.rt-rto-page { padding-bottom: 80px; }
.rt-rto-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.rt-rto-hero {
    width: 100%;
    padding: 84px 20px 110px;
    margin-bottom: -48px;
    text-align: center;
    color: #fff;
    background-color: #0F1F2E;
    background-image: linear-gradient(to right, rgba(15, 31, 46, .93), rgba(15, 31, 46, .88)), url('/assets/images/banner/banner.webp');
    background-size: cover;
    background-position: center;
}
[data-theme="dark"] .rt-rto-hero {
    background-color: #050505;
    background-image: linear-gradient(to right, rgba(0, 0, 0, .9), rgba(0, 0, 0, .86)), url('/assets/images/banner/banner-dark.webp');
}
.rt-rto-hero h1 { margin: 0 0 12px; font-size: clamp(28px, 5vw, 44px); font-weight: 800; line-height: 1.3; color: #fff; }
.rt-rto-hero h1 .rt-hl { color: #4ADE80; }
.rt-rto-hero p { max-width: 640px; margin: 0 auto; font-size: 15px; line-height: 1.8; color: #E2E8F0; }

.rt-rto-stats { position: relative; z-index: 10; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 1000px; margin: 0 auto 26px; padding: 0 20px; }
.rt-rto-stat { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 18px 12px; text-align: center; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 16px; box-shadow: 0 10px 30px rgba(15, 31, 46, .08); }
.rt-rto-stat strong { font-size: 24px; font-weight: 800; line-height: 1.2; color: var(--rt-accent); }
.rt-rto-stat span { font-size: 12.5px; font-weight: 600; color: var(--rt-text-muted); }

.rt-rto-search { max-width: 700px; margin: 0 auto 22px; padding: 0 20px; }
.rt-rto-search-box { display: flex; align-items: center; padding: 6px 18px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 14px; box-shadow: 0 10px 30px rgba(15, 31, 46, .08); transition: var(--rt-ease, all .3s ease); }
.rt-rto-search-box:focus-within { border-color: var(--rt-accent); box-shadow: 0 15px 35px rgba(22, 163, 74, .15); }
.rt-rto-search-box i { margin-inline-end: 12px; font-size: 16px; color: var(--rt-accent); }
.rt-rto-search-box input { width: 100%; padding: 10px 5px; border: none; outline: none; background: transparent; font-family: inherit; font-size: 14.5px; color: var(--rt-text-main); }
.rt-rto-search-box input::placeholder { color: var(--rt-text-muted); opacity: 1; }

.rt-rto-tabs { display: flex; justify-content: center; gap: 10px; max-width: 1000px; margin: 0 auto 28px; padding: 0 20px; overflow-x: auto; scrollbar-width: none; }
.rt-rto-tabs::-webkit-scrollbar { display: none; }
.rt-rto-tab { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 30px; font-family: inherit; font-size: 13px; font-weight: 600; color: var(--rt-text-main); white-space: nowrap; cursor: pointer; transition: var(--rt-ease, all .3s ease); }
.rt-rto-tab i { font-size: 13px; color: var(--rt-accent); }
.rt-rto-tab em { font-style: normal; font-size: 11px; font-weight: 700; padding: 1px 8px; color: var(--rt-accent); background: var(--rt-tint); border-radius: 20px; }
.rt-rto-tab:hover, .rt-rto-tab.active { color: #fff; background: var(--rt-accent); border-color: var(--rt-accent); }
.rt-rto-tab:hover i, .rt-rto-tab.active i { color: #fff; }
.rt-rto-tab:hover em, .rt-rto-tab.active em { color: #fff; background: rgba(255, 255, 255, .22); }

.rt-rto-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.rt-rto-group { margin-bottom: 34px; }
.rt-rto-group[hidden] { display: none; }
.rt-rto-group h2 { margin: 0 0 14px; font-size: 21px; font-weight: 800; color: var(--rt-text-main); }
.rt-rto-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }

.rt-rto-card {
    height: 64px; display: flex; align-items: center; gap: 12px; min-width: 0; padding: 12px 14px;
    background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 14px;
    color: var(--rt-text-main); text-decoration: none; transition: var(--rt-ease, all .3s ease);
}
.rt-rto-card[hidden] { display: none; }
.rt-rto-card:hover { border-color: var(--rt-accent); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(22, 163, 74, .12); }
.rt-rto-ico { flex-shrink: 0; width: 30px; height: 30px; background: var(--rt-accent); -webkit-mask: var(--rt-ico) center / contain no-repeat; mask: var(--rt-ico) center / contain no-repeat; }
.rt-rto-name { flex: 1; min-width: 0; font-size: 14px; font-weight: 700; line-height: 1.3; white-space: nowrap; overflow: hidden; }
.rt-rto-name.wrap { white-space: normal; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.rt-rto-code { flex-shrink: 0; padding: 4px 11px; border-radius: 30px; font-size: 12.5px; font-weight: 800; letter-spacing: .5px; color: var(--rt-accent); background: var(--rt-tint); white-space: nowrap; }

.rt-rto-empty { padding: 50px 20px; text-align: center; color: var(--rt-text-muted); }
.rt-rto-empty[hidden] { display: none; }
.rt-rto-empty i { font-size: 40px; margin-bottom: 12px; color: var(--rt-accent); }
.rt-rto-empty p { margin: 0; font-size: 15px; }
.rt-rto-note { margin: 6px 0 0; font-size: 12.5px; line-height: 1.7; text-align: center; color: var(--rt-text-muted); }
.rt-rto-note a { color: var(--rt-accent); font-weight: 600; text-decoration: none; }
.rt-rto-note a:hover { text-decoration: underline; }

.rt-rto-info { max-width: 1000px; margin: 48px auto 0; padding: 0 20px; }
.rt-rto-info h2 { margin: 0 0 8px; font-size: 22px; font-weight: 800; color: var(--rt-text-main); }
.rt-rto-lead, .rt-rto-body { margin: 0 0 18px; font-size: 14.5px; line-height: 1.85; color: var(--rt-text-muted); }
.rt-rto-body { margin-bottom: 0; }

.rt-rto-plate { display: flex; justify-content: center; padding: 26px 16px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 18px; box-shadow: var(--rt-card-shadow, 0 4px 15px rgba(15, 31, 46, .05)); }
.rt-rto-plate-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.rt-rto-plate-row span { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 96px; padding: 14px 18px; background: var(--rt-tint); border: 2px solid var(--rt-accent); border-radius: 12px; }
.rt-rto-plate-row b { font-size: 28px; font-weight: 800; letter-spacing: 2px; line-height: 1; color: var(--rt-text-main); }
.rt-rto-plate-row small { font-size: 11.5px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; color: var(--rt-accent); }

.rt-rto-fn { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.rt-rto-fn-card { padding: 20px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 16px; }
.rt-rto-fn-card > i { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 12px; font-size: 16px; color: var(--rt-accent); background: var(--rt-tint); border-radius: 12px; }
.rt-rto-fn-card h3 { margin: 0 0 6px; font-size: 15.5px; font-weight: 800; color: var(--rt-text-main); }
.rt-rto-fn-card p { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--rt-text-muted); }

.rt-rto-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.rt-rto-steps li { display: flex; gap: 16px; padding: 18px 20px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 16px; }
.rt-rto-step-no { flex-shrink: 0; width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; color: #fff; background: var(--rt-accent); border-radius: 50%; }
.rt-rto-steps h3 { margin: 0 0 4px; font-size: 15.5px; font-weight: 800; color: var(--rt-text-main); }
.rt-rto-steps p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--rt-text-muted); }

.rt-rto-card-box { background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 18px; overflow: hidden; box-shadow: var(--rt-card-shadow, 0 4px 15px rgba(15, 31, 46, .05)); }
.rt-rto-table { width: 100%; border-collapse: collapse; }
.rt-rto-table th, .rt-rto-table td { padding: 14px 20px; text-align: start; font-size: 14px; color: var(--rt-text-main); }
.rt-rto-table thead th { font-size: 12px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase; color: var(--rt-text-muted); background: var(--rt-tint); }
.rt-rto-table tbody tr { border-top: 1px solid var(--rt-border); }
.rt-rto-table tbody th { width: 140px; font-weight: 800; color: var(--rt-accent); }
.rt-rto-table td { color: var(--rt-text-muted); }

