*,:after,:before{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246/0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246/0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }/*
! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com
*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0}fieldset,legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.fixed{position:fixed}.block{display:block}.flex{display:flex}.table{display:table}.list-item{display:list-item}.hidden{display:none}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.break-all{word-break:break-all}.border{border-width:1px}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}:root,:root[data-theme=light]{color-scheme:light dark;--bg:#f3f6fb;--bg-grad:linear-gradient(180deg,#eaf2fc,#f0f1fb 46%,#f7f1f8);--card:#ffffff;--surface:#f5f7fb;--line:#e6eaf2;--line-soft:#eef1f7;--ink:#1d2740;--ink-2:#4c5772;--muted:#8792a9;--brand:#6b5ce7;--brand-2:#4b90f5;--brand-grad:linear-gradient(100deg,#7b62ef,#4d92f7);--brand-ink:#5a49cf;--brand-soft:#efecff;--on-brand:#ffffff;--accent:#6b5ce7;--accent-soft:#efecff;--mint:#43c3a0;--mint-soft:#e6f7f1;--mint-ink:#238b6f;--sky:#55a6f2;--sky-soft:#e9f3fe;--sky-ink:#2b78c4;--amber:#f0a354;--amber-soft:#fff2e4;--amber-ink:#bd7222;--lilac:#9b81e8;--lilac-soft:#f2edfd;--blush:#e8759b;--blush-soft:#fdeef3;--blue:#6b8ae8;--blue-soft:#eaeefe;--blue-ink:#3f63bd;--purple:#9b7ce6;--purple-soft:#f2edfd;--purple-ink:#7454c4;--green:#43c3a0;--green-soft:#e6f7f1;--green-ink:#238b6f;--orange:#f0a354;--orange-soft:#fff2e4;--orange-ink:#bd7222;--cyan:#4aa9d6;--cyan-soft:#e6f5fb;--cyan-ink:#2479a3;--rose:#e8759b;--rose-soft:#fdeef3;--rose-ink:#bb4c74;--warn:#b8791f;--warn-soft:#fff5e6;--danger:#d9565f;--danger-soft:#fdeeee;--r-lg:16px;--r-md:12px;--r-sm:9px;--r-icon:11px;--pad:18px;--sh:0 2px 10px rgba(43,62,120,.055);--sh-lg:0 14px 36px rgba(43,62,120,.16);--font-display:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,Georgia,"Songti SC",serif;--font-body:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;--font-num:-apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",sans-serif;--font-hand:"Snell Roundhand","Bradley Hand","Segoe Script","Comic Sans MS",cursive;--nav-h:58px;--btn-h:46px;--tap:44px;--gap:14px;--fs-title:26px;--fs-body:14px;--fs-sub:12.5px;--ic:20px}@media (prefers-color-scheme:dark){:root{--bg:#141826;--bg-grad:linear-gradient(180deg,#172033,#1a1c30 48%,#211c31);--card:#1e2436;--surface:#262d42;--line:#333c54;--line-soft:#2b3349;--ink:#edf1fb;--ink-2:#c0c9de;--muted:#8b96b0;--brand:#9385f5;--brand-2:#6aa8f7;--brand-grad:linear-gradient(100deg,#8570ee,#5797f2);--brand-ink:#b3a8ff;--brand-soft:#2b2a4c;--on-brand:#ffffff;--accent:#9b8df7;--accent-soft:#2c2b4e;--mint:#63d2b2;--mint-soft:#1f3a33;--mint-ink:#8ee0c4;--sky:#77b6f5;--sky-soft:#1e3247;--sky-ink:#9cccf8;--amber:#f2b671;--amber-soft:#3a3020;--amber-ink:#f6c78c;--lilac:#b39bf0;--lilac-soft:#2f2949;--blush:#f095b6;--blush-soft:#3a2633;--blue:#91a5f2;--blue-soft:#262e4c;--blue-ink:#adc0f7;--purple:#b79bf0;--purple-soft:#302848;--purple-ink:#c9b3f7;--green:#63d2b2;--green-soft:#1f3a33;--green-ink:#8ee0c4;--orange:#f2b671;--orange-soft:#3a3020;--orange-ink:#f6c78c;--cyan:#74c4e8;--cyan-soft:#1e3844;--cyan-ink:#96d6ef;--rose:#f095b6;--rose-soft:#3a2633;--rose-ink:#f7afc9;--warn:#e0b876;--warn-soft:#372c1c;--danger:#ef8b90;--danger-soft:#3a2628;--sh:0 2px 10px rgba(0,0,0,.22);--sh-lg:0 14px 36px rgba(0,0,0,.42)}}:root[data-theme=dark]{color-scheme:dark;--bg:#141826;--bg-grad:linear-gradient(180deg,#172033,#1a1c30 48%,#211c31);--card:#1e2436;--surface:#262d42;--line:#333c54;--line-soft:#2b3349;--ink:#edf1fb;--ink-2:#c0c9de;--muted:#8b96b0;--brand:#9385f5;--brand-2:#6aa8f7;--brand-grad:linear-gradient(100deg,#8570ee,#5797f2);--brand-ink:#b3a8ff;--brand-soft:#2b2a4c;--on-brand:#ffffff;--accent:#9b8df7;--accent-soft:#2c2b4e;--mint:#63d2b2;--mint-soft:#1f3a33;--mint-ink:#8ee0c4;--sky:#77b6f5;--sky-soft:#1e3247;--sky-ink:#9cccf8;--amber:#f2b671;--amber-soft:#3a3020;--amber-ink:#f6c78c;--lilac:#b39bf0;--lilac-soft:#2f2949;--blush:#f095b6;--blush-soft:#3a2633;--blue:#91a5f2;--blue-soft:#262e4c;--blue-ink:#adc0f7;--purple:#b79bf0;--purple-soft:#302848;--purple-ink:#c9b3f7;--green:#63d2b2;--green-soft:#1f3a33;--green-ink:#8ee0c4;--orange:#f2b671;--orange-soft:#3a3020;--orange-ink:#f6c78c;--cyan:#74c4e8;--cyan-soft:#1e3844;--cyan-ink:#96d6ef;--rose:#f095b6;--rose-soft:#3a2633;--rose-ink:#f7afc9;--warn:#e0b876;--warn-soft:#372c1c;--danger:#ef8b90;--danger-soft:#3a2628;--sh:0 2px 10px rgba(0,0,0,.22);--sh-lg:0 14px 36px rgba(0,0,0,.42)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.app-shell{max-width:480px;margin:0 auto;min-height:100dvh;padding:env(safe-area-inset-top) var(--pad) calc(var(--nav-h) + 26px + env(safe-area-inset-bottom));background:var(--bg-grad);overflow-x:clip;-webkit-overflow-scrolling:touch}.page-title{font-size:clamp(24px,6.5vw,29px);font-weight:800;letter-spacing:-.02em;margin:26px 0 5px}.section-title{font-size:16px;font-weight:800;margin:22px 0 8px;display:flex;align-items:center;gap:8px}.card{padding:18px;margin:14px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:999px;padding:13px 20px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;min-height:48px;line-height:1.1;box-shadow:0 8px 18px rgba(105,96,240,.24);transition:transform .08s ease,background .15s ease,box-shadow .15s ease,opacity .15s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.btn:active{transform:translateY(1px) scale(.99)}.btn:disabled,.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none}.btn-gray{color:var(--ink)}.btn-green{background:var(--green);color:#fff}.btn-green-ghost{background:var(--green-soft);color:var(--green-ink)}.btn-sm{padding:9px 14px;min-height:38px;font-size:13.5px;border-radius:999px}.btn.is-success{background:var(--green)}.btn.is-loading{color:transparent!important;position:relative;pointer-events:none}.btn.is-loading:after{content:"";position:absolute;width:18px;height:18px;border:2px solid color-mix(in srgb,var(--on-brand) 35%,transparent);border-top-color:var(--on-brand);border-radius:50%;animation:spin .7s linear infinite}.btn-ghost.is-loading:after,.btn-soft.is-loading:after{border-color:var(--line);border-top-color:var(--brand-ink)}@keyframes spin{to{transform:rotate(1turn)}}.seg{gap:8px}.seg-btn{padding:11px 8px;border-radius:12px;color:var(--muted);font-weight:700;font-size:14px;cursor:pointer;min-height:46px;transition:all .15s ease}.seg-btn.lit-un{box-shadow:0 6px 14px rgba(105,96,240,.24)}.seg-btn.lit-warn{background:var(--warn)}.seg-btn.lit-ok{background:var(--green-ink)}.seg-err{font-size:13px;margin:8px 0 0}.input,.select,textarea{border-radius:12px;padding:12px 14px;font-size:15px;min-height:46px;transition:border-color .15s ease,box-shadow .15s ease}.label{font-size:13px;color:var(--muted);display:block;font-weight:600}.tag{display:inline-flex;align-items:center;gap:4px;font-weight:700;letter-spacing:.02em;padding:4px 10px;border-radius:999px;margin-right:6px}.tag-green{background:var(--green-soft);color:var(--green-ink)}.tag-purple{color:var(--purple)}.tag-orange{background:var(--orange-soft);color:#c2621a}.status-dot{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;font-size:13px;line-height:1;font-weight:700;color:#fff}.status-learned{background:var(--green-ink)}.status-learning{background:var(--warn)}.row{display:flex;align-items:center;justify-content:space-between}.row-top{align-items:flex-start}.muted{color:var(--muted);font-size:13px;line-height:1.5}.en{font-size:16px;line-height:1.55;color:var(--ink)}.cn{font-size:13px;color:var(--muted);line-height:1.5}.divider{height:1px;background:var(--line);margin:14px 0}.list-item{padding:13px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0;padding-bottom:2px}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr)}.stat-box{border:1px solid