.rtd-wrap{background:#f4f4f5;padding:72px 0 96px}.rtd-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;align-items:start}.rtd-main,.rtd-side-card{background:#fff;border:1px solid #e7e7ea;border-radius:28px;box-shadow:0 18px 46px rgba(20,20,25,.06)}.rtd-main{padding:42px}.rtd-side{display:grid;gap:20px;position:sticky;top:110px}.rtd-side-card{padding:26px}.rtd-kicker{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:#fff0ed;color:#ff4938;font-weight:700;font-size:13px;margin-bottom:18px}.rtd-summary{font-size:20px;line-height:1.65;color:#4f525b;margin:0 0 30px}.rtd-platforms{padding:18px 20px;border-radius:18px;background:#18191d;color:#fff;margin:24px 0 34px}.rtd-platforms b{display:block;color:#ff5a48;margin-bottom:7px}.rtd-section{padding:28px 0;border-top:1px solid #e8e8eb}.rtd-section:first-of-type{border-top:0}.rtd-section h2{font-size:30px;line-height:1.2;margin-bottom:13px}.rtd-section p{color:#555963;line-height:1.75;margin:0}.rtd-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.rtd-note{padding:24px;border-radius:22px;border:1px solid #e8e8eb;background:#fafafa}.rtd-note.good{background:#f5fbf7;border-color:#d9eee1}.rtd-note.warn{background:#fff9f0;border-color:#f2e1c6}.rtd-note h3{font-size:19px;margin-bottom:10px}.rtd-list{display:grid;gap:12px;margin:15px 0 0;padding:0;list-style:none}.rtd-list li{position:relative;padding-left:24px;color:#565b64;line-height:1.6}.rtd-list li:before{content:'•';position:absolute;left:4px;color:#ff4d3b;font-weight:900}.rtd-side-card h3{font-size:21px;margin-bottom:14px}.rtd-side-card p{font-size:14px;line-height:1.65;color:#666a73}.rtd-related{display:grid;gap:12px}.rtd-related a{display:block;padding:13px 14px;border-radius:14px;background:#f6f6f7;color:#22252b;font-weight:600;line-height:1.35}.rtd-related a:hover{background:#fff0ed;color:#ff4938}.rtd-faq{display:grid;gap:12px}.rtd-faq details{border:1px solid #e7e7ea;border-radius:16px;padding:16px 18px;background:#fff}.rtd-faq summary{font-weight:700;cursor:pointer}.rtd-faq p{margin-top:10px;color:#5a5e67;line-height:1.65}.rtd-cta{margin-top:26px;padding:28px;border-radius:24px;background:linear-gradient(135deg,#15161b,#2a191a);color:#fff}.rtd-cta p{color:#d5d5db}.rtd-cta .tf-btn{margin-top:16px}.rtd-breadcrumb-domain{max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rtd-page-title{max-width:1180px;margin:auto}.rtd-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.rtd-meta span{padding:8px 12px;border:1px solid #dedee4;border-radius:999px;font-size:13px}.rtd-method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}.rtd-method{border:1px solid #e7e7eb;border-radius:18px;padding:18px;background:#fafafa}.rtd-method b{display:block;margin-bottom:7px}.rtd-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px}.rtd-nav a{flex:1;border:1px solid #dddde1;border-radius:18px;padding:16px 18px;background:#fff}.rtd-nav a:last-child{text-align:right}@media(max-width:991px){.rtd-grid{grid-template-columns:1fr}.rtd-side{position:static}.rtd-two,.rtd-method-grid{grid-template-columns:1fr}.rtd-main{padding:26px}.rtd-wrap{padding:48px 0 72px}}@media(max-width:575px){.rtd-section h2{font-size:24px}.rtd-summary{font-size:17px}.rtd-nav{flex-direction:column}.rtd-nav a:last-child{text-align:left}}

/* 2026-09-18: CTA uses a dark panel; force accessible heading contrast. */
.rtd-cta h2,
.rtd-cta h3 { color:#fff !important; }
.rtd-cta p { color:#e6e6ea !important; }