.rt-rto-faqs { background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 18px; padding: 4px 24px; box-shadow: var(--rt-card-shadow, 0 4px 15px rgba(15, 31, 46, .05)); }
.rt-rto-faq { border-bottom: 1px solid var(--rt-border); }
.rt-rto-faq:last-child { border-bottom: none; }
.rt-rto-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; cursor: pointer; list-style: none; }
.rt-rto-faq summary::-webkit-details-marker { display: none; }
.rt-rto-faq summary h3 { margin: 0; font-size: 15.5px; font-weight: 700; line-height: 1.6; color: var(--rt-text-main); }
.rt-rto-faq summary::after { content: '+'; flex-shrink: 0; font-size: 22px; font-weight: 500; color: var(--rt-accent); }
.rt-rto-faq[open] summary::after { content: '\2212'; }
.rt-rto-faq[open] summary h3 { color: var(--rt-accent); }
.rt-rto-faq p { margin: 0; padding-bottom: 16px; font-size: 14.5px; line-height: 1.85; color: var(--rt-text-muted); }

.rt-rto-cta { max-width: 1000px; margin: 44px auto 0; padding: 0 20px; }
.rt-rto-cta-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 30px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 18px; box-shadow: var(--rt-card-shadow, 0 4px 15px rgba(15, 31, 46, .05)); }
.rt-rto-cta-card h2 { margin: 0 0 6px; font-size: 20px; font-weight: 800; color: var(--rt-text-main); }
.rt-rto-cta-card p { margin: 0; font-size: 14.5px; line-height: 1.8; color: var(--rt-text-muted); }
.rt-rto-cta-card p a { color: var(--rt-accent); font-weight: 600; text-decoration: none; }
.rt-rto-cta-card p a:hover { text-decoration: underline; }
.rt-rto-btn { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; padding: 12px 24px; border-radius: 30px; background: var(--rt-accent); color: #fff; font-size: 14px; font-weight: 700; text-decoration: none; transition: var(--rt-ease, all .3s ease); }
.rt-rto-btn:hover { filter: brightness(.93); transform: translateY(-2px); }

@media (max-width: 1024px) {
    .rt-rto-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .rt-rto-fn { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .rt-rto-hero { padding: 56px 16px 90px; background-image: linear-gradient(to right, rgba(15, 31, 46, .93), rgba(15, 31, 46, .88)), url('/assets/images/banner/m-light.webp'); }
    [data-theme="dark"] .rt-rto-hero { background-image: linear-gradient(to right, rgba(0, 0, 0, .9), rgba(0, 0, 0, .86)), url('/assets/images/banner/m-dark.webp'); }
    .rt-rto-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; padding-inline: 16px; }
    .rt-rto-stat { padding: 14px 10px; }
    .rt-rto-stat strong { font-size: 20px; }
    .rt-rto-search, .rt-rto-tabs, .rt-rto-container, .rt-rto-info, .rt-rto-cta { padding-inline: 16px; }
    .rt-rto-tabs { justify-content: flex-start; }
    .rt-rto-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .rt-rto-card { height: 58px; gap: 8px; padding: 10px 11px; border-radius: 12px; }
    .rt-rto-ico { width: 24px; height: 24px; }
    .rt-rto-name { font-size: 13px; }
    .rt-rto-code { padding: 3px 9px; font-size: 12px; }
    .rt-rto-info { margin-top: 38px; }
    .rt-rto-info h2 { font-size: 19px; }
    .rt-rto-fn { grid-template-columns: 1fr; gap: 10px; }
    .rt-rto-fn-card { padding: 16px; }
    .rt-rto-steps li { padding: 16px; gap: 12px; }
    .rt-rto-table th, .rt-rto-table td { padding: 12px 14px; font-size: 13.5px; }
    .rt-rto-table tbody th { width: 84px; }
    .rt-rto-faqs { padding: 2px 16px; }
    .rt-rto-plate-row span { min-width: 72px; padding: 12px 12px; }
    .rt-rto-plate-row b { font-size: 22px; }
    .rt-rto-cta-card { flex-direction: column; align-items: flex-start; padding: 22px; }
    .rt-rto-btn { width: 100%; justify-content: center; }
}