var(--line);padding:13px}.stat-num{font-size:23px;font-weight:800;letter-spacing:-.02em;line-height:1.1}.stat-label{font-size:12px;color:var(--muted);margin-top:3px}progress{height:9px}.bar,progress{width:100%;border-radius:999px}.bar{height:8px;overflow:hidden}.bar>i{display:block;height:100%;border-radius:999px;transition:width .7s cubic-bezier(.22,1,.36,1)}.bar.green>i{background:var(--green)}.bar.orange>i{background:var(--orange)}.notice{background:var(--warn-soft);color:var(--warn);padding:12px 14px;font-size:13px;margin:12px 0;line-height:1.55;border:1px solid var(--line)}.notice.blue{background:var(--brand-soft);color:var(--brand-ink);border-color:var(--line)}.notice.green{background:var(--green-soft);color:var(--green-ink);border-color:var(--line)}.empty{text-align:center;color:var(--muted);padding:34px 12px;font-size:14px;line-height:1.6}.empty .empty-ic{opacity:.5;margin-bottom:8px}.loading{text-align:center;color:var(--muted);padding:30px 12px;font-size:14px}.error-box{background:var(--danger-soft);color:var(--danger);border:1px solid var(--line);padding:12px 14px;font-size:13px;margin:12px 0}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;background:var(--card);box-shadow:0 -6px 22px rgba(88,104,180,.1);z-index:50}.bottom-nav-inner{width:100%;display:flex}.nav-item{flex:1;text-align:center;padding:9px 2px 7px;text-decoration:none;font-size:11px;flex-direction:column;transition:color .15s ease}.nav-item,.nav-item .nav-ic{display:flex;align-items:center;position:relative}.nav-item .nav-ic{justify-content:center;width:26px;height:26px;transition:transform .15s ease;z-index:1}.nav-item.active{font-weight:800}.nav-item.active:before{top:3px;width:48px;height:30px;border-radius:11px;background:var(--brand-soft)}.hero{margin:20px 0 8px;padding:18px 20px;border-radius:var(--r-lg);color:#fff;background:var(--brand-grad);box-shadow:var(--sh)}.hero .hero-hi{font-size:12px;color:rgba(255,255,255,.9);font-weight:700;letter-spacing:.04em}.hero .hero-date{font-size:12px;color:rgba(255,255,255,.82);margin-top:2px}.hero .hero-title{font-size:clamp(25px,7vw,32px);font-weight:800;margin:10px 0 12px;letter-spacing:-.02em}.hero .hero-streak{display:inline-flex;align-items:center;gap:6px;color:#fff;padding:6px 12px;font-weight:700;font-size:13px;background:rgba(255,255,255,.2);border-radius:999px}.today-card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:18px;margin:14px 0;box-shadow:var(--sh)}.today-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.today-cell{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:13px}.today-cell .k{font-size:12px;color:var(--muted);font-weight:600}.today-cell .v{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-top:4px}.today-cell .v small{font-size:13px;font-weight:700;color:var(--muted)}.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mode-card{display:block;text-decoration:none;color:inherit;padding:16px;background:var(--card);transition:transform .12s ease,box-shadow .15s ease}.mode-card:active{transform:translateY(1px)}.mode-ic{width:46px;height:46px;border-radius:var(--r-icon);display:flex;align-items:center;justify-content:center;margin-bottom:12px;color:#fff;box-shadow:0 6px 14px rgba(88,104,180,.18)}.mode-card .mt{font-size:15px;font-weight:800}.mode-card .ms{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.45}.mode-blue .mode-ic{background:linear-gradient(135deg,#8f8dff,#5b63f5)}.mode-purple .mode-ic{background:linear-gradient(135deg,#bd8bff,#8a5be8)}.mode-green .mode-ic{background:linear-gradient(135deg,#7ce0a8,#35bd7c)}.mode-orange .mode-ic{background:linear-gradient(135deg,#ffc46b,#ff9522)}.mode-cyan .mode-ic{background:linear-gradient(135deg,#66d2ee,#1fa5cd)}.mode-rose .mode-ic{background:linear-gradient(135deg,#ff8fb4,#ec3d78)}.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.wday{text-align:center}.wday .wk{font-size:10px;color:var(--muted);font-weight:700}.wday .wn{margin:4px auto 0;width:30px;height:34px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;background:var(--surface);color:var(--muted);position:relative}.wday.has .wn{background:var(--brand-soft);color:var(--brand-ink)}.wday.today .wn{background:var(--brand-grad);color:#fff;box-shadow:0 6px 14px rgba(105,96,240,.28)}.wday .dot{position:absolute;bottom:3px;width:4px;height:4px;border-radius:50%;background:var(--brand)}.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.tile{gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:13px}.tile,.tile .tic{display:flex;align-items:center}.tile .tic{width:38px;height:38px;border-radius:12px;justify-content:center;background:var(--brand-soft);color:var(--brand);flex:0 0 auto}.tile .tn{font-size:20px;font-weight:800;line-height:1.1;letter-spacing:-.02em}.audit-hint,.tile .tl{font-size:12px;color:var(--muted)}.audit-hint{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:7px 12px;margin:10px 0}.audit-hint a{color:var(--brand-ink);font-weight:700;text-decoration:none}.set-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;transition:background .15s ease}.set-row:last-child{border-bottom:0}.set-row:active,.set-row:hover{background:var(--surface)}.set-ic{width:42px;height:42px;border-radius:13px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;transition:transform .12s ease}.set-ic svg{width:22px;height:22px;stroke-width:2}.set-row:active .set-ic{transform:scale(.94)}.set-ic.tone-blue{background:var(--blue-soft);color:var(--blue)}.set-ic.tone-purple{color:var(--purple)}.set-ic.tone-green{background:var(--green-soft);color:var(--green-ink)}.set-ic.tone-orange{background:var(--orange-soft);color:#d4820f}.set-ic.tone-gold{background:var(--surface);color:var(--warn)}.set-row .st{flex:1;min-width:0}.set-row .st .st-t{display:block;font-size:15px;font-weight:700}.set-row .st .st-d{display:block;font-size:12px;color:var(--muted);margin-top:2px}.set-row .st-arrow{color:var(--muted)}.search-wrap{position:relative}.search-ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.search-wrap .input{padding-left:38px}.course-row{display:flex;align-items:center;gap:12px;padding:15px 16px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;transition:background .12s ease}.course-row:last-child{border-bottom:0}.course-row:active{background:var(--surface)}.course-main{flex:1;min-width:0}.course-title{font-size:15px;font-weight:700;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-arrow{color:var(--muted);flex:0 0 auto}.sentence-row{padding:14px 0;border-bottom:1px solid var(--line)}.sentence-row:last-child{border-bottom:0}.sentence-actions{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}.sentence-meta{font-size:12px;color:var(--muted)}.fav-btn{width:38px;min-width:38px;padding:0;color:var(--rose);border-color:var(--line)}.fav-btn:hover{border-color:var(--rose)}.fav-btn.is-fav{background:var(--rose-soft);border-color:var(--line)}.fav-tabs{margin:0 0 14px}.fav-tabs button{font-size:14px;padding:11px 4px}.fav-group{padding:0;overflow:hidden}.fav-group-head{width:100%;display:flex;align-items:center;gap:12px;padding:14px 16px;border:0;background:transparent;cursor:pointer;text-align:left}.fav-group-head:active{background:var(--bg)}.fav-group-ic{width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--rose-soft);color:var(--rose-ink)}.fav-group-t{flex:1;min-width:0;display:flex;flex-direction:column}.fav-group-title{display:block;font-size:15px;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fav-group-sub{display:block;font-size:12px;color:var(--muted);margin-top:3px}.fav-chevron{flex:0 0 auto;color:var(--muted);transition:transform .15s ease}.fav-chevron.up{transform:rotate(180deg)}.fav-group-body{padding:0 16px 16px;border-top:1px solid var(--line)}.fav-line{padding:12px 0;border-bottom:1px solid var(--line)}.fav-line:last-of-type{border-bottom:0}.toast{display:flex;align-items:center;gap:10px;padding:12px 14px;font-size:13.5px;font-weight:600;margin:12px 0}.toast.ok{background:var(--green-soft);color:var(--green-ink)}@keyframes