:root{--bg:#f5f7fb;--surface:#fff;--surface-2:#f0f3f9;--border:#e1e7f0;--text:#1c2434;--muted:#6b7689;--primary:#4b6fe0;--primary-soft:#eaf0ff;--ok:#2f9e6d;--ok-soft:#e6f6ed;--warn:#d9862a;--warn-soft:#fff4e3;--danger:#d9555f;--danger-soft:#fdecee;--shadow:0 2px 12px #1c2a480f;--radius:12px;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}html[data-theme=dark]{--bg:#10151f;--surface:#18202e;--surface-2:#1f2a3b;--border:#2b3749;--text:#e7ecf5;--muted:#94a1b5;--primary:#8aa6ff;--primary-soft:#22304f;--ok:#5fd39d;--ok-soft:#17382b;--warn:#e9b56a;--warn-soft:#3a2c17;--danger:#f0838c;--danger-soft:#3b1f26;--shadow:0 2px 14px #00000040}*{box-sizing:border-box}body,html{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;margin:0;font-size:14px;line-height:1.65}button,input,select{font-family:inherit;font-size:inherit;color:inherit}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.brand .logo,.lesson-card .num,.lesson-item .mark,.mono,.quiz .qhead .n,.side-progress .big,.stage-card .en,.stage-head .cnt,.term b,.ver-badge,.w-box.code-out,.w-value,code,pre{font-family:var(--mono)}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:30;background:var(--surface);border-bottom:1px solid var(--border);height:60px;box-shadow:var(--shadow);gap:18px;padding:0 22px;position:sticky;top:0}.brand,.topbar{align-items:center;display:flex}.brand{white-space:nowrap;color:var(--text);gap:10px;font-size:16px;font-weight:700}.brand:hover,.btn,.btn:hover,.course-card,.course-card:hover,.lesson-item:hover{text-decoration:none}.brand .logo{color:#fff;background:linear-gradient(135deg,#4b6fe0,#38a9c4);border-radius:8px;place-items:center;width:28px;height:28px;font-size:14px;display:grid}.ver-badge{background:var(--primary-soft);color:var(--primary);border:1px solid var(--border);white-space:nowrap;border-radius:999px;padding:3px 8px;font-size:11px}.nav{gap:4px;margin-left:auto;display:flex}.icon-btn.menu-btn,.nav .ico,.nav .short{display:none}.nav a,.nav button{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:8px;padding:8px 14px;font-weight:600}.nav a:hover,.nav button:hover{background:var(--surface-2);color:var(--text)}.nav a.active,.nav button.active{background:var(--primary-soft);color:var(--primary)}.icon-btn{border:1px solid var(--border);background:var(--surface);cursor:pointer;width:34px;height:34px;color:var(--muted);border-radius:8px;font-size:15px}.icon-btn:hover{color:var(--primary);border-color:var(--primary)}.layout{flex:1;min-height:0;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex:none;width:288px;height:calc(100vh - 60px);padding:18px 14px 32px;position:sticky;top:60px;overflow-y:auto}.side-title{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px 8px;font-size:11px;font-weight:700}.side-progress{background:var(--surface-2);border-radius:10px;margin-bottom:18px;padding:12px}.side-progress .big{font-size:22px;font-weight:700}.side-progress .sub{color:var(--muted);font-size:12px}.bar{background:var(--border);height:7px;margin-top:9px;overflow:hidden}.bar,.bar>i{border-radius:99px}.bar>i{background:linear-gradient(90deg,var(--primary),#38a9c4);height:100%;transition:width .4s;display:block}.stage-group{margin-bottom:10px}.stage-head{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:8px;width:100%;padding:9px 8px;font-weight:650;display:flex}.stage-head:hover{background:var(--surface-2)}.stage-dot{border-radius:50%;flex:none;width:9px;height:9px}.stage-head .cnt{color:var(--muted);margin-left:auto;font-size:11px;font-weight:500}.lesson-list{border-left:2px solid var(--border);margin-left:12px;padding:2px 0 6px 12px}.lesson-item{text-align:left;cursor:pointer;width:100%;color:var(--muted);background:0 0;border:0;border-radius:8px;align-items:flex-start;gap:8px;padding:7px 8px;font-size:12.5px;line-height:1.45;display:flex}.lesson-item:hover{background:var(--surface-2);color:var(--text)}.lesson-item.active{background:var(--primary-soft);color:var(--primary);font-weight:650}.lesson-item .mark{flex:none;width:16px;font-size:11px}.lesson-item.done .mark{color:var(--ok)}.lesson-item.dim{opacity:.55}.main{flex:1;min-width:0;max-width:1180px;padding:28px 34px 70px}.view-head{margin-bottom:22px}.view-head h1{letter-spacing:-.01em;margin:0 0 6px;font-size:25px}.view-head p{color:var(--muted);margin:0}.section-title{align-items:center;gap:8px;margin:28px 0 12px;font-size:15px;font-weight:700;display:flex}.section-title:before{content:"";background:var(--primary);border-radius:3px;width:4px;height:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.grid{gap:14px;display:grid}.grid>*{min-width:0}.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.c4{grid-template-columns:repeat(4,minmax(0,1fr))}.muted{color:var(--muted)}.btn.sm,.small{font-size:12px}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:9px;justify-content:center;align-items:center;padding:9px 15px;font-weight:600;display:inline-flex}.btn:hover{color:var(--primary)}.btn.primary,.btn:hover{border-color:var(--primary)}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{filter:brightness(1.08);color:#fff}.btn.ghost,.pill{background:var(--surface-2)}.btn.sm{padding:6px 11px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-row{flex-wrap:wrap;gap:9px;display:flex}.pill{color:var(--muted);border:1px solid var(--border);border-radius:99px;padding:2px 9px;font-size:11px;display:inline-block}.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.danger,.pill.ok,.pill.warn{border-color:#0000}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.danger{background:var(--danger-soft);color:var(--danger)}.hero{background:linear-gradient(120deg,var(--primary-soft),var(--surface));border:1px solid var(--border);border-radius:16px;margin-bottom:20px;padding:22px 24px}.hero h2{margin:0 0 8px;font-size:19px}.hero p{color:var(--muted);margin:0 0 14px}.stage-card{border-left:4px solid var(--stage-color,var(--primary))}.stage-card h3{margin:0 0 4px;font-size:16px}.stage-card .en{color:var(--muted);font-size:11px}.stage-card .goal{color:var(--muted);margin:10px 0 12px;font-size:12px}.stage-card .mbar{color:var(--muted);align-items:center;gap:8px;font-size:11px;display:flex}.stage-card .mbar .bar{flex:1;margin:0}.lesson-card{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:10px;align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.lesson-card:hover{border-color:var(--primary);transform:translateY(-1px)}.lesson-card .num{color:var(--primary);padding-top:2px;font-size:12px;font-weight:700}.lesson-card .t{margin-bottom:3px;font-weight:650}.lesson-card .meta{color:var(--muted);flex-wrap:wrap;gap:10px;font-size:11px;display:flex}.lesson-card .state{flex:none;margin-left:auto}.lesson-top{flex-wrap:wrap;align-items:flex-start;gap:14px;display:flex}.lesson-top h1{margin:0 0 8px;font-size:23px}.lesson-meta{flex-wrap:wrap;gap:8px;margin:6px 0 0;display:flex}.goal-box{background:var(--primary-soft);border-radius:10px;margin:16px 0 24px;padding:12px 16px}.goal-box