/* 2026-11-01 content and support cleanup. */
.r-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,540px);min-height:0;gap:48px;padding-top:44px;padding-bottom:42px}
.r-hero h1{font-size:clamp(40px,3.15vw,44px);line-height:1.3}
.r-hero-copy>p:not(.r-kicker){max-width:520px}
.r-hero .r-hero-visual{width:100%;max-width:540px}
.r-section{padding-top:54px;padding-bottom:54px}
.r-section h2{font-size:29px}
.r-heading{margin-bottom:23px}
.r-group-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.r-group{padding:22px 22px 20px;border-right:1px solid var(--border)}
.r-group:first-child{padding-left:0}.r-group:last-child{border-right:0;padding-right:0}
.r-group-id{display:block;color:var(--accent);font-size:26px;line-height:1.2;font-weight:700}
.r-group h3{font-size:20px;margin:13px 0 2px}.r-group strong{display:block;color:var(--muted);font-size:13px;font-weight:700}
.r-group p{font-size:14px;line-height:1.65;min-height:70px;margin:15px 0}
.r-group>div{display:flex;flex-wrap:wrap;gap:6px 18px}.r-group a{color:var(--accent);font-size:13px;font-weight:700;text-decoration:none}.r-group a:hover{text-decoration:underline}
.r-guide{display:block;background:#fff}
.r-guide-grid{display:grid;grid-template-columns:1fr .86fr;gap:11%;align-items:center}
.r-guide-grid>div>p{margin:0 0 20px;max-width:540px}
.r-guide-grid>div>p strong{color:var(--ink)}
.r-guide-grid ol{margin:0;padding:0;list-style:none;border-top:1px solid var(--border);counter-reset:guide}
.r-guide-grid li{counter-increment:guide;display:flex;gap:16px;border-bottom:1px solid var(--border);padding:13px 0;font-size:15px;font-weight:600}
.r-guide-grid li:before{content:counter(guide,decimal-leading-zero);font:700 13px ui-monospace,monospace;color:var(--accent)}
.r-guide-grid li span{min-width:76px}.r-guide-grid li>div{display:flex;flex-wrap:wrap;gap:4px 14px}.r-guide-grid li a{color:var(--accent);font-size:14px;text-decoration:none}.r-guide-grid li a:hover{text-decoration:underline}
.r-faq{background:var(--bg)}
.r-faq-grid{grid-template-columns:.68fr 1.32fr;gap:9%}
.r-faq-list summary{padding:15px 0;min-height:50px}
.r-faq-list details p{padding-bottom:15px}
.footer-top{grid-template-columns:1.4fr .75fr 1.1fr .9fr;gap:35px;padding-top:48px;padding-bottom:42px}
.footer-top p{max-width:330px}.footer-top a,.footer-top button{line-height:1.6}
.footer-brand img{display:block;width:144px;height:auto;max-height:58px;object-fit:contain;object-position:left center}
.footer-contact-note{font-size:12px;color:var(--muted);margin-top:6px}
.footer-bottom{align-items:center;flex-wrap:wrap;gap:8px 24px}
.footer-bottom nav{display:flex;gap:18px}.footer-bottom nav a{color:var(--accent)}
.support-rail{position:fixed;right:20px;bottom:24px;z-index:12;display:flex;flex-direction:column;gap:12px}
.support-rail button{display:grid;place-items:center;width:48px;height:48px;padding:0;border:0;border-radius:50%;box-shadow:0 5px 18px #092b3650;color:#fff}
.support-rail button[data-support-open="qq"]{background:#2776bc}
.support-rail button[data-support-open="wechat"]{background:#1b9b60}
.support-rail button:hover{filter:brightness(.92)}
.support-rail button:focus-visible{outline:3px solid #0a465a;outline-offset:3px}
.support-rail button img{width:26px;height:26px}
.support-rail button[data-support-open="qq"] img{filter:invert(1)}
