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2px;font-size:.8125rem;font-weight:700}.sd-bar-track{background:#e9e1f3;border-radius:99px;flex:1;min-width:40px;height:6px;display:block;overflow:hidden}.sd-bar-fill{border-radius:inherit;background:linear-gradient(90deg, var(--sd-gold2), var(--sd-gold));width:0;height:100%;transition:width .3s;display:block}.sd-btn{cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:0 20px;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.sd-app .sd-btn-gold{background:var(--sd-gold);color:var(--sd-purple);box-shadow:0 3px 0 var(--sd-gold2)}.sd-app .sd-btn-gold:hover{color:var(--sd-purple);background:#edbe33}.sd-app .sd-btn-ghost{color:var(--sd-purple);background:#fff;border:1px solid #d9ccea}.sd-app :focus-visible{outline:3px solid var(--sd-gold2);outline-offset:2px}.sd-src{vertical-align:middle;flex-wrap:wrap;gap:4px;display:inline-flex}.sd-src-b{white-space:nowrap;letter-spacing:.02em;border-radius:99px;padding:1px 8px;font-family:Be Vietnam Pro,system-ui,sans-serif;font-size:.75rem;font-weight:700;line-height:1.6;display:inline-block}.sd-src-mm{background:var(--sd-soft);color:var(--sd-purple);border:1px solid #e2d5f2}.sd-src-hn{color:var(--sd-goldtxt);background:#fff6de;border:1px solid #f1d79a}.lotus-home:has(.sd-app){flex-direction:column;height:100dvh;display:flex;overflow:hidden}:is(.lotus-home:has(.sd-app) .lh-topbar,.lotus-home:has(.sd-app) .lh-backbar,.lotus-home:has(.sd-app) .lh-zg,.lotus-home:has(.sd-app) .lh-footer,.lotus-home:has(.sd-app) .lh-float,.lotus-home:has(.sd-app) .lh-mbar){display:none}.lotus-home:has(.sd-app) .lh-header{flex:none}.sd-app{flex-direction:column;flex:auto;min-height:0;display:flex}.sd-frame{grid-template-columns:var(--sd-side-w) minmax(0, 1fr);flex:auto;min-height:0;display:grid}.sd-frame.is-gate{display:block;overflow-y:auto}@media (min-width:761px){body:has(.sd-app) .lcw-fab.lcw-fab{justify-content:center;width:44px;min-height:44px;padding:0;bottom:12px;left:12px;right:auto}body:has(.sd-app) .lcw-fab.lcw-fab .lcw-fab-t{display:none}body:has(.sd-app) .lsp{bottom:86px}}.sd-side{border-right:1px solid var(--sd-line);background:#fff;flex-direction:column;min-width:0;min-height:0;padding:12px 10px 10px;display:flex}.sd-app .sd-back{max-width:100%;min-height:32px;color:var(--sd-ink2);border-radius:8px;align-self:flex-start;align-items:center;gap:6px;padding:0 8px;font-size:.8125rem;font-weight:600;text-decoration:none;display:inline-flex}.sd-app .sd-back>span[aria-hidden]{color:var(--sd-purple);font-size:1.15rem;line-height:1}.sd-back-t{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.sd-app .sd-back:hover{background:var(--sd-soft);color:var(--sd-purple)}.sd-side-head{border-bottom:1px solid var(--sd-line);flex:none;margin-bottom:6px;padding:6px 8px 10px}.sd-side-k{letter-spacing:.12em;text-transform:uppercase;color:var(--sd-goldtxt);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.6875rem;font-weight:700;overflow:hidden}.sd-side-k [lang]{letter-spacing:.06em}.sd-side-t{font-family:var(--sd-serif);font-variant-numeric:lining-nums;color:var(--sd-purple);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:2px 0 