pop{0%{transform:scale(.96);opacity:.4}to{transform:scale(1);opacity:1}}.pop{animation:pop .22s ease both}@keyframes fade{0%{opacity:0}to{opacity:1}}.fade{animation:fade .25s ease both}.shimmer{background:linear-gradient(90deg,var(--surface) 25%,var(--card) 37%,var(--surface) 63%);background-size:400% 100%;animation:shimmer 1.3s ease infinite}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@media (min-width:640px){.app-shell{padding-left:28px;padding-right:28px}}.onb-mask{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;padding:18px;overflow-y:auto}.onb-card{width:100%;max-width:440px;background:var(--card);display:flex;flex-direction:column;max-height:90vh;overflow:hidden}.onb-body{flex:1 1 auto;min-height:0;overflow-y:auto;padding:22px 20px 14px}.onb-badge{display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand-ink);font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px}.onb-title{font-size:21px;font-weight:800;margin:12px 0 6px}.onb-sub{font-size:13.5px;color:var(--muted);line-height:1.6;margin:0 0 10px}.onb-row{display:block;padding:11px 0;border-top:1px solid var(--line)}.onb-row:first-of-type{border-top:0}.onb-row-main{min-width:0}.onb-row-t{font-weight:700;font-size:14px}.onb-row-d{font-size:12px;color:var(--muted);margin-top:3px}.onb-seg{display:flex;gap:3px;margin-top:8px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:4px}.onb-seg button{flex:1;min-width:0;border:0;background:transparent;color:var(--muted);font-size:12px;font-weight:700;padding:8px 2px;border-radius:calc(var(--r-sm) - 3px);cursor:pointer;white-space:nowrap}.onb-seg button.on{background:var(--brand);color:#fff}.onb-seg button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}.onb-learn{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:12px;color:var(--muted)}.onb-learn-hint{flex:0 0 100%;line-height:1.5}.onb-mode-hint{font-size:12px;color:var(--muted);margin-top:7px;line-height:1.5}.onb-num{width:78px;flex:0 0 auto;text-align:center;border:1.5px solid var(--line);border-radius:var(--r-sm);padding:9px 6px;font-size:15px;font-weight:700;color:var(--ink);background:var(--card);outline:none}.onb-num:focus{border-color:var(--brand)}.onb-note{background:var(--brand-soft);color:var(--brand-ink);border-radius:var(--r-md);padding:10px 12px;font-size:12px;line-height:1.6;margin:10px 0 0}.onb-actions{flex:0 0 auto;display:flex;flex-direction:column;gap:6px;padding:12px 20px 16px;margin-top:0;border-top:1px solid var(--line);background:var(--card)}.onb-skip{background:none;border:0;color:var(--muted);font-size:13px;cursor:pointer;padding:8px;text-decoration:underline}.fb-textarea{min-height:132px}.fb-count{text-align:right;font-size:12px;color:var(--muted);margin-top:6px}.fb-item{padding:14px 0;border-top:1px solid var(--line)}.fb-item:first-child{border-top:0}.fb-item-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.fb-item-time{font-size:12px;color:var(--muted)}.fb-item-body{white-space:pre-wrap;word-break:break-word;font-size:14px}.fb-item-body,.fb-item-meta{line-height:1.6;margin-top:8px}.fb-item-meta{font-size:12px;color:var(--muted);word-break:break-all}.ed{padding-top:2px}.ed-masthead{padding:26px 0 0;border-bottom:3px double var(--ink)}.ed-kicker{font-size:10px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}.ed-title{font-family:var(--font-display);font-size:clamp(38px,11vw,52px);font-weight:600;line-height:1.08;letter-spacing:-.035em;margin:14px 0 12px;color:var(--ink)}.ed-dateline{display:flex;flex-wrap:wrap;align-items:baseline;gap:9px;font-size:12px;color:var(--muted);letter-spacing:.02em;padding-bottom:16px}.ed-dateline strong{color:var(--ink-2);font-weight:600}.ed-notice{border-left:2px solid var(--warn);padding:6px 0 6px 12px;margin:18px 0 0;font-size:12.5px;line-height:1.7;color:var(--ink-2)}.ed-notice strong{color:var(--ink)}.ed-notice a{color:var(--accent);font-weight:600;margin-left:4px;text-decoration:underline;text-underline-offset:3px}.ed-section{padding:30px 0 0}.ed-section-head{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:16px}.ed-num{font-family:var(--font-num);font-size:12px;color:var(--accent);letter-spacing:.06em;flex:0 0 auto}.ed-h{font-family:var(--font-display);font-size:20px;font-weight:600;letter-spacing:-.01em;margin:0;flex:1}.ed-note{font-size:11.5px;color:var(--muted);flex:0 0 auto}.ed-note a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:1px}.ed-figure{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.ed-figure-main{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.ed-figure-label{flex:0 0 100%;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.ed-figure-num{font-family:var(--font-num);font-size:clamp(64px,20vw,92px);line-height:.9;font-weight:400;letter-spacing:-.04em;color:var(--ink);font-variant-numeric:lining-nums tabular-nums}.ed-figure-unit{font-family:var(--font-display);font-size:18px;color:var(--muted)}.ed-figure-side{text-align:right;font-size:12px;color:var(--muted);line-height:1.95;padding-bottom:4px;flex:0 0 auto}.ed-figure-side strong{font-family:var(--font-num);font-size:17px;color:var(--ink);font-weight:400}.ed-cta{display:flex;align-items:center;justify-content:space-between;margin-top:22px;padding:14px 16px;background:var(--brand);color:var(--on-brand);text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.02em;border-radius:var(--r-md);transition:opacity .18s ease}.ed-cta:hover{opacity:.86}.ed-cta:active{opacity:.72}.ed-cta:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ed-cta svg{flex:0 0 auto}.ed-progress{height:3px;overflow:hidden}.ed-progress>i{display:block;height:100%;background:var(--accent);transition:width .7s cubic-bezier(.22,1,.36,1)}.ed-progress-meta{font-size:11.5px;color:var(--muted);line-height:1.6;margin:10px 0 0}.ed-booklist{list-style:none;margin:14px 0 0;padding:0}.ed-booklist li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line-soft);font-size:12.5px}.ed-book-name{color:var(--ink-2);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ed-book-val{color:var(--muted);flex:0 0 auto;font-variant-numeric:tabular-nums}.ed-week{display:grid;grid-template-columns:repeat(7,1fr)}.ed-day{text-align:center;padding:4px 0 8px;border-right:1px solid var(--line-soft)}.ed-day:last-child{border-right:0}.ed-dow{font-size:10px;color:var(--muted);letter-spacing:.06em}.ed-dnum{font-family:var(--font-num);font-size:20px;color:var(--ink-2);margin-top:6px;font-variant-numeric:tabular-nums}.ed-day.today .ed-dnum{color:var(--accent)}.ed-dash{display:block;width:12px;height:2px;margin:8px auto 0;background:transparent}.ed-day.has .ed-dash{background:var(--ink-2)}.ed-day.today .ed-dash{background:var(--accent)}.ed-stats{display:grid;grid-template-columns:repeat(2,1fr);-moz-column-gap:22px;column-gap:22px}.ed-stat{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:10px 0;border-top:1px solid var(--line-soft)}.ed-sl{font-size:12px;color:var(--muted)}.ed-sn{font-family:var(--font-num);font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums}.ed-footer{margin:42px 0 8px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);letter-spacing:.04em}.audit-hint,.fav-group-ic,.mode-ic,.set-ic,.tile .tic,.wday .wn{border-radius:var(--r-icon)}.btn-sm,.hero .hero-streak,.onb-badge{border-radius:999px}.wm-card{margin-top:12px}.wm-card-h{font-family:var(--font-display);font-size:16px;font-weight:600;display:flex;align-items:baseline;gap:8px;margin-bottom:12px}.wm-hint{font-size:11px;color:var(--muted);font-weight:500}.wm-modes .seg-btn,.wm-seg5 .seg-btn{padding-left:4px;padding-right:4px;font-size:13px}.wm-custom{display:flex;align-items:center;gap:8px;margin-top:12px}.wm-input{flex:1;min-width:0;width:0;text-align:center}.wm-tilde{color:var(--muted);flex:0 0 auto}.wm-summary{font-size:12px;color:var(--muted);line-height:1.7;margin:12px 0 0}.wm-now{margin-top:12px}.wm-meta{gap:6px;font-size:12px;color:var(--muted);flex-wrap:wrap}.wm-meta,.wm-stage-row{display:flex;align-items:center}.wm-stage-row{justify-content:space-between;gap:10px;margin:14px 