    padding: 30px 36px 32px;
    scroll-margin-top: 92px;
    outline: none;
}
.tu-sec + .tu-sec { border-top: 1px solid var(--tu-divider); }
.tu-sec-head {
    display: grid;
    grid-template-columns: 34px 44px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
}
.tu-sec-num {
    font-size: 15px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--tu-num);
}
.tu-sec-ico {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--tu-ico-bg);
    border: 1px solid var(--tu-ico-line);
    color: var(--tu-red-txt);
}
.tu-sec-ico svg { width: 20px; height: 20px; }
.tu-sec-title {
    margin: 0;
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.3;
    color: var(--tu-title);
}
.tu-sec-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 16px;
    padding-left: 110px;
}

.tu-p { margin: 0; font-size: 14.5px; line-height: 1.75; color: var(--tu-text); }
.tu-p strong, .tu-p b { color: var(--tu-title); font-weight: 700; }

.tu-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.tu-list li {
    position: relative;
    padding-left: 26px;
    font-size: 14.5px;
    line-height: 1.7;
    color: var(--tu-text);
}
.tu-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
    color: var(--tu-red-txt);
}

.tu-box {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid;
}
.tu-box + .tu-box { margin-top: -4px; }
.tu-box-ico { display: grid; place-items: center; height: 22px; }
.tu-box-ico svg { width: 19px; height: 19px; }
.tu-box-text { margin: 0; font-size: 14px; line-height: 1.6; font-weight: 500; }
.tu-box-text b, .tu-box-text strong { font-weight: 800; color: inherit; }
.tu-box.is-perigo { background: var(--tu-perigo-bg); border-color: var(--tu-perigo-line); color: var(--tu-perigo-txt); }
.tu-box.is-perigo .tu-box-ico { color: var(--tu-perigo-ico); }
.tu-box.is-perigo .tu-box-text { font-weight: 600; }
.tu-box.is-neutro { background: var(--tu-neutro-bg); border-color: var(--tu-neutro-line); color: var(--tu-neutro-txt); }
.tu-box.is-neutro .tu-box-ico { color: var(--tu-neutro-ico); }
.tu-box.is-atencao { background: var(--tu-atencao-bg); border-color: var(--tu-atencao-line); color: var(--tu-atencao-txt); }
.tu-box.is-atencao .tu-box-ico { color: var(--tu-atencao-ico); }

.tu-topo {
    position: fixed;
    left: 22px;
    bottom: calc(22px + env(safe-area-inset-bottom, 0px));
    z-index: 90;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 14px 0 11px;
    border-radius: 999px;
    border: 1px solid var(--tu-card-line);
    background: var(--tu-card);
    color: var(--tu-text);
    font-family: 'Inter', sans-serif;
    font-size: 12.5px;
    font-weight: 700;
    box-shadow: 0 12px 28px -14px rgba(0, 0, 0, .45);
    cursor: pointer;
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
    transition: opacity .6s var(--tu-ease), transform .6s var(--tu-ease), color .3s var(--tu-ease), border-color .3s var(--tu-ease);
}
.tu-topo svg { width: 16px; height: 16px; }
.tu-topo.is-visivel { opacity: 1; transform: translateY(0); pointer-events: auto; }
.tu-topo:hover { color: var(--tu-title); border-color: var(--tu-red-line); }

.tu-crumb a:focus-visible,
.tu-toc-link:focus-visible,
.tu-toc-toggle:focus-visible,
.tu-help-btn:focus-visible,
.tu-topo:focus-visible {
    outline: 2px solid var(--tu-red);
    outline-offset: 2px;
}
.tu-sec:focus-visible { box-shadow: inset 3px 0 0 var(--tu-red); }

@media (max-width: 1080px) {
    .tu-hero { grid-template-columns: minmax(0, 1fr) 270px; }
    .tu-art { width: 270px; }
    .tu-title { font-size: 48px; }
    .tu-sec-body { padding-left: 0; }
}

@media (max-width: 900px) {
    .tu-main { padding: 18px 16px 64px; }
    .tu-hero { grid-template-columns: minmax(0, 1fr) 150px; gap: 14px; padding: 22px 0 24px; }
    .tu-art { width: 150px; }
    .tu-title { font-size: 38px; margin: 18px 0 10px; }
    .tu-sub { font-size: 15.5px; }

    .tu-layout { display: flex; flex-direction: column; align-items: stretch; gap: 14px; }
    .tu-side { display: contents; }
    .tu-toc-card { order: 0; padding: 0; overflow: hidden; }
    .tu-doc { order: 1; }
    .tu-help { order: 2; }

    .tu-toc-head { display: none; }
    .tu-toc-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        width: 100%;
        padding: 14px 16px;
        border: 0;
        border-radius: 18px;
        background: transparent;
        color: var(--tu-title);
        font-family: inherit;
        text-align: left;
        cursor: pointer;
    }
    .tu-toc-toggle-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
    .tu-toc-toggle-label { font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--tu-muted); }
    .tu-toc-toggle-atual { font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .tu-toc-chevron { width: 18px; height: 18px; flex-shrink: 0; color: var(--tu-muted); transition: transform .55s var(--tu-ease); }
    .tu-toc-card.is-aberto .tu-toc-chevron { transform: rotate(180deg); }
    .tu-toc-wrap {
        display: grid;
        grid-template-rows: 0fr;
        transition: grid-template-rows .6s var(--tu-ease);
    }
    .tu-toc-card.is-aberto .tu-toc-wrap { grid-template-rows: 1fr; }
    .tu-toc-inner { overflow: hidden; min-height: 0; }
    .tu-toc { padding: 0 10px 12px; border-top: 1px solid var(--tu-divider); padding-top: 8px; }

    .tu-sec { padding: 24px 20px 26px; scroll-margin-top: 80px; }
    .tu-sec-head { grid-template-columns: 26px 40px minmax(0, 1fr); gap: 12px; }
    .tu-sec-ico { width: 40px; height: 40px; }
    .tu-sec-title { font-size: 17px; }
    .tu-help { padding: 18px; }
}

@media (max-width: 520px) {
    .tu-hero { grid-template-columns: minmax(0, 1fr); }
    .tu-art { display: none; }
    .tu-title { font-size: 34px; }
    .tu-sec { padding: 22px 16px 24px; }
    .tu-sec-head { grid-template-columns: 22px 38px minmax(0, 1fr); gap: 10px; }
    .tu-sec-ico { width: 38px; height: 38px; }
    .tu-sec-ico svg { width: 18px; height: 18px; }
    .tu-box { padding: 13px 14px; gap: 10px; }
    .tu-topo span { display: none; }
    .tu-topo { padding: 0; width: 40px; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
    .tu-anim,
    .tu-art-escudo,
    .tu-art-brilho,
    .tu-art-faisca { animation: none; }
    .tu-toc-link,
    .tu-toc-link::before,
    .tu-toc-wrap,
    .tu-toc-chevron,
    .tu-help-btn,
    .tu-help-btn svg,
    .tu-topo { transition: none; }
}