.support-rail[hidden]{display:none!important}
.contact-dialog[data-support-dialog]{width:min(420px,calc(100vw - 28px));max-width:none;max-height:calc(100svh - 28px);padding:30px;border:0;border-radius:10px;box-shadow:0 16px 55px #0e2b3459}
.contact-dialog[data-support-dialog]::backdrop{background:#122932a8}
.contact-dialog[data-support-dialog] h2{font-size:23px;line-height:1.35;margin:0 0 13px}
.contact-dialog[data-support-dialog] p{margin:7px 0;color:var(--muted)}
.contact-dialog[data-support-dialog] a{color:var(--accent)}
.contact-dialog[data-support-dialog] img{width:204px;height:auto;max-width:100%;padding:10px;background:#fff;margin:14px auto;display:block}
.contact-dialog[data-support-dialog] .copy-row{display:flex;gap:13px;align-items:center;flex-wrap:wrap;margin-top:16px}
.contact-dialog[data-support-dialog] [data-support-copy]{min-height:44px;padding:8px 15px;border:0;border-radius:6px;background:var(--accent);color:#fff;font-weight:700}
.contact-dialog[data-support-dialog] .copy-feedback{min-height:25px}
.rd-intro h1,.rd-tutorial-intro h1,.rd-notfound h1{font-size:36px}
.rd-section h2,.rd-faq-group h2{font-size:29px}
.rd-intro{padding-top:42px;padding-bottom:31px}
.rd-price-section{padding-top:20px}
.rd-help{padding-top:25px;padding-bottom:54px}
.rd-help-feature{display:grid;grid-template-columns:115px 1fr 1.35fr 20px;gap:18px;align-items:center;margin-bottom:34px;padding:19px 22px;border:1px solid var(--border);border-radius:8px;background:#fff;text-decoration:none}
.rd-help-feature span{color:var(--accent);font-size:13px;font-weight:700}.rd-help-feature strong{font-size:18px}.rd-help-feature p{font-size:13px;margin:0;color:var(--muted)}.rd-help-feature b{color:var(--accent)}
.rd-help-filters{display:flex;gap:7px;flex-wrap:wrap;margin:17px 0 7px}
.rd-help-filters button{min-height:44px;padding:6px 12px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--ink);font-size:14px}
.rd-help-filters button[aria-pressed="true"]{border-color:var(--accent);background:var(--accent);color:#fff}
.rd-help-group{padding-top:24px}
.rd-help-group h2{font-size:23px;line-height:1.4;margin:0 0 10px}
.rd-help-group .rd-help-list{margin-top:0}
.rd-help-group .rd-help-list a{grid-template-columns:1fr 1.4fr 20px;padding:14px 0}
.rd-help-group .rd-help-list a strong{font-size:15px}
.rd-help-group .rd-help-list a p{font-size:13px}
.rd-faq-group{padding-bottom:28px}
.rd-faq-group h2{margin:0 0 13px}
.rd-faq-contact{border-top:1px solid var(--border);padding-top:25px}
.rd-faq-contact a{color:var(--accent);font-weight:700}
@media(max-width:1024px){.r-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,50%);gap:28px}.footer-top{gap:25px}}
@media(max-width:768px){.r-hero-grid{grid-template-columns:1fr;gap:22px;padding-top:33px;padding-bottom:33px}.r-hero h1{font-size:31px;line-height:1.32}.r-hero-copy>p:not(.r-kicker){font-size:15px;margin-bottom:20px}.r-hero .r-hero-visual{max-width:560px}.r-section{padding-top:34px;padding-bottom:34px}.r-section h2{font-size:25px}.r-group-grid{grid-template-columns:1fr}.r-group,.r-group:first-child,.r-group:last-child{padding:16px 0;border-right:0;border-bottom:1px solid var(--border)}.r-group:last-child{border-bottom:0}.r-group h3{display:inline-block;margin:0 10px 0 0;font-size:18px}.r-group-id{display:inline-block;min-width:68px;font-size:23px}.r-group