0;font-size:1.25rem;font-weight:700;line-height:1.2;display:-webkit-box;overflow:hidden}.sd-navsel{display:none}.sd-menu{scrollbar-width:thin;scrollbar-color:#d9ccea transparent;flex:auto;min-height:0;margin:0 -4px;padding:0 4px;overflow-y:auto}.sd-menu ol{flex-direction:column;gap:1px;margin:0;padding:0;list-style:none;display:flex}.sd-app .sd-menu a{min-height:34px;color:var(--sd-ink);border-radius:9px;align-items:center;gap:9px;padding:4px 8px;font-size:.875rem;line-height:1.3;text-decoration:none;display:flex}.sd-app .sd-menu a:hover{background:var(--sd-soft)}.sd-menu-n{width:22px;height:22px;color:var(--sd-purple);font-variant-numeric:tabular-nums;background:#f1eafb;border-radius:50%;flex:none;place-items:center;font-size:.75rem;font-weight:700;display:grid}.sd-menu .is-ov .sd-menu-n{color:var(--sd-goldtxt);background:#fff6de;border-radius:6px}.sd-menu-t{text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;font-weight:500;overflow:hidden}.sd-menu-c{color:var(--sd-ink2);font-variant-numeric:tabular-nums;flex:none;font-size:.75rem}.sd-menu-c b{color:var(--sd-ink);font-weight:700}.sd-app .sd-menu a.is-on{background:var(--sd-purple);color:#fff}.sd-app .sd-menu a.is-on .sd-menu-t{font-weight:700}.sd-app .sd-menu a.is-on .sd-menu-n{background:var(--sd-gold);color:var(--sd-purple)}.sd-app .sd-menu a.is-on .sd-menu-c,.sd-app .sd-menu a.is-on .sd-menu-c b{color:#fff}.sd-toc-ok{display:none}.is-seen>.sd-toc-ok,.is-seen 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var(--sd-line);background:#fff;flex-wrap:wrap;flex:none;justify-content:space-between;align-items:flex-end;gap:6px 20px;display:flex}.sd-head-t{flex:420px;min-width:0}.sd-head h1{color:var(--sd-purple);margin:0;font-size:1.75rem;font-weight:700;line-height:1.15}.sd-h-zh{font-family:var(--sd-zh);color:var(--sd-ink2);letter-spacing:.02em;font-size:.8em;font-weight:500}.sd-head-r{flex:none;align-items:center;gap:10px;display:flex}.sd-intro{max-width:1000px;color:var(--sd-ink2);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:100%;margin:0;font-size:.9375rem;line-height:1.55;display:-webkit-box;overflow:hidden}.sd-learn{flex-direction:column;flex:auto;min-height:0;display:flex}.sd-scroll{min-height:0;padding:20px var(--sd-pad) 28px;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#cdb8e6 transparent;outline:none;flex:auto;overflow:hidden auto}.sd-pane[hidden]{display:none!important}.sd-sec-h{color:var(--sd-purple);flex-wrap:wrap;align-items:baseline;gap:2px 12px;margin:0 0 12px;font-size:1.375rem;font-weight:700;line-height:1.2;display:flex}.sd-sec-h span{color:var(--sd-ink2);letter-spacing:0;font-family:Be Vietnam Pro,system-ui,sans-serif;font-size:.8125rem;font-weight:500}.sd-lead{border-bottom:1px solid var(--sd-line);margin-bottom:18px;padding-bottom:16px}.sd-empty{color:var(--sd-ink2)}.sd-legend{color:var(--sd-ink2);margin:14px 0 0;font-size:.8125rem;line-height:1.5}.sd-legend b{color:var(--sd-purple)}.sd-seg{background:var(--sd-soft);border:1px solid var(--sd-line);border-radius:12px;gap:2px;padding:3px;display:inline-flex}.sd-app .sd-seg button{min-height:36px;color:var(--sd-ink2);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:9px;padding:0 14px;font-size:.875rem;font-weight:600}.sd-app .sd-seg button:hover{color:var(--sd-purple)}.sd-app .sd-seg button[aria-selected=true]{color:var(--sd-purple);background:#fff;box-shadow:0 1px 4px #3f1a6e24}.sd-learn-seg{margin:12px var(--sd-pad) 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.sd-card:hover:before{opacity:1}.sd-card-top{align-items:center;gap:10px;min-width:0;display:flex}.sd-card-no{background:var(--sd-purple);width:30px;height:30px;color:var(--sd-gold);font-family:var(--sd-serif);font-variant-numeric:lining-nums;font-feature-settings:"lnum";border-radius:50%;flex:none;place-items:center;font-size:1.0625rem;font-weight:700;display:grid}.sd-card-zh{text-align:right;min-width:0;color:var(--sd-purple);white-space:nowrap;text-overflow:ellipsis;flex:auto;font-size:.9375rem;font-weight:500;overflow:hidden}.sd-card-sp{flex:auto}.sd-card-top .sd-toc-ok{margin-left:0}.sd-card-t{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:1rem;font-weight:700;line-height:1.35;display:-webkit-box;overflow:hidden}.sd-card-s{color:var(--sd-ink2);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.875rem;line-height:1.5;display:-webkit-box;overflow:hidden}.sd-card-f{flex-wrap:wrap;align-items:baseline;gap:5px 8px;margin-top:auto;padding-top:4px;display:flex}.sd-card-m{min-width:0;color:var(--sd-ink2);flex:auto;font-size:.8125rem;font-weight:600}.sd-card-c{color:var(--sd-ink2);font-variant-numeric:tabular-nums;flex:none;font-size:.8125rem}.sd-card-c b{color:var(--sd-ink)}.sd-card-f .sd-bar-track{flex:100%;height:5px}.sd-hero{padding:16px var(--sd-pad) 18px;background:var(--cv-bg,var(--sd-purple));color:var(--cv-fg,#fff);border-bottom:1px solid var(--cv-line,var(--sd-gold2));flex:none;grid-template-columns:minmax(0,1fr) clamp(260px,24vw,330px);align-items:center;gap:28px;display:grid}.sd-hero-text{min-width:0}.sd-hero 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12px;display:flex}.sd-ex-zh{color:var(--sd-ink);font-size:1.125rem;line-height:1.55}.sd-ex-py{color:var(--sd-ink2);font-size:.9375rem;font-style:italic;line-height:1.45}.sd-ex-vi{color:var(--sd-ink);margin-top:2px;font-size:.9375rem;line-height:1.5}.sd-wr{background:#fdf2f4;border:1px solid #f1cbd3;border-radius:12px;padding:8px 12px}.sd-wr .sd-tag{color:#8e1f35}.sd-wr-x{line-height:1.55;display:block}.sd-wr-x>span[aria-hidden]{color:#ad2f46;font-weight:800}.sd-nt{background:var(--sd-soft);border-left:3px solid var(--sd-purple);border-radius:12px;padding:8px 12px;font-size:.9375rem;line-height:1.55}.sd-nt .sd-tag{color:var(--sd-purple)}.sd-ul{margin:0 0 10px;padding-left:22px;line-height:1.6}.sd-ul li{margin:2px 0}.sd-ul li::marker{color:var(--sd-gold2)}.sd-tbl{overflow-x:auto}.sd-tbl table{border-collapse:collapse;border:1px solid var(--sd-line);background:#fff;border-radius:12px;width:100%;font-size:.9375rem;overflow:hidden}.sd-tbl 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.sd-vid-b{background:radial-gradient(circle at 50% 40%, #55288f, var(--sd-deep));color:#fff;width:100%;height:100%;font:inherit;cursor:pointer;text-align:center;border:0;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:10px;font-weight:600;display:flex}.sd-vid-i{background:var(--sd-gold);width:56px;height:56px;color:var(--sd-purple);border-radius:50%;place-items:center;display:grid}.sd-app .sd-say{min-height:36px;color:var(--sd-purple);font:inherit;cursor:pointer;background:#fff;border:1px solid #d9ccea;border-radius:99px;align-items:center;gap:6px;padding:0 12px;font-size:.875rem;font-weight:600;display:inline-flex}.sd-app .sd-say:hover{background:var(--sd-soft)}.sd-ex .sd-say{align-self:flex-start;min-height:32px;margin-top:4px}.sd-mcq{border:1px solid var(--sd-line);background:#fff;border-radius:14px;padding:10px 12px}.sd-mcq.is-ok{border-color:#8fc9a9}.sd-mcq.is-bad{border-color:#e7a9b5}.sd-q-no{background:var(--sd-purple);color:#fff;border-radius:99px;margin-bottom:4px;padding:1px 10px;font-size:.8125rem;font-weight:700;display:inline-block}.sd-mcq-q{margin:2px 0 8px;font-weight:600;line-height:1.5}.sd-q-img{object-fit:contain;background:var(--sd-cream);border-radius:10px;width:100%;height:150px;margin:4px 0 6px;display:block}.sd-q-pass{background:var(--sd-soft);border-radius:10px;margin:4px 0 8px;padding:8px 10px;line-height:1.6}.sd-q-listen{flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 8px;display:flex}.sd-q-script summary{cursor:pointer;color:var(--sd-purple);align-items:center;min-height:32px;font-size:.875rem;font-weight:600;display:inline-flex}.sd-q-script p{margin:4px 0 0;font-size:1.0625rem}.sd-mcq-o{flex-direction:column;gap:6px;display:flex}.sd-app .sd-opt{width:100%;min-height:44px;color:var(--sd-ink);font:inherit;text-align:left;cursor:pointer;background:#fff;border:1px solid #d9ccea;border-radius:12px;align-items:center;gap:10px;padding:6px 10px;display:flex}.sd-app .sd-opt:hover:not(:disabled){background:#fffcf2;border-color:#e2c46c}.sd-app .sd-opt:disabled{cursor:default}.sd-opt-k{background:var(--sd-soft);width:28px;height:28px;color:var(--sd-purple);border-radius:50%;flex:none;place-items:center;font-weight:800;display:grid}.sd-app .sd-opt.is-right{background:#ecf7f1;border-color:#2f8a5f}.sd-app .sd-opt.is-right .sd-opt-k{color:#fff;background:#1f6b47}.sd-app .sd-opt.is-wrong{background:#fdf2f4;border-color:#b23a52}.sd-app .sd-opt.is-wrong .sd-opt-k{color:#fff;background:#9e2a40}.sd-mcq-r{min-height:0;margin:6px 0 0;font-weight:700}.sd-mcq-r:empty{display:none}.is-ok .sd-mcq-r{color:#1f6b47}.is-bad .sd-mcq-r{color:#9e2a40}.sd-mcq-x{color:var(--sd-ink);margin:4px 0 0;font-size:.9375rem;line-height:1.55}.sd-fc{perspective:900px;height:150px;position:relative}.sd-fc-in{cursor:pointer;width:100%;height:100%;transform-style:preserve-3d;border-radius:16px;transition:transform .45s;display:block;position:relative}.sd-fc.is-flipped .sd-fc-in{transform:rotateY(180deg)}.sd-fc-f,.sd-fc-b{backface-visibility:hidden;text-align:center;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:10px 14px;display:flex;position:absolute;inset:0;overflow:hidden}.sd-fc-f{border:1px solid var(--sd-line);background:#fff;box-shadow:0 4px 12px #3f1a6e0f}.sd-fc-b{background:var(--sd-purple);color:#fff;transform:rotateY(180deg)}.sd-fc-n{color:var(--sd-ink2);font-size:.8125rem;font-weight:700;position:absolute;top:8px;left:12px}.sd-fc-f