b{text-transform:uppercase;letter-spacing:.06em;font-size:12px}.goal-box ul{margin:6px 0 0;padding-left:20px}.block{margin-bottom:20px}.block h3{margin:0 0 9px;font-size:16px}.block p{margin:0 0 10px}.block p:last-child{margin-bottom:0}.block code:not(pre code){background:var(--surface-2);overflow-wrap:anywhere;border-radius:4px;padding:1px 5px;font-size:12.5px}.code-block{color:#e6edf7;background:#111827;border:1px solid #253044;border-radius:10px;padding:14px 16px;font-size:12.5px;line-height:1.65;overflow-x:auto}html[data-theme=dark] .code-block{background:#0c111b}.code-block .tok-kw{color:#c792ea}.code-block .tok-str{color:#a5d6a7}.code-block .tok-com{color:#7c8ba3;font-style:italic}.code-block .tok-num{color:#f7b267}.code-block .tok-fn{color:#82c7ff}.code-title{color:var(--muted);margin:0 0 7px;font-size:12px;font-weight:700}.code-scroll-hint{display:none}.code-note{color:var(--muted);margin-top:8px;font-size:12px}.callout{border:1px solid #0000;border-radius:10px;margin-bottom:16px;padding:13px 16px}.callout b{margin-bottom:4px;display:block}.callout.tip{background:var(--ok-soft);border-color:#2f9e6d38}.callout.warn{background:var(--warn-soft);border-color:#d9862a38}.callout.deep{background:var(--primary-soft);border-color:#4b6fe040}.callout p{margin:0}.list-block ul{margin:0;padding-left:20px}.list-block li{margin-bottom:6px}.terms{grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr));gap:10px;display:grid}.term{background:var(--surface-2);border-radius:9px;padding:10px 12px}.term b{color:var(--primary);font-size:12px}.term div{color:var(--muted);margin-top:3px;font-size:12px}.pitfall{border-left:3px solid var(--danger);background:var(--danger-soft);border-radius:0 8px 8px 0;margin-bottom:8px;padding:8px 12px;font-size:13px}.lesson-footer{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:10px;margin-top:30px;padding-top:18px;display:flex}.quiz{border:1px solid var(--border);background:var(--surface);border-radius:10px;margin-bottom:12px;padding:16px}.quiz .qhead{gap:8px;margin-bottom:12px;font-weight:650;display:flex}.quiz .qhead .n{color:var(--primary)}.quiz-opt{text-align:left;border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:8px;width:100%;margin-bottom:7px;padding:9px 12px;display:block}.quiz-opt:hover{border-color:var(--primary)}.quiz-opt.correct{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}.quiz-opt.wrong{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.quiz-opt:disabled{cursor:default}.quiz-fb{border-radius:8px;margin-top:8px;padding:10px 12px;font-size:12.5px}.quiz-fb.ok{background:var(--ok-soft);color:var(--ok)}.quiz-fb.no{background:var(--warn-soft);color:var(--warn)}.widget{border:1px solid var(--border);background:var(--surface);border-radius:12px;margin:18px 0 26px;overflow:hidden}.widget-head{background:var(--surface-2);border-bottom:1px solid var(--border);padding:14px 18px}.widget-head h4{margin:0 0 2px;font-size:15px}.widget-head p{color:var(--muted);margin:0;font-size:12px}.widget-body{padding:16px 18px}.widget-foot{border-top:1px solid var(--border);background:var(--surface-2);flex-wrap:wrap;align-items:center;gap:12px;padding:10px 18px;display:flex}.widget-status{color:var(--muted);flex:1;font-size:12px}.widget-status.ok{color:var(--ok);font-weight:650}.w-btn{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:8px;padding:7px 