strong{display:inline-block}.r-group p{margin:7px 0;min-height:0}.r-guide-grid{grid-template-columns:1fr;gap:24px}.r-faq-grid{grid-template-columns:1fr;gap:20px}.footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;padding-top:38px;padding-bottom:34px}.footer-bottom{display:flex;flex-direction:column;align-items:flex-start}.support-rail{right:12px;bottom:calc(14px + env(safe-area-inset-bottom));gap:8px}.support-rail button{width:44px;height:44px}.support-rail button img{width:24px;height:24px}.rd-intro h1,.rd-tutorial-intro h1,.rd-notfound h1{font-size:29px}.rd-section h2,.rd-faq-group h2{font-size:25px}.rd-help-feature{grid-template-columns:1fr 22px;gap:5px;padding:15px}.rd-help-feature span,.rd-help-feature strong,.rd-help-feature p{grid-column:1}.rd-help-feature b{grid-column:2;grid-row:1/4}.rd-help-group .rd-help-list a{grid-template-columns:1fr 20px;gap:4px}.rd-help-group .rd-help-list a strong{grid-column:1}.rd-help-group .rd-help-list a p{grid-column:1;grid-row:2}.rd-help-group .rd-help-list a b{grid-column:2;grid-row:1/3}}
@media(max-width:768px){body[data-page="tutorial"] .tutorial-article{padding-right:52px}body[data-page="tutorial"] .tutorial-article figure{margin-right:-52px}.r-guide-grid li span{min-width:68px}.footer-brand img{width:132px}}


/* Second-set selection artwork: complete portrait, with an accessible full-size view. */
.selection-artwork{margin:0;width:100%;max-width:440px;min-width:0;justify-self:end}
.selection-artwork>a{display:block;overflow:hidden;border:1px solid #dbe5ea;border-radius:12px;background:#fff;cursor:zoom-in;transition:transform .18s ease}
.selection-artwork>a:hover{transform:translateY(-2px)}
.selection-artwork img{display:block;width:100%;height:auto;max-height:none;object-fit:contain}
.selection-artwork figcaption{font-size:13px;line-height:1.6;color:#4b616b;text-align:center;margin:9px 0 0}
@media(max-width:768px){.selection-artwork{max-width:440px;margin:0 auto;align-self:center;justify-self:center}.selection-artwork figcaption{font-size:12px}}
@media(prefers-reduced-motion:reduce){.selection-artwork>a{transition:none}.selection-artwork>a:hover{transform:none}}

.rd-selection-lead{grid-template-columns:minmax(0,1fr) 440px;gap:64px;align-items:center;padding-top:24px;padding-bottom:48px}
.rd-selection-lead>div{min-width:0}.rd-selection-lead h2{font-size:28px;line-height:1.4;margin-top:0;margin-bottom:22px}
.rd-selection-types>div{grid-template-columns:82px 1fr;gap:18px;padding:20px 0}.rd-selection-types strong{font-size:18px}.rd-selection-types p{line-height:1.7}
.selection-price-link{display:inline-flex;align-items:center;min-height:44px;margin-top:20px;font-size:15px;font-weight:700;color:var(--accent)}
@media(max-width:1024px){.rd-selection-lead{grid-template-columns:minmax(0,1fr) 40%;gap:32px}.rd-selection-lead h2{font-size:25px}.rd-selection-types>div{grid-template-columns:65px 1fr;gap:12px}}
@media(max-width:768px){.rd-selection-lead{display:flex;flex-direction:column;align-items:stretch;gap:28px;padding-top:8px;padding-bottom:32px}.rd-selection-lead>.selection-artwork{order:-1}.rd-selection-lead h2{font-size:25px;margin-bottom:18px}.rd-selection-types>div{padding:15px 0}.rd-selection-types strong{font-size:17px}.selection-price-link{margin-top:15px}}