0 12px}.wm-pill{font-size:12px;font-weight:700;letter-spacing:.02em;padding:5px 11px;border-radius:999px;background:var(--brand-grad);color:#fff}.wm-pill.is-cn{background:var(--accent-soft);color:var(--accent)}.wm-count{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}.wm-en{font-size:clamp(20px,5.6vw,25px);line-height:1.4;color:var(--ink);font-weight:800;letter-spacing:-.01em}.wm-cn{font-size:14px;line-height:1.7;color:var(--muted);margin-top:10px;padding:9px 12px;border-radius:var(--r-md);background:var(--surface);transition:background .2s ease,color .2s ease}.wm-cn.is-on{background:var(--accent-soft);color:var(--accent);font-weight:600}.wm-progress{margin-top:18px}.wm-progress-meta{font-size:11.5px;color:var(--muted);line-height:1.7;margin-top:9px}.wm-notice{margin-top:12px;padding:9px 12px;font-size:12px;line-height:1.6;background:var(--surface);color:var(--ink-2);border-left:2px solid var(--accent);border-radius:var(--r-md)}.wm-main{margin-bottom:12px}.wm-ctrl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.wm-label{color:var(--muted);font-weight:600;margin:16px 0 7px}.wm-label,.wm-rates .seg-btn,.wm-seg4 .seg-btn,.wm-seg5 .seg-btn{font-size:13px}.wm-reset{margin-top:10px}.wm-note{font-size:11.5px;color:var(--muted);line-height:1.75;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line-soft)}@media (max-width:380px){.bottom-nav .nav-item{font-size:10px;padding-left:0;padding-right:0}}.home{padding:20px 0 0}.home-hero{position:relative;min-height:146px;padding:4px 2px 12px;overflow:hidden}.home-hero-copy{position:relative;z-index:2}.home-brand{font-family:var(--font-display);font-size:clamp(28px,7.6vw,34px);font-weight:700;line-height:1.04;letter-spacing:-.025em;color:var(--ink);margin:0}.home-tagline{font-family:var(--font-hand);font-style:italic;font-size:15px;line-height:1.3;color:var(--ink-2);margin:9px 0 0}.home-hero-art{position:absolute;right:-10px;top:-12px;width:172px;height:140px;z-index:1;pointer-events:none}.home-hero-art svg{width:100%;height:100%;display:block}.home-hero-foot{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;font-size:11.5px;color:var(--muted)}.home-hero-foot b{color:var(--ink-2);font-weight:700}.home-hero-foot .sep{opacity:.5}.home-notice{display:flex;align-items:center;gap:8px;margin:10px 0 0;padding:11px 14px;border-radius:var(--r-md);background:var(--card);color:var(--ink-2);font-size:12px;line-height:1.5;box-shadow:var(--sh)}.home-notice strong{color:var(--ink)}.home-notice a{color:var(--brand-ink);font-weight:800;margin-left:auto;white-space:nowrap;text-decoration:none}.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.home-tile{position:relative;display:block;min-height:128px;background:var(--card);border-radius:var(--r-lg);padding:14px 14px 15px;box-shadow:var(--sh);text-decoration:none;color:inherit;transition:transform .12s ease,box-shadow .15s ease;-webkit-tap-highlight-color:transparent}.home-tile:active{transform:translateY(2px)}.home-tile-ic{width:44px;height:44px;border-radius:var(--r-icon);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:11px;box-shadow:0 6px 14px rgba(88,104,180,.2)}.home-tile-ic svg{width:23px;height:23px;stroke-width:2.2}.home-tile.tone-walkman .home-tile-ic{background:linear-gradient(135deg,#8f8dff,#5b63f5)}.home-tile.tone-challenge .home-tile-ic{background:linear-gradient(135deg,#ffc970,#ff9522)}.home-tile.tone-dictation .home-tile-ic{background:linear-gradient(135deg,#bd8bff,#8a5be8)}.home-tile.tone-speaking .home-tile-ic{background:linear-gradient(135deg,#7ce0a8,#35bd7c)}.home-tile.tone-review .home-tile-ic{background:linear-gradient(135deg,#66d2ee,#1fa5cd)}.home-tile.tone-favorites .home-tile-ic{background:linear-gradient(135deg,#ff8fb4,#ec3d78)}.home-badge{position:absolute;top:13px;right:12px;background:linear-gradient(100deg,#ffb23d,#ff8a2b);color:#fff;font-size:10px;font-weight:800;letter-spacing:.06em;padding:3px 9px;border-radius:999px}.home-tile-t{display:block;font-size:15px;font-weight:800;color:var(--ink)}.home-tile-s{display:block;font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.4;padding-right:14px}.home-tile-arrow{position:absolute;right:12px;bottom:15px;color:var(--muted);display:flex}.home-grid>.home-tile:last-child:nth-child(odd){grid-column:1/-1;min-height:84px;display:grid;grid-template-columns:44px minmax(0,1fr) 16px;grid-template-areas:"ic t arrow" "ic s arrow";align-content:center;align-items:center;-moz-column-gap:12px;column-gap:12px;padding:14px 16px}.home-grid>.home-tile:last-child:nth-child(odd) .home-tile-ic{grid-area:ic;margin-bottom:0}.home-grid>.home-tile:last-child:nth-child(odd) .home-tile-t{grid-area:t;align-self:end}.home-grid>.home-tile:last-child:nth-child(odd) .home-tile-s{grid-area:s;align-self:start;margin-top:2px;padding-right:0}.home-grid>.home-tile:last-child:nth-child(odd) .home-tile-arrow{grid-area:arrow;position:static}.home-blue{margin-top:14px;border-radius:var(--r-lg);padding:16px 18px 18px;background:linear-gradient(110deg,#7189fd,#88a6fc);color:#fff;box-shadow:0 10px 24px rgba(90,120,240,.26)}.home-blue-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700}.home-blue-head svg{opacity:.9}.home-blue-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:15px}.home-blue-cell{text-align:center;border-right:1px solid rgba(255,255,255,.28)}.home-blue-cell:last-child{border-right:0}.home-blue-num{font-size:25px;font-weight:800;line-height:1.1;letter-spacing:-.02em}.home-blue-num small{font-size:12px;font-weight:700;margin-left:1px}.home-blue-label{font-size:11px;opacity:.88;margin-top:4px}.home-panel{margin-top:14px;background:var(--card);border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--sh)}.home-panel-h{font-size:15px;font-weight:800;margin:0 0 13px;gap:7px}.home-panel-h,.home-task{display:flex;align-items:center}.home-task{gap:10px}.home-task-check{width:24px;height:24px;border-radius:50%;flex:0 0 auto;background:var(--surface);color:var(--muted);display:flex;align-items:center;justify-content:center}.home-task-check.done{background:var(--green);color:#fff}.home-task-t{flex:1;min-width:0;font-size:12.5px;font-weight:700;color:var(--ink-2)}.home-task-bar{flex:0 0 34%;height:8px;background:var(--surface);border-radius:999px;overflow:hidden}.home-task-bar>i{display:block;height:100%;background:var(--brand-grad);border-radius:999px;transition:width .7s cubic-bezier(.22,1,.36,1)}.home-task-v{flex:0 0 auto;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}.home-resume{gap:12px;margin-top:12px;padding:11px 13px;border-radius:var(--r-md);background:var(--surface);text-decoration:none;color:inherit}.home-resume,.home-resume-ic{display:flex;align-items:center}.home-resume-ic{width:38px;height:38px;border-radius:50%;flex:0 0 auto;background:var(--brand-soft);color:var(--brand-ink);justify-content:center}.home-resume-t{flex:1;min-width:0;font-size:13px;font-weight:800;color:var(--ink)}.home-resume-t small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}.home-resume-play{width:38px;height:38px;border-radius:50%;flex:0 0 auto;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(105,96,240,.3)}.home-cta{margin-top:16px}.home-foot{text-align:center;font-size:11px;color:var(--muted);margin:24px 0 6px}@media (max-width:360px){.home-tile{padding:12px;min-height:122px}.home-tile-t{font-size:14px}.home-hero-art{width:140px}}body{font-size:var(--fs-body);line-height:1.55;letter-spacing:.005em;background:var(--bg)}.app-shell{overflow-x:hidden}h1,h2,h3{color:var(--ink)}.page-title{font-size:var(--fs-title);font-weight:740;letter-spacing:-.025em;line-height:1.25;margin:22px 0 4px}.display-title,.page-title.disp{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em}.page-sub{font-size:13px;color:var(--muted);margin:0 0 18px;line-height:1.6}.section-title{font-size:14.5px;font-weight:700;margin:20px 0 10px;gap:7px;color:var(--ink-2);letter-spacing:.01em}.section-title svg{color:var(--brand);flex:0 