12px;font-size:12.5px;font-weight:600}.w-btn:hover{border-color:var(--primary);color:var(--primary)}.w-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.w-btn.primary:hover{color:#fff;filter:brightness(1.08)}.w-btn.ghost{background:var(--surface-2)}.w-btnrow{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.w-row{align-items:center;gap:12px;margin-bottom:9px;display:flex}.w-label{min-width:150px;color:var(--muted);font-size:12px;font-weight:600}.w-select{border:1px solid var(--border);background:var(--surface);border-radius:8px;min-width:200px;padding:6px 10px}.w-slider{max-width:260px;accent-color:var(--primary);flex:1}.w-value{color:var(--primary);font-size:12px}.w-box,.w-controls{margin-bottom:12px}.w-box{background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:12px}.w-box-title{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;font-size:11px;font-weight:700}.w-box.code-out{color:#e6edf7;word-break:break-word;background:#111827;border-color:#253044;font-size:12px}html[data-theme=dark] .w-box.code-out{background:#0c111b}.w-explain{font-size:12.5px}.w-explain p{margin:0 0 6px}.w-explain ul{margin:0;padding-left:18px}.w-explain li{margin-bottom:4px}.w-metric,.w-muted{color:var(--muted)}.w-metric{background:var(--surface);border:1px dashed var(--border);border-radius:8px;margin-bottom:12px;padding:8px 12px;font-size:12px}.w-explain strong,.w-metric strong{color:var(--primary);font-family:var(--mono)}.w-log{background:var(--surface);border:1px solid var(--border);max-height:190px;font-family:var(--mono);border-radius:8px;margin-bottom:12px;padding:10px;font-size:11.5px;overflow-y:auto}.w-line{color:var(--muted);padding:2px 0}.w-line.ok{color:var(--ok);font-weight:650}.w-line.last{color:var(--text)}.w-tree{flex-direction:column;align-items:flex-start;margin-bottom:12px;display:flex}.w-node{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;align-items:center;gap:10px;padding:8px 12px;transition:all .25s;display:flex}.w-node.active{background:var(--primary-soft);border-color:var(--primary);transform:translate(6px)}.concept-row .val,.kpi .v,.w-frame,.w-guard-row .no,.w-guard-row .yes,.w-idx,.w-instr{font-family:var(--mono)}.w-idx,.w-link{color:var(--muted);font-size:11px}.w-link{padding-left:18px}.w-instr{border:1px solid var(--border);border-radius:9px;align-items:center;gap:12px;margin-bottom:12px;padding:12px;font-size:13px;display:flex}.w-tag{background:var(--primary-soft);color:var(--primary);border-radius:99px;padding:3px 8px;font-size:10px;font-weight:700}.w-tag.async,.w-tag.yield{background:var(--warn-soft);color:var(--warn)}.w-tag.finalizer{background:var(--danger-soft);color:var(--danger)}.w-tag.done{background:var(--ok-soft);color:var(--ok)}.w-grid2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.w-frame{background:var(--surface);border:1px solid var(--border);border-radius:6px;margin-bottom:5px;padding:5px 9px;font-size:11.5px}.w-empty{color:var(--muted);font-size:12px}.w-graph,.w-lanes,.w-svg{background:var(--surface);border:1px solid var(--border);border-radius:9px;margin-bottom:12px;padding:8px;overflow-x:auto}.w-graph svg,.w-lanes svg,.w-svg svg{width:100%;min-width:420px;height:auto;color:var(--text);display:block}.w-guard-row{grid-template-columns:1fr 55px 1fr;align-items:center;gap:8px;padding:4px 0;font-size:11.5px;display:grid}.w-guard-row code{font-size:11px}.w-guard-row .yes{color:var(--ok);font-weight:700}.w-guard-row .no{color:var(--muted)}.w-graph svg,.w-lanes svg{min-width:520px}.kpi{text-align:center;padding:16px 10px}.kpi .v{color:var(--primary);font-size:26px;font-weight:700;line-height:1.2}.kpi .l{color:var(--muted);margin-top:4px;font-size:11.5px}.radar-wrap{justify-content:center;display:flex}.radar-wrap svg{width:100%;max-width:380px;height:auto}.concept-row{grid-template-columns:150px 1fr 46px;align-items:center;gap:10px;padding:4px 0;font-size:12px;display:grid}.concept-row .bar{height:6px;margin:0}.concept-row .val{text-align:right;color:var(--muted)}.timeline{align-items:flex-end;gap:5px;height:110px;padding-top:8px;display:flex}.timeline .col{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:4px;min-width:0;display:flex}.timeline .stick{background:linear-gradient(180deg,var(--primary),#38a9c4);border-radius:4px 4px 0 0;width:100%;max-width:26px;min-height:2px}.timeline .lb{color:var(--muted);white-space:nowrap;font-size:9px}.diag-item{border-left:3px solid var(--danger);background:var(--surface-2);border-radius:0 9px 9px 0;margin-bottom:9px;padding:11px 13px}.diag-item .t{margin-bottom:3px;font-weight:700}.diag-item .c{color:var(--warn);font-size:12px}.diag-item .a{color:var(--muted);margin-top:3px;font-size:12px}.review-item{border:1px solid var(--border);border-radius:9px;align-items:center;gap:12px;margin-bottom:8px;padding:11px 13px;display:flex}.review-item .name,table.tbl th{font-weight:650}.review-item .bar{width:110px;margin:0}.empty-state{text-align:center;color:var(--muted);padding:40px 20px}.empty-state .big{margin-bottom:8px;font-size:30px}table.tbl{border-collapse:collapse;width:100%;font-size:12px}table.tbl td,table.tbl th{text-align:left;border-bottom:1px solid var(--border);padding:8px 10px}table.tbl th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:11px}table.tbl tr:hover td{background:var(--surface-2)}.setting-row{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:14px;padding:12px 0;display:flex}.setting-row label{min-width:170px;font-weight:600}.setting-row input[type=number],.setting-row input[type=text]{border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:7px 10px}.note-list{padding-left:20px;font-size:12.5px}.note-list li{margin-bottom:5px}.drawer-backdrop,.drawer-head{display:none}.tbl-wrap,.tl-scroll{-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;min-width:0;max-width:100%;overflow-x:auto}@media (width<=1000px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{width:248px}.main{padding:22px 20px 60px}}@media (width<=780px){.topbar{height:auto;min-height:54px;padding:calc(env(safe-area-inset-top,0px)) 12px 0;flex-wrap:nowrap;gap:8px}.icon-btn{flex:none;width:40px;height:40px}.icon-btn.menu-btn{place-items:center;font-size:18px;display:grid}.brand{gap:0;font-size:15px}.brand span.t{display:none}.ver-badge{padding:2px 6px;font-size:10px}#themeBtn{margin-left:auto}.nav{z-index:45;background:var(--surface);border-top:1px solid var(--border);padding:4px 4px calc(4px + env(safe-area-inset-bottom,0px));align-items:stretch;gap:0;margin:0;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 18px #1c2a481a}html[data-theme=dark] .nav{box-shadow:0 -4px 18px #0006}.nav a,.nav button{border-radius:8px;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:1px;min-width:0;min-height:48px;margin:0;padding:5px 2px 4px;font-size:10.5px;font-weight:600;line-height:1.25;display:flex}.nav .ico{font-size:17px;line-height:1.2;display:block}.nav .lbl{display:none}.nav .short{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.nav a.active,.nav button.active{background:var(--primary-soft);color:var(--primary)}.layout,.sidebar{display:block}.sidebar{z-index:60;width:calc(min(86vw,320px));height:100%;max-height:none;padding:0 