img{object-fit:contain;width:48px;height:48px}.sd-fc-w{color:var(--sd-purple);font-size:2rem;font-weight:700;line-height:1.2}.sd-fc-py{color:var(--sd-ink2);font-style:italic}.sd-fc-hint{color:var(--sd-ink2);font-size:.75rem;position:absolute;bottom:8px}.sd-fc-m{font-size:1.125rem;font-weight:700;line-height:1.4}.sd-fc-ex{color:#e4daf2;font-size:.875rem;line-height:1.45}.sd-fc-in:focus-visible{outline:3px solid var(--sd-gold2);outline-offset:2px}.sd-app .sd-fc-say{z-index:2;justify-content:center;width:34px;min-height:34px;padding:0;position:absolute;top:6px;right:6px}.sd-fc.is-flipped .sd-fc-say{display:none}.sd-app .sd-doc{border:1px solid var(--sd-line);color:var(--sd-ink);background:#fff;border-radius:14px;align-items:flex-start;gap:12px;padding:10px 12px;text-decoration:none;transition:border-color .2s,box-shadow .2s;display:flex}.sd-app .sd-doc:hover{border-color:#e2c46c;box-shadow:0 6px 16px #3f1a6e14}.sd-doc-i{background:var(--sd-purple);width:44px;height:52px;color:var(--sd-gold);letter-spacing:.04em;border-radius:8px;flex:none;place-items:center;font-size:.75rem;font-weight:800;display:grid}.sd-doc-b{flex-direction:column;gap:2px;min-width:0;display:flex}.sd-doc-t{font-weight:700;line-height:1.35}.sd-doc-d{color:var(--sd-ink2);font-size:.875rem;line-height:1.45}.sd-doc-m{color:var(--sd-purple);font-size:.875rem;font-weight:600}.sd-bot{padding:10px var(--sd-pad);border-top:1px solid var(--sd-line);background:#fff;flex:none;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:14px;display:grid}.sd-app .sd-nav{max-width:100%;min-height:48px;font:inherit;cursor:pointer;border-radius:14px;align-items:center;gap:10px;padding:0 18px;font-size:.9375rem;font-weight:700;text-decoration:none;display:inline-flex}.sd-app .sd-nav>span[aria-hidden]{font-size:1.5rem;line-height:1}.sd-nav-t{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.sd-app .sd-nav-prev{color:var(--sd-purple);background:#fff;border:1px solid #d9ccea;justify-self:start}.sd-app .sd-nav-prev:hover{background:var(--sd-soft)}.sd-app .sd-nav-next{background:var(--sd-purple);color:#fff;box-shadow:0 3px 0 var(--sd-deep);border:0;justify-self:end}.sd-app .sd-nav-next:hover{background:var(--sd-deep);color:#fff}.sd-pos{color:var(--sd-ink2);white-space:nowrap;flex-direction:column;align-items:center;gap:5px;font-size:.875rem;display:flex}.sd-pos b{color:var(--sd-ink);font-family:var(--sd-serif);font-variant-numeric:lining-nums;font-feature-settings:"lnum";font-size:1.15rem}.sd-pos-dots{flex-wrap:wrap;justify-content:center;gap:4px;max-width:300px;display:flex}.sd-pos-dots i{background:#e4d7f3;border-radius:99px;width:8px;height:8px}.sd-pos-dots i.is-done{background:#b9a0da}.sd-pos-dots i.is-on{background:var(--sd-gold2);width:20px}.sd-score{color:var(--sd-ink2)}.sd-score b{color:#1f6b47;font-size:1rem}.sd-scroll[data-mode=cards] .sd-mm-wrap,.sd-scroll[data-mode=map] .sd-cards-wrap{display:none}.sd-scroll[data-mode=map]{flex-direction:column;display:flex}.sd-mm-wrap{flex:1 0 auto;display:flex}.sd-mm{flex:auto;grid-template-columns:minmax(0,1fr) clamp(170px,16vw,230px) minmax(0,1fr);align-items:stretch;gap:0 clamp(36px,5vw,72px);min-height:440px;margin:0;display:grid;position:relative}.sd-mm-svg{pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.sd-mm-l{fill:none;stroke:#cdb8e6;stroke-width:2px;stroke-linecap:round}.sd-mm-l.is-gold{stroke:#e2c46c}.sd-mm-col{flex-direction:column;justify-content:space-evenly;gap:6px;min-width:0;min-height:0;margin:0;padding:0;list-style:none;display:flex}.sd-app .sd-mn{z-index:1;border:1px solid var(--sd-line);color:var(--sd-ink);background:#fff;border-radius:14px;align-items:center;gap:10px;padding:7px 12px;text-decoration:none;transition:border-color .2s,box-shadow .2s;display:flex;position:relative;box-shadow:0 4px 12px #3f1a6e0d}.sd-app .sd-mn:hover{border-color:#e2c46c;box-shadow:0 8px 20px #3f1a6e1f}.sd-mn-n{background:var(--sd-purple);width:28px;height:28px;color:var(--sd-gold);font-family:var(--sd-serif);font-variant-numeric:lining-nums;font-feature-settings:"lnum";border-radius:50%;flex:none;place-items:center;font-size:1rem;font-weight:700;display:grid}.sd-mn-b{flex-direction:column;min-width:0;display:flex}.sd-mn-t{white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:700;line-height:1.3;overflow:hidden}.sd-mn-zh{color:var(--sd-ink2);font-weight:500}.sd-mn-s{color:var(--sd-ink2);white-space:nowrap;text-overflow:ellipsis;font-size:.8125rem;line-height:1.4;overflow:hidden}.sd-mn-s b{color:var(--sd-goldtxt)}.sd-mm-core{z-index:1;aspect-ratio:1;text-align:center;background:radial-gradient(circle at 50% 35%, #55288f, var(--sd-purple) 70%);color:#fff;border-radius:50%;flex-direction:column;justify-content:center;align-self:center;align-items:center;gap:4px;padding:18px;display:flex;position:relative;box-shadow:0 0 0 8px #f1eafb,0 0 0 9px #e2c46c,0 16px 36px #3f1a6e40}.sd-mm-zh{color:var(--sd-gold);font-size:clamp(1.4rem,2.2vw,2rem);font-weight:700;line-height:1.2}.sd-mm-vi{font-family:var(--sd-serif);font-size:clamp(1rem,1.3vw,1.25rem);font-weight:700;line-height:1.2}.sd-gate{text-align:center;border:1px solid var(--sd-line);background:#fff;border-radius:24px;max-width:620px;margin:40px auto;padding:32px;box-shadow:0 14px 40px #3f1a6e1a}.sd-gate h1{color:var(--sd-purple);margin:6px 0 10px;line-height:1.15}.sd-gate h1 span{display:block}.sd-gate h1 [lang]{color:var(--sd-goldtxt);letter-spacing:.08em;font-size:1.6rem}.sd-gate-act{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px;display:flex}.sd-gate-msg{color:var(--sd-ink);font-weight:600}.sd-gate p{color:var(--sd-ink2);line-height:1.6}.lt-preview{color:#5a3a00;text-align:center;background:#fff6de;border-bottom:1px solid #f1d79a;flex:none;margin:0;padding:6px 16px;font-size:.9375rem}.sd-app .lt-preview a{color:var(--sd-purple);font-weight:700}@media (min-width:761px) and (max-height:800px){.sd-head{padding-top:10px;padding-bottom:10px}.sd-head h1{font-size:1.6rem}.sd-hero{padding-top:12px;padding-bottom:14px}.sd-hero-p{-webkit-line-clamp:1;margin-top:4px}.sd-h1-zh{font-size:1.3rem}.sd-h1-vi{font-size:2rem}.sd-stats{margin-top:6px}.sd-stats b{font-size:1.5rem}.sd-scroll{padding-top:14px;padding-bottom:20px}.sd-sec-h{margin-bottom:10px}.sd-card-s{-webkit-line-clamp:2}.sd-hero~.sd-scroll .sd-card-s{-webkit-line-clamp:1}.sd-bot{padding-top:8px;padding-bottom:8px}.sd-app .sd-nav{min-height:46px}}@media (min-width:761px) and (max-width:1100px){.sd-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.sd-cards>li{grid-column:auto}.sd-cards>li:last-child:nth-child(odd){grid-column:1/-1}.sd-hero{grid-template-columns:minmax(0,1fr) 