0 auto}.kicker{display:block;font-size:10px;font-weight:750;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-ink);opacity:.8;margin-bottom:4px}.card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:16px;margin:var(--gap) 0;box-shadow:var(--sh)}.card.tight{padding:14px}.card.flush{padding:0;overflow:hidden}.btn{border-radius:12px;padding:11px 18px;min-height:var(--btn-h);font-size:14.5px;font-weight:650;letter-spacing:.005em;background:var(--brand-grad);color:var(--on-brand);box-shadow:0 4px 12px rgba(96,92,220,.18);transition:transform .12s ease,box-shadow .18s ease,opacity .18s ease,background .18s ease}.btn:hover{box-shadow:0 6px 16px rgba(96,92,220,.24)}.btn:active{transform:translateY(1px)}.btn:disabled,.btn[aria-disabled=true]{opacity:.48;box-shadow:none}.btn-ghost{background:var(--card);color:var(--brand-ink);border-color:var(--line);box-shadow:none}.btn-ghost:hover{border-color:var(--brand)}.btn-ghost:hover,.btn-soft{background:var(--brand-soft);box-shadow:none}.btn-soft{color:var(--brand-ink)}.btn-gray{background:var(--surface);color:var(--ink-2);box-shadow:none}.btn-green{background:var(--mint)}.btn-green-ghost{background:var(--mint-soft);color:var(--mint-ink);box-shadow:none}.btn-sm{padding:8px 13px;min-height:40px;font-size:13px;border-radius:10px}.btn-block{width:100%}.btn.is-success{background:var(--mint);box-shadow:none}.btn.is-error{background:var(--danger);box-shadow:none}.seg{display:flex;gap:6px}.seg-btn{flex:1;min-width:0;padding:9px 6px;min-height:var(--tap);border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink-2);font-weight:600;font-size:13px;transition:background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease}.seg-btn:active{transform:translateY(1px)}.seg-btn.lit-un{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 3px 10px rgba(96,92,220,.2)}.seg-btn.lit-warn{background:var(--amber)}.seg-btn.lit-ok,.seg-btn.lit-warn{color:#fff;border-color:transparent;box-shadow:none}.seg-btn.lit-ok{background:var(--mint-ink)}.seg-err{color:var(--danger)}.input,.select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:16px;line-height:1.4;background:var(--card);color:var(--ink);min-height:var(--tap);transition:border-color .16s ease,box-shadow .16s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none}.select{padding-right:34px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.input:focus,.select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}textarea{line-height:1.55;resize:vertical}.label{font-size:12.5px;color:var(--ink-2);font-weight:650;margin:12px 0 6px}[tabindex]:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.tag{font-size:11px;font-weight:650;letter-spacing:.01em;padding:4px 9px;border-radius:8px;background:var(--brand-soft);color:var(--brand-ink)}.tag-gray{background:var(--surface);color:var(--muted)}.tag-warn{background:var(--warn-soft);color:var(--warn)}.tag-green{background:var(--mint-soft);color:var(--mint-ink)}.tag-purple{background:var(--purple-soft);color:var(--purple-ink)}.tag-orange{background:var(--amber-soft);color:var(--amber-ink)}.status-dot{width:22px;height:22px;font-size:12px}.status-learned{background:var(--mint)}.status-learning{background:var(--amber)}.status-unlearned{background:var(--line);color:var(--muted)}.row{gap:10px}.muted{font-size:var(--fs-sub)}.en{font-size:15px;line-height:1.5}.cn{font-size:var(--fs-sub);margin-top:3px}.divider{background:var(--line-soft);margin:12px 0}.list-item{padding:12px 0;border-bottom:1px solid var(--line-soft)}.stat-grid{gap:10px}.stat-box{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-md);padding:12px}.stat-num{font-size:22px;font-weight:720;font-family:var(--font-num);font-variant-numeric:tabular-nums}.stat-label{font-size:11.5px}progress{height:6px;accent-color:var(--brand)}.bar{height:6px;background:var(--surface)}.bar>i{background:var(--brand-grad)}.bar.green>i{background:var(--mint)}.bar.purple>i{background:var(--purple)}.bar.orange>i{background:var(--amber)}.notice{background:var(--brand-soft);color:var(--ink-2);border:1px solid var(--line-soft);border-radius:var(--r-md);padding:11px 13px;font-size:12.5px;line-height:1.65}.notice.blue{background:var(--sky-soft);color:var(--sky-ink)}.notice.green{background:var(--mint-soft);color:var(--mint-ink)}.empty,.loading{font-size:13.5px}.error-box,.toast{border-radius:var(--r-md)}.toast{font-size:13px}.toast.ok{background:var(--mint-soft);color:var(--mint-ink)}.toast.err{background:var(--danger-soft);color:var(--danger)}.toast.info{background:var(--brand-soft);color:var(--brand-ink)}.bottom-nav{height:calc(var(--nav-h) + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--card) 94%,transparent);border-top:1px solid var(--line-soft);box-shadow:0 -2px 14px rgba(43,62,120,.06);padding-bottom:env(safe-area-inset-bottom);backdrop-filter:saturate(150%) blur(14px)}.bottom-nav-inner{height:var(--nav-h);max-width:480px}.nav-item{padding:6px 2px 4px;min-height:var(--nav-h);font-size:10.5px;font-weight:600;gap:3px;justify-content:center;color:var(--muted);transition:color .16s ease}.nav-item .nav-ic{width:24px;height:24px}.nav-item .nav-ic svg{width:var(--ic);height:var(--ic);stroke-width:1.9}.nav-item.active{color:var(--brand-ink);font-weight:750}.nav-item.active .nav-ic{transform:none}.nav-item.active:before{content:"";position:absolute;bottom:3px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--brand)}@media (max-width:380px){.bottom-nav .nav-item{font-size:10px}}.modes{gap:10px}.mode-card{border-radius:var(--r-lg);padding:14px;border:1px solid var(--line-soft);box-shadow:var(--sh);min-height:104px;transition:transform .12s ease,box-shadow .18s ease,border-color .18s ease}.mode-card:hover{border-color:var(--line)}.mode-ic{width:36px;height:36px;border-radius:10px;margin-bottom:10px;background:var(--brand-soft);color:var(--brand-ink);box-shadow:none}.mode-ic svg{width:19px;height:19px;stroke-width:1.9}.mode-blue .mode-ic{background:var(--sky-soft);color:var(--sky-ink)}.mode-purple .mode-ic{background:var(--purple-soft);color:var(--purple-ink)}.mode-green .mode-ic{background:var(--mint-soft);color:var(--mint-ink)}.mode-orange .mode-ic{background:var(--amber-soft);color:var(--amber-ink)}.mode-cyan .mode-ic{background:var(--cyan-soft);color:var(--cyan-ink)}.mode-rose .mode-ic{background:var(--rose-soft);color:var(--rose-ink)}.mode-card .mt{font-size:14px;font-weight:700}.mode-card .ms{font-size:11.5px}.set-list{display:flex;flex-direction:column}.set-row{gap:12px;padding:12px 14px;min-height:60px;border-bottom:1px solid var(--line-soft)}.set-ic{width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand-ink)}.set-ic svg{width:18px;height:18px;stroke-width:1.9}.set-ic.tone-blue{background:var(--sky-soft);color:var(--sky-ink)}.set-ic.tone-purple{background:var(--purple-soft);color:var(--purple-ink)}.set-ic.tone-green{background:var(--mint-soft);color:var(--mint-ink)}.set-ic.tone-orange{background:var(--amber-soft);color:var(--amber-ink)}.set-ic.tone-cyan{background:var(--cyan-soft);color:var(--cyan-ink)}.set-ic.tone-rose{background:var(--rose-soft);color:var(--rose-ink)}.set-ic.tone-gold{background:var(--amber-soft);color:var(--amber-ink)}.set-row .st .st-t{font-size:14px;font-weight:650}.set-row .st .st-d{font-size:11.5px;line-height:1.45}.set-row .st-arrow{width:16px;height:16px;opacity:.65}.search-wrap .input{padding-left:36px;border-radius:10px;background:var(--surface)}.search-ic{left:12px;width:15px;height:15px}.course-row{gap:11px;padding:12px 14px;min-height:60px;border-bottom:1px solid var(--line-soft)}.course-title{font-size:14px;font-weight:650}.course-arrow{width:16px;height:16px;opacity:.65}.sentence-row{padding:12px 0;border-bottom:1px solid var(--line-soft)}.fav-btn{width:var(--tap);min-width:var(--tap)}.fav-group-head{padding:12px 14px}.fav-group-ic{width:34px;height:34px;border-radius:10px}.fav-group-body{padding:0 14px 14px}.fav-tabs button{min-height:var(--tap)}.fb-textarea{min-height:128px}.fb-item{border-top:1px