14px calc(24px + env(safe-area-inset-bottom,0px));border-right:1px solid var(--border);-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;transition:transform .24s;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-102%);box-shadow:8px 0 30px #0a101c33}body.nav-open .sidebar{transform:none}.drawer-backdrop{z-index:55;opacity:0;pointer-events:none;background:#0a101c75;transition:opacity .24s;display:block;position:fixed;inset:0}body.nav-open .drawer-backdrop{opacity:1;pointer-events:auto}body.nav-open{overflow:hidden}.drawer-head{z-index:2;background:var(--surface);padding:calc(12px + env(safe-area-inset-top,0px)) 2px 12px;border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex;position:sticky;top:0}.drawer-head b{font-size:14px}.drawer-head .icon-btn{width:36px;height:36px}.stage-head{padding:12px 8px}.lesson-item{min-height:44px;padding:11px 8px;font-size:13.5px}.main{padding:18px 14px calc(88px + env(safe-area-inset-bottom,0px));max-width:none}.view-head h1{font-size:21px}.view-head p{font-size:12.5px}.section-title{margin:24px 0 10px;font-size:14px}.hero{border-radius:14px;padding:18px 16px}.hero h2{font-size:17px}.grid.c2{grid-template-columns:minmax(0,1fr)}.grid.c3,.grid.c4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{gap:10px}.card,.quiz{padding:14px}.kpi{padding:12px 8px}.kpi .v{font-size:21px}.kpi .l{font-size:10.5px}.btn{min-height:42px}.btn.sm{min-height:40px;padding:8px 12px}.btn-row,.lesson-footer{gap:8px}.lesson-top h1{font-size:20px}.lesson-meta .pill{white-space:normal}.goal-box{margin:14px 0 20px;padding:12px 14px}.code-block{-webkit-overflow-scrolling:touch;padding:12px;font-size:12px}.code-scroll-hint{color:var(--muted);text-align:right;margin:-2px 0 5px;font-size:11px;display:block}.lesson-card,.review-item,.w-instr,.w-row{flex-wrap:wrap}.lesson-card>div{flex:190px;min-width:0}.lesson-card .state{margin-left:auto}.lesson-footer .btn{flex:auto}.concept-row>span:first-child,.pitfall,.term b,.w-box.code-out,.w-guard-row code,.w-instr{overflow-wrap:anywhere}.quiz-opt{min-height:44px;padding:11px 12px}.quiz .qhead{font-size:13.5px}.widget-body,.widget-foot,.widget-head{padding-left:14px;padding-right:14px}.widget-status{flex:100%}.w-btn{min-height:40px;padding:9px 12px}.w-row{gap:6px 10px}.w-label{min-width:100%;font-size:12px}.w-select{min-width:0;font-size:16px}.w-select,.w-slider{width:100%;max-width:none}.w-slider{flex:110px;min-height:32px}.w-value{white-space:nowrap}.w-grid2{grid-template-columns:1fr}.w-instr{gap:8px;font-size:12px}.w-guard-row{grid-template-columns:1fr 38px 1fr;gap:4px;font-size:10.5px}.w-graph,.w-lanes,.w-svg{-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}.w-graph:before,.w-lanes:before,.w-svg:before{content:"← 左右滑动查看完整图示 →";text-align:center;font-family:var(--sans);color:var(--muted);padding-bottom:6px;font-size:11px;display:block}.w-log{-webkit-overflow-scrolling:touch;max-height:220px}.radar-wrap svg{max-width:320px}.concept-row{grid-template-columns:minmax(0,96px) minmax(0,1fr) 34px;gap:6px;font-size:11.5px}.tbl-wrap table.tbl{min-width:620px}.tl-scroll .timeline{min-width:400px}.timeline .lb{font-size:9px}.review-item{gap:8px 10px}.review-item>div:first-child{flex:60%;min-width:0}.review-item .bar{flex:90px;width:auto;min-width:70px;margin:0}.setting-row{gap:8px}.setting-row label{min-width:100%;font-size:13px}.setting-row input[type=number],.setting-row