250px;gap:18px}}@media (max-width:760px){.sd-app{--sd-pad:14px}.sd-frame{flex-direction:column;display:flex}body:has(.sd-app) .lcw-fab.lcw-fab{justify-content:center;width:46px;min-height:46px;padding:0;bottom:84px;left:auto;right:12px}body:has(.sd-app) .lcw-fab.lcw-fab .lcw-fab-t{display:none}body:has(.sd-app) .lsp{bottom:78px}.sd-side{border-right:0;border-bottom:1px solid var(--sd-line);flex-direction:row;flex:none;align-items:center;gap:6px;padding:6px 10px}.sd-side-head,.sd-menu,.sd-side-foot{display:none}.sd-app .sd-back{flex:0 auto;max-width:42%;min-height:40px;padding:0 6px}.sd-navsel{width:100%;min-width:0;min-height:40px;color:var(--sd-ink);font:inherit;text-overflow:ellipsis;background:#fff;border:1px solid #d9ccea;border-radius:10px;flex:auto;padding:0 30px 0 10px;font-size:.875rem;font-weight:600;display:block}.sd-head{padding:8px var(--sd-pad);align-items:center;gap:6px 10px}.sd-head-t{flex-basis:100%}.sd-head h1{font-size:1.3rem}.sd-eyebrow{font-size:.6875rem}.sd-intro{-webkit-line-clamp:2;font-size:.875rem}.sd-head-r{flex:auto}.sd-scroll{padding:14px var(--sd-pad) 20px}.sd-sec-h{font-size:1.2rem}.sd-cards{grid-template-columns:1fr;grid-auto-rows:auto;gap:10px;max-width:none}.sd-cards>li{grid-column:auto}.sd-card-s{-webkit-line-clamp:2}.sd-hero{padding:12px var(--sd-pad) 14px;grid-template-columns:1fr;gap:10px}.sd-h1-zh{font-size:1.3rem}.sd-h1-vi{font-size:1.5rem}.sd-hero-p,.sd-stats,.sd-hero-k,.sd-hero-note{display:none}.sd-hero-card{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:6px 14px;padding:10px 12px;display:grid}.sd-hero-prog{grid-column:1;font-size:.875rem}.sd-hero-prog b{font-size:1.5rem}.sd-hero-card .sd-bar-track{grid-column:1}.sd-hero-card .sd-btn{grid-area:1/2/span 2;width:auto;min-height:46px;padding:0 18px}.sd-yh h2{font-size:1.3rem}.sd-flow{grid-template-columns:minmax(0,1fr)}.sd-flow>.sd-fc{margin-bottom:0}.sd-fc{height:140px}.sd-learn-seg{margin-top:10px}.sd-bot{padding:8px 10px;padding-bottom:max(8px, env(safe-area-inset-bottom,0px));gap:8px}.sd-app .sd-nav{gap:6px;min-height:46px;padding:0 12px;font-size:.875rem}.sd-nav-prev .sd-nav-t{display:none}.sd-app .sd-nav-prev{padding:0 16px}.sd-pos{font-size:.8125rem}.sd-pos-dots{display:none}.sd-scroll[data-mode=map]{display:block}.sd-mm{flex-direction:column;min-height:0;margin:0;display:flex}.sd-mm-svg{display:none}.sd-mm-core{aspect-ratio:auto;box-shadow:none;border-radius:16px;flex-direction:row;flex:none;order:-1;justify-content:flex-start;gap:10px;margin:0;padding:10px 14px}.sd-mm-col{border-left:2px solid #cdb8e6;flex:none;gap:8px;margin-left:22px;padding:6px 0 0 14px}.sd-mm-col li{position:relative}.sd-mm-col li:before{content:"";border-top:2px solid #cdb8e6;width:12px;position:absolute;top:50%;left:-14px}.sd-mm-right{padding-top:8px}.sd-mn-s{white-space:normal;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box}.sd-mn-t{white-space:normal}.sd-gate{margin:20px 14px;padding:22px 16px}}@media (min-width:761px) and (min-height:1000px){.sd-card-s{-webkit-line-clamp:5}}@media (min-width:1700px){.sd-head h1{font-size:2rem}.sd-flow{grid-template-columns:repeat(auto-fill,minmax(360px,1fr))}}@media (prefers-reduced-motion:reduce){.sd-app *{transition:none!important}}