solid var(--line-soft)}.onb-mask{background:rgba(24,32,56,.48);padding:16px;backdrop-filter:blur(3px)}.onb-card{border-radius:var(--r-lg);box-shadow:var(--sh-lg);max-height:calc(100dvh - 32px)}.onb-title{font-size:20px;font-weight:700}.onb-seg{border-radius:10px}.onb-actions{padding:12px 16px calc(14px + env(safe-area-inset-bottom))}@media (max-height:560px){.onb-mask{align-items:flex-start;padding-top:max(12px,env(safe-area-inset-top))}.onb-card{max-height:none}}.ed-progress{height:5px;border-radius:999px;background:var(--surface)}.ed-progress>i{background:var(--brand)}.dash{padding:18px 0 0}.dash-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.dash-hi{font-family:var(--font-display);font-size:clamp(26px,7.4vw,32px);font-weight:700;line-height:1.14;letter-spacing:-.025em;margin:0;color:var(--ink)}.dash-hi-sub{font-size:12.5px;color:var(--muted);margin:7px 0 0;line-height:1.5}.dash-date{text-align:right;flex:0 0 auto;padding-top:3px;font-size:12px;color:var(--muted)}.dash-date b{display:block;font-size:14px;font-weight:700;color:var(--ink-2);font-variant-numeric:tabular-nums}.dash-goal{border-radius:var(--r-lg);padding:16px 18px 17px;color:#fff;background:linear-gradient(112deg,#7587ec,#8fb2f2);box-shadow:0 6px 18px rgba(88,116,214,.18);margin-bottom:var(--gap)}.dash-goal-t{font-size:12px;font-weight:700;letter-spacing:.02em;opacity:.95}.dash-goal-grid{display:grid;grid-template-columns:1fr 1fr 62px;align-items:center;gap:8px;margin-top:13px}.dash-goal-num{font-family:var(--font-num);font-size:27px;font-weight:720;line-height:1;font-variant-numeric:tabular-nums}.dash-goal-num small{font-size:11.5px;font-weight:600;margin-left:2px;opacity:.9}.dash-goal-lb{font-size:10.5px;opacity:.9;margin-top:5px}.dash-ring{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#fff var(--p,0),rgba(255,255,255,.25) 0);position:relative;justify-self:end}.dash-ring:before{content:"";position:absolute;inset:5px;border-radius:50%;background:linear-gradient(112deg,#7587ec,#8fb2f2)}.dash-ring span{position:relative;z-index:1;font-size:12.5px;font-weight:720;font-variant-numeric:tabular-nums}.dash-goal-bar{height:5px;border-radius:999px;background:rgba(255,255,255,.26);margin-top:14px;overflow:hidden}.dash-goal-bar>i{display:block;height:100%;background:#fff;border-radius:999px;transition:width .7s cubic-bezier(.22,1,.36,1)}.dash-goal-foot{font-size:11px;opacity:.92;margin-top:9px;letter-spacing:.01em}.dash-cta{margin:0 0 var(--gap)}.dash-cta .btn{width:100%}.dash-card{margin:0 0 var(--gap);padding:15px 16px}.dash-card-h{justify-content:space-between;gap:10px;margin-bottom:12px}.dash-card-h,.dash-card-t{display:flex;align-items:center}.dash-card-t{font-size:14px;font-weight:700;color:var(--ink);gap:7px}.dash-card-t svg{color:var(--brand)}.dash-card-x{font-size:11.5px;color:var(--muted)}.dash-card-x a{color:var(--brand-ink);font-weight:650;text-decoration:none}.dash-quote{padding:14px 16px}.dash-quote-mark{color:var(--brand-soft);width:22px;height:22px}.dash-quote-en{font-family:var(--font-display);font-size:18px;line-height:1.45;color:var(--ink);margin:4px 0 6px;word-break:break-word}.dash-quote-cn{font-size:12.5px;color:var(--muted);line-height:1.55}.dash-quote-foot{margin-top:11px;padding-top:10px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:8px}.dash-quote-foot a{color:var(--brand-ink);font-size:12px;font-weight:650;text-decoration:none;display:inline-flex;align-items:center;gap:4px}.dash-task{display:flex;align-items:center;gap:10px}.dash-task-ic{width:30px;height:30px;border-radius:9px;flex:0 0 auto;display:grid;place-items:center;background:var(--mint-soft);color:var(--mint-ink)}.dash-task-ic.pending{background:var(--brand-soft);color:var(--brand-ink)}.dash-task-body{flex:1;min-width:0}.dash-task-t{font-size:13px;font-weight:650;color:var(--ink)}.dash-task-s{font-size:11.5px;color:var(--muted);margin-top:2px}.dash-task-bar{width:100%;height:5px;background:var(--surface);border-radius:999px;margin-top:8px;overflow:hidden}.dash-task-bar>i{display:block;height:100%;background:var(--brand-grad);border-radius:999px;transition:width .7s cubic-bezier(.22,1,.36,1)}.dash-task-v{flex:0 0 auto;font-size:12px;font-weight:700;color:var(--ink-2);font-variant-numeric:tabular-nums}.dash-streak{display:flex;align-items:baseline;gap:8px;margin-bottom:12px}.dash-streak-num{font-family:var(--font-num);font-size:30px;font-weight:720;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}.dash-streak-unit{font-size:12.5px;color:var(--muted)}.dash-week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;align-items:end}.dash-day{text-align:center}.dash-day-lb{font-size:10px;color:var(--muted)}.dash-day-bar{height:34px;display:flex;align-items:flex-end;justify-content:center;margin:5px 0 4px}.dash-day-bar>i{display:block;width:13px;border-radius:4px 4px 2px 2px;background:var(--brand-soft);min-height:4px}.dash-day.has>i{background:var(--brand-grad)}.dash-day.today>i{box-shadow:0 0 0 2px var(--card),0 0 0 3px var(--brand)}.dash-day-n{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}.dash-day.today .dash-day-lb{color:var(--brand-ink);font-weight:700}.dash-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.dash-stat{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-md);padding:11px 12px}.dash-stat-n{font-family:var(--font-num);font-size:20px;font-weight:720;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums}.dash-stat-n small{font-weight:600;margin-left:2px}.dash-stat-l,.dash-stat-n small{font-size:11px;color:var(--muted)}.dash-stat-l{margin-top:4px}.dash-stat-line{margin-top:11px}.dash-quick{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 var(--gap)}.dash-quick a{display:inline-flex;align-items:center;gap:5px;min-height:42px;padding:8px 12px;border-radius:12px;text-decoration:none;background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh);color:var(--ink-2);font-size:11.5px;font-weight:650;transition:border-color .16s ease,color .16s ease,transform .12s ease}.dash-quick a:active{transform:translateY(1px)}.dash-quick a:hover{border-color:var(--brand);color:var(--brand-ink)}.dash-quick a svg{width:14px;height:14px;stroke-width:1.9}.dash-notice{display:flex;align-items:center;gap:8px;margin:0 0 var(--gap);padding:10px 13px;border-radius:var(--r-md);background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh);font-size:12px;line-height:1.5;color:var(--ink-2)}.dash-notice a{color:var(--brand-ink);font-weight:700;margin-left:auto;white-space:nowrap;text-decoration:none}.dash-resume{display:flex;align-items:center;gap:11px;margin:0 0 var(--gap);padding:11px 13px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh);text-decoration:none;color:inherit}.dash-resume-ic{width:34px;height:34px;border-radius:10px;flex:0 0 auto;display:grid;place-items:center;background:var(--sky-soft);color:var(--sky-ink)}.dash-resume-t{flex:1;min-width:0;font-size:13px;font-weight:650}.dash-resume-t small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}.dash-resume-play{width:32px;height:32px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;background:var(--brand-grad);color:#fff}.dash-foot{text-align:center;font-size:11px;color:var(--muted);margin:18px 0 6px;line-height:1.6}.course-filter{padding:13px 14px}.course-filter-row{display:flex;gap:8px;margin-top:9px}.course-filter-row .select{flex:1;min-width:0;font-size:14px}.course-chips{display:flex;gap:6px;margin:11px 0 0}.course-chips button{flex:1;min-width:0;min-height:34px;padding:6px 3px;border:1px solid var(--line-soft);border-radius:999px;background:var(--surface);color:var(--ink-2);font-size:11.5px;font-weight:650;cursor:pointer;transition:background .16s ease,color .16s ease,border-color .16s ease}.course-chips button.on{background:var(--brand-grad);color:#fff;border-color:transparent}.course-book{display:flex;align-items:center;gap:12px;padding:12px 14px;margin:0 0 