input[type=text]{flex:100%;min-height:42px;font-size:16px}.setting-row .btn{flex:0 auto}}@media (width<=360px){.nav a,.nav button{font-size:10px}.main{padding-left:10px;padding-right:10px}.grid.c3,.grid.c4{gap:8px}.ver-badge{display:none}}@media (width<=780px) and (height<=480px){.nav{padding-top:2px;padding-bottom:calc(2px + env(safe-area-inset-bottom,0px))}.nav a,.nav button{min-height:40px}.nav .ico{font-size:15px}.main{padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}}@media (prefers-reduced-motion:reduce){.drawer-backdrop,.sidebar{transition:none}.lesson-card:hover,.w-node.active{transform:none}}.island-hero{background:linear-gradient(120deg,var(--primary-soft),var(--surface));border:1px solid var(--border);border-radius:16px;margin-bottom:22px;padding:26px 28px}.island-hero h1{letter-spacing:-.01em;margin:0 0 8px;font-size:26px}.island-hero p{color:var(--muted);max-width:680px;margin:0}.island-stats{flex-wrap:wrap;gap:22px;margin-top:18px;display:flex}.island-stats div{color:var(--muted);font-size:12px}.island-stats b{font-family:var(--mono);color:var(--primary);font-size:20px;display:block}.course-card{color:var(--text);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);cursor:pointer;border-top:4px solid var(--course-color,var(--primary));border-radius:14px;flex-direction:column;gap:10px;padding:20px;transition:transform .18s,border-color .18s;display:flex}.course-card:hover{border-color:var(--course-color,var(--primary));transform:translateY(-2px)}.course-card .cc-icon{font-size:28px;line-height:1}.course-card h3{margin:0;font-size:18px}.course-card .cc-sub{font-family:var(--mono);color:var(--muted);font-size:11px}.course-card .cc-desc{color:var(--muted);flex:1;font-size:13px}.course-card .cc-tags{flex-wrap:wrap;gap:6px;display:flex}.course-card .cc-foot{color:var(--muted);align-items:center;gap:10px;font-size:11.5px;display:flex}.course-card .cc-foot .bar{flex:1;margin:0}.course-card.soon{opacity:.62;cursor:default;border-top-style:dashed}.course-card.soon:hover{border-color:var(--border);transform:none}.crumb{color:var(--muted);align-items:center;gap:8px;margin-bottom:14px;font-size:12px;display:flex}.crumb a:hover,.prose-doc a:hover{text-decoration:underline}@media (width<=780px){.island-hero{padding:20px 18px}.island-hero h1{font-size:22px}.island-stats{gap:16px}}.prose-doc{font-size:14px;line-height:1.75}.prose-doc h1{margin:0 0 12px;font-size:22px}.prose-doc h2{border-bottom:1px solid var(--border);margin:26px 0 10px;padding-bottom:6px;font-size:18px}.prose-doc h3{margin:20px 0 8px;font-size:15px}.prose-doc p{margin:0 0 10px}.prose-doc ol,.prose-doc ul{margin:0 0 12px;padding-left:20px}.prose-doc li{margin-bottom:5px}.prose-doc blockquote{border-left:3px solid var(--primary);background:var(--primary-soft);margin:0 0 14px;padding:10px 14px}.prose-doc blockquote p{margin:0}.prose-doc code{background:var(--surface-2);overflow-wrap:anywhere;border-radius:4px;padding:1px 5px;font-size:12.5px}.prose-doc pre{color:#e6edf7;background:#111827;border-radius:9px;margin:0 0 14px;padding:12px;overflow-x:auto}.prose-doc pre code{color:inherit;background:0 0;padding:0}.prose-doc table{border-collapse:collapse;width:100%;margin:0 0 14px;font-size:12.5px;display:block;overflow-x:auto}.prose-doc td,.prose-doc th{border:1px solid var(--border);text-align:left;white-space:nowrap;padding:7px 9px}.prose-doc th{color:var(--muted);background:var(--surface-2)}.prose-doc hr{border:0;border-top:1px solid var(--border);margin:24px 0}