@media (max-width: 600px) {
    .rt-rto-grid { grid-template-columns: minmax(0, 1fr); }
    .rt-rto-card { padding: 11px 14px; }
    .rt-rto-name { font-size: 14px; }
}

.rt-rto-plate-cta { margin-top: 14px; justify-content: flex-start; }
.rt-rto-plate-cta > div:nth-child(2) { flex: 1; min-width: 0; }
.rt-rto-plate-cta h3 { margin: 0 0 4px; font-size: 17px; font-weight: 800; color: var(--rt-text-main); }
.rt-rto-cta-ico { flex-shrink: 0; width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center; font-size: 20px; color: var(--rt-accent); background: var(--rt-tint); border-radius: 14px; }
@media (max-width: 768px) {
    .rt-rto-plate-cta { gap: 14px; }
}

.rt-rto-updated { margin: 0 0 14px; font-size: 12.5px; font-weight: 600; color: var(--rt-text-muted); }
.rt-rto-updated i { margin-inline-end: 6px; color: var(--rt-accent); }
.rt-rto-intro .rt-rto-body { margin-bottom: 12px; }
.rt-rto-intro strong { color: var(--rt-text-main); }
.rt-rto-toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.rt-rto-toc a { padding: 6px 14px; font-size: 12.5px; font-weight: 600; color: var(--rt-accent); background: var(--rt-tint); border-radius: 30px; text-decoration: none; transition: var(--rt-ease, all .3s ease); }
.rt-rto-toc a:hover { color: #fff; background: var(--rt-accent); }
.rt-rto-list { list-style: none; margin: 0; padding: 18px 22px; display: grid; gap: 12px; background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 16px; }
.rt-rto-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; line-height: 1.7; color: var(--rt-text-muted); }
.rt-rto-list i { margin-top: 5px; color: var(--rt-accent); }
.rt-rto-related { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.rt-rto-related a { padding: 9px 16px; font-size: 13px; font-weight: 600; color: var(--rt-text-main); background: var(--rt-card-bg); border: 1px solid var(--rt-border); border-radius: 30px; text-decoration: none; transition: var(--rt-ease, all .3s ease); }
.rt-rto-related a:hover { color: var(--rt-accent); border-color: var(--rt-accent); }
.rt-rto-info h2[id], .rt-rto-container[id] { scroll-margin-top: calc(var(--header-h, 70px) + 16px); }
.rt-rto-table td:last-child { text-align: start; }

@media (max-width: 768px) {
    .rt-rto-plate { padding: 18px 8px; }
    .rt-rto-plate-row { flex-wrap: nowrap; gap: 6px; width: 100%; }
    .rt-rto-plate-row span { flex: 1 1 0; min-width: 0; gap: 6px; padding: 10px 2px; border-width: 1.5px; border-radius: 10px; }
    .rt-rto-plate-row b { font-size: clamp(15px, 5vw, 22px); letter-spacing: 1px; white-space: nowrap; }
    .rt-rto-plate-row small { font-size: clamp(7.5px, 2.3vw, 10px); letter-spacing: 0; white-space: nowrap; }
    .rt-rto-list { padding: 14px 16px; }
}

.rt-rto-link { color: var(--rt-text-main); font-weight: 600; text-decoration: none; transition: var(--rt-ease, all .3s ease); }
.rt-rto-link:hover { color: var(--rt-accent); text-decoration: none; }
.rt-rto-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 14px; font-weight: 700; color: var(--rt-accent); text-decoration: none; }
.rt-rto-more:hover { text-decoration: none; }
.rt-rto-more i { font-size: 12px; }
@media (min-width: 769px) {
    .rt-rto-toc { justify-content: center; }
}

.rt-rto-lead strong, .rt-rto-body strong { font-weight: 700; color: var(--rt-text-main); }