var(--gap);background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg)}.course-book-cover{width:42px;height:54px;flex:0 0 auto;border-radius:7px;background:linear-gradient(135deg,#8ea3ee,#b9a5ea);display:grid;place-items:center;color:#fff;box-shadow:0 3px 8px rgba(88,104,180,.16)}.course-book-cover svg{width:20px;height:20px;stroke-width:1.8}.course-book-t{font-size:14px;font-weight:700;color:var(--ink)}.course-book-s{font-size:11.5px;color:var(--muted);margin-top:3px}.course-book-n{margin-left:auto;flex:0 0 auto;text-align:right}.course-book-n b{display:block;font-size:19px;font-weight:720;color:var(--brand-ink);font-variant-numeric:tabular-nums}.course-book-n span{font-size:10.5px;color:var(--muted)}.course-list{margin:0 0 var(--gap)}.course-line{display:flex;align-items:center;gap:11px;min-height:58px;padding:10px 14px;border-bottom:1px solid var(--line-soft);text-decoration:none;color:inherit;transition:background .14s ease}.course-line:last-child{border-bottom:0}.course-line:active{background:var(--surface)}.course-line-main{flex:1;min-width:0}.course-line-t{font-size:13.5px;font-weight:650;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-line-s{font-size:11px;color:var(--muted);margin-top:3px;display:flex;align-items:center;gap:6px}.course-state{font-weight:650}.course-state.learned{color:var(--mint-ink)}.course-state.learning{color:var(--amber-ink)}.course-state.unlearned{color:var(--muted)}.course-line-arrow{flex:0 0 auto;color:var(--muted);opacity:.6}.course-progress-card{padding:14px 16px}.course-progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.course-progress-head b{font-family:var(--font-num);font-size:22px;font-weight:720;color:var(--brand-ink);font-variant-numeric:tabular-nums}.course-progress-bar{margin-top:10px;height:7px;background:var(--surface);border-radius:999px;overflow:hidden}.course-progress-bar>i{display:block;height:100%;background:var(--brand-grad);border-radius:999px}.course-progress-foot{font-size:11.5px;color:var(--muted);margin-top:8px}.prac-hero{position:relative;overflow:hidden;margin:0 0 var(--gap);border-radius:var(--r-lg);padding:18px;background:linear-gradient(112deg,var(--brand-soft) 0,var(--blue-soft) 100%);border:1px solid var(--line-soft)}.prac-hero:after{content:"";position:absolute;right:-70px;top:-100px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(123,98,239,.075) 0,rgba(123,98,239,0) 70%);pointer-events:none}.prac-hero-ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--card);color:var(--brand-ink);box-shadow:var(--sh)}.prac-hero-t{font-size:19px;font-weight:720;color:var(--ink);margin:12px 0 4px}.prac-hero-s{font-size:12px;color:var(--ink-2);line-height:1.5}.prac-hero .btn{margin-top:14px;min-height:44px;font-size:13.5px;padding:10px 18px;position:relative;z-index:1}.prac-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 var(--gap)}.prac-tile{display:flex;flex-direction:column;align-items:flex-start;gap:0;min-height:108px;padding:13px 14px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh);text-decoration:none;color:inherit;transition:transform .12s ease,border-color .16s ease,box-shadow .16s ease}.prac-tile:active{transform:translateY(1px)}.prac-tile:hover{border-color:var(--line)}.prac-tile-ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;margin-bottom:10px;background:var(--brand-soft);color:var(--brand-ink)}.prac-tile-ic svg{width:19px;height:19px;stroke-width:1.9}.prac-tile.tone-blue .prac-tile-ic{background:var(--sky-soft);color:var(--sky-ink)}.prac-tile.tone-purple .prac-tile-ic{background:var(--purple-soft);color:var(--purple-ink)}.prac-tile.tone-mint .prac-tile-ic{background:var(--mint-soft);color:var(--mint-ink)}.prac-tile.tone-amber .prac-tile-ic{background:var(--amber-soft);color:var(--amber-ink)}.prac-tile.tone-cyan .prac-tile-ic{background:var(--cyan-soft);color:var(--cyan-ink)}.prac-tile.tone-rose .prac-tile-ic{background:var(--rose-soft);color:var(--rose-ink)}.prac-tile-t{font-size:13.5px;font-weight:700;color:var(--ink)}.prac-tile-s{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.4}.prac-tile-arrow{align-self:flex-end;margin-top:auto;color:var(--muted);opacity:.6}.prac-note{min-height:108px;padding:13px 14px;border-radius:var(--r-lg);background:var(--surface);border:1px dashed var(--line);display:flex;flex-direction:column;justify-content:center}.prac-note-t{font-size:12px;font-weight:700;color:var(--ink-2)}.prac-note-s{font-size:11px;color:var(--muted);line-height:1.5;margin-top:5px}.prac-modes{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.prac-modes span{font-size:10px;font-weight:650;color:var(--brand-ink);background:var(--brand-soft);border-radius:6px;padding:3px 7px}.prac-section{padding:14px 16px}.prac-illu{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:148px;margin:0 0 var(--gap);padding:18px 12px 18px 20px;border-radius:var(--r-lg);border:1px solid var(--line-soft);background:linear-gradient(112deg,var(--brand-soft) 0,var(--blue-soft) 100%)}.prac-illu:after{content:"";position:absolute;right:-70px;top:-100px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(123,98,239,.075) 0,rgba(123,98,239,0) 70%);pointer-events:none}.prac-illu-txt{position:relative;z-index:1;min-width:0}.prac-illu-kicker{display:block;font-size:10px;font-weight:800;letter-spacing:.14em;color:var(--brand-ink);opacity:.85}.prac-illu-title{margin:9px 0 7px;font-size:clamp(19px,5.4vw,23px);font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink)}.prac-illu-sub{margin:0;font-size:11.5px;line-height:1.55;color:var(--ink-2)}.prac-illu-art{position:relative;z-index:1;flex:0 0 auto;width:clamp(134px,43vw,186px);height:auto;display:block}.prac-hint{margin:-6px 0 var(--gap);font-size:11.5px;line-height:1.6;color:var(--muted)}@media (max-width:380px){.prac-illu{padding:16px 8px 16px 16px;min-height:136px}.prac-illu-art{width:126px}.prac-illu-title{font-size:18px}}.player{padding:16px 0 0}.player-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.player-head-btn{width:36px;height:36px;border-radius:10px;flex:0 0 auto;display:grid;place-items:center;text-decoration:none;background:var(--card);border:1px solid var(--line-soft);color:var(--ink-2);box-shadow:var(--sh)}.player-head-btn svg{width:18px;height:18px;stroke-width:1.9}.player-title{font-size:16px;font-weight:700;color:var(--ink);margin:0;letter-spacing:.01em}.player-track{text-align:center;margin:0 auto 14px;max-width:330px;background:var(--brand-soft);border-radius:var(--r-md);padding:9px 12px;color:var(--brand-ink)}.player-track-t{font-size:12.5px;font-weight:650}.player-track-s{font-size:11px;opacity:.78;margin-top:2px;font-variant-numeric:tabular-nums}.player-stage{padding:20px 18px 18px;margin:0 0 var(--gap);text-align:center}.player-pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:650;padding:4px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink)}.player-pill.is-cn{background:var(--mint-soft);color:var(--mint-ink)}.player-en{font-family:var(--font-display);font-size:clamp(21px,5.8vw,27px);line-height:1.42;font-weight:600;letter-spacing:-.01em;color:var(--ink);margin:20px 0 10px;word-break:break-word}.player-cn{font-size:13.5px;line-height:1.65;color:var(--muted);margin:0;padding:8px 12px;border-radius:var(--r-md);background:var(--surface);transition:background .2s ease,color .2s ease}.player-cn.is-on{background:var(--mint-soft);color:var(--mint-ink);font-weight:600}.player-progress{margin-top:22px}.player-progress .ed-progress{height:6px}.player-progress-meta{display:flex;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);margin-top:8px;font-variant-numeric:tabular-nums}.player-notice{margin-top:12px;padding:9px 12px;border-radius:var(--r-md);background:var(--brand-soft);color:var(--brand-ink);font-size:11.5px;line-height:1.55;text-align:left}.player-set-row.stack{flex-direction:column;align-items:stretch;gap:8px}.player-set-row.stack .player-seg{justify-content:flex-start;flex-wrap:nowrap}.player-set-row.stack .player-seg button{flex:1;min-width:0}.player-controls{padding:16px 14px 14px;margin:0 0 var(--gap)}.player-rates{display:flex;justify-content:center;gap:5px;margin-bottom:16px}.player-rates button{min-width:52px;min-height:32px;padding:5px 9px;border-radius:999px;border:1px solid var(--line-soft);background:var(--surface);color:var(--ink-2);font-size:11.5px;font-weight:650;cursor:pointer;font-variant-numeric:tabular-nums;transition:background .16s ease,color .16s ease}.player-rates button.on{background:var(--brand-grad);color:#fff;border-color:transparent}.player-transport{display:flex;align-items:center;justify-content:center;gap:12px}.player-mini{width:40px;height:40px;min-width:40px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;border:1px solid var(--line-soft);background:var(--surface);color:var(--ink-2);cursor:pointer;transition:background .16s ease,color .16s ease}.player-mini:active{background:var(--brand-soft);color:var(--brand-ink)}.player-mini svg{width:17px;height:17px;stroke-width:1.9}.player-play{width:64px;height:64px;min-width:64px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;border:0;cursor:pointer;background:var(--brand-grad);color:#fff;box-shadow:0 8px 22px rgba(96,92,220,.28);transition:transform .12s ease,box-shadow .18s ease}.player-play:active{transform:scale(.96)}.player-play svg{width:26px;height:26px;stroke-width:2}.player-status{text-align:center;font-size:11.5px;color:var(--muted);margin-top:12px}.player-settings{padding:0 0 var(--gap);scroll-margin-top:16px}.player-set-head{display:flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:var(--ink);padding:14px 16px 10px}.player-set-head svg{color:var(--brand)}.player-set-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 16px;border-top:1px solid var(--line-soft)}.player-set-row:first-of-type{border-top:0}.player-set-k{font-size:12.5px;font-weight:650;color:var(--ink-2);flex:0 0 auto}.player-set-v{font-size:11.5px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}.player-seg{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}.player-seg button{min-width:34px;min-height:32px;padding:5px 8px;border-radius:8px;border:1px solid var(--line-soft);background:var(--surface);color:var(--ink-2);font-size:11.5px;font-weight:650;cursor:pointer;font-variant-numeric:tabular-nums}.player-seg button.on{background:var(--brand-grad);color:#fff;border-color:transparent}.player-custom{display:flex;align-items:center;gap:7px;padding:10px 16px 12px;border-top:1px solid var(--line-soft)}.player-custom .input{flex:1;min-width:0;width:0;text-align:center;font-size:15px;padding:8px;min-height:38px}.player-custom span{color:var(--muted);font-size:12px}.player-custom .btn{min-height:38px;padding:7px 13px;font-size:12.5px}.player-toggle{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:11px 16px;border:0;border-top:1px solid var(--line-soft);background:transparent;text-align:left;cursor:pointer;min-height:var(--tap)}.player-toggle span:first-child{font-size:12.5px;font-weight:650;color:var(--ink-2)}.player-toggle span:last-child{font-size:11.5px;color:var(--brand-ink)}.player-note{padding:12px 16px 2px;font-size:11px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line-soft)}.player-reset{margin:0 16px;width:calc(100% - 32px)}.player-head-btn.on{background:var(--brand-soft);color:var(--brand-ink);border-color:transparent}.player-pop-mask{position:fixed;inset:0;z-index:60;background:rgba(18,24,48,.4);animation:popmask .15s ease}.player-pop{position:fixed;z-index:61;top:calc(env(safe-area-inset-top, 0px) + 56px);right:max(18px,calc((100vw - 480px) / 2 + 18px));width:min(380px,calc(100vw - 36px));max-height:calc(100dvh - 72px - var(--nav-h) - env(safe-area-inset-bottom, 0px));overflow-y:auto;-webkit-overflow-scrolling:touch;padding:12px 0 6px;box-shadow:var(--sh-lg);animation:popdown .18s ease}.player-pop-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:2px 16px 12px;border-bottom:1px solid var(--line-soft);margin-bottom:4px}.player-pop-head span{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--ink)}.player-pop-head svg{color:var(--brand)}.player-pop-x{width:30px;height:30px;border-radius:50%;border:0;cursor:pointer;flex:0 0 auto;background:var(--surface);color:var(--ink-2);font-size:17px;line-height:1;display:grid;place-items:center;transition:background .16s ease,color .16s ease}.player-pop-x:active{background:var(--brand-soft);color:var(--brand-ink)}@keyframes popmask{0%{opacity:0}to{opacity:1}}@keyframes popdown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.menu-brand{display:flex;align-items:center;gap:11px;position:relative;overflow:hidden;padding:13px 14px;margin:0 0 16px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh)}.menu-brand:after{content:"";position:absolute;right:-70px;top:-80px;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle,rgba(155,129,232,.07) 0,rgba(85,166,242,0) 72%);pointer-events:none}.menu-brand-logo{width:38px;height:38px;flex:0 0 auto;border-radius:11px;background:var(--brand-grad);color:#fff;display:grid;place-items:center}.menu-brand-logo svg{width:20px;height:20px;stroke-width:2}.menu-brand-t{font-family:var(--font-display);font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.2}.menu-brand-s{font-size:10.5px;color:var(--muted);margin-top:3px;letter-spacing:.02em}.menu-group{margin:0 0 14px}.menu-group-t{font-size:10.5px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 7px 3px}.menu-group .card{margin:0}.menu-foot{text-align:center;font-size:10.5px;color:var(--muted);margin:18px 0 6px}@media (min-width:640px){.app-shell{padding-left:26px;padding-right:26px}.bottom-nav-inner{max-width:480px}}@media (max-width:360px){.dash-goal-grid{grid-template-columns:1fr 1fr 54px}.dash-ring{width:52px;height:52px}.player-transport{gap:8px}.player-mini{width:34px;height:34px;min-width:34px}.player-play{width:58px;height:58px;min-width:58px}.prac-grid{gap:8px}}@media (max-height:620px){.dash{padding-top:10px}.dash-head,.player-head{margin-bottom:10px}.player-stage{padding-top:14px;padding-bottom:14px}.player-en{margin:14px 0 8px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.auth-page{min-height:100vh;padding:clamp(24px,6vw,64px) 16px 100px;display:flex;align-items:flex-start;justify-content:center;background:var(--bg-grad)}.auth-card{width:100%;max-width:420px;padding:28px 24px 24px;border-radius:20px;box-shadow:0 10px 34px rgba(56,70,120,.1)}.auth-brand{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-ink);font-weight:700}.auth-title{margin:10px 0 6px;font-size:24px;line-height:1.3;font-weight:700;color:var(--ink)}.auth-sub{margin:0 0 22px;font-size:13px;line-height:1.6;color:var(--muted)}.auth-form{display:grid;gap:14px}.auth-field{display:grid;gap:7px;font-size:13px;color:var(--ink-2);font-weight:600}.auth-field input{width:100%;height:44px;padding:0 13px;font-size:15px;font-weight:400;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:11px;outline:none}.auth-field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.auth-submit{margin-top:6px;height:44px}.auth-err{margin:0;padding:9px 12px;border-radius:9px;font-size:13px;color:#b23b53;background:#fdeef1}.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:20px;font-size:13px}.auth-links a{color:var(--brand-ink);text-decoration:none}.auth-links a:hover{text-decoration:underline}.auth-foot{margin:18px 0 0;font-size:12px;line-height:1.6;color:var(--muted)}.auth-done{padding:8px 0 4px}.auth-done-t{font-size:18px;font-weight:700;color:var(--mint-ink);margin-bottom:8px}.auth-done p{font-size:13px;line-height:1.7;color:var(--ink-2);margin:0 0 16px}.auth-done .auth-submit{display:flex;align-items:center;justify-content:center;text-decoration:none}.auth-guest-bar{position:relative;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 14px;font-size:12px;line-height:1.5;color:var(--amber-ink);background:var(--amber-soft);border-bottom:1px solid var(--line)}.auth-guest-txt{flex:1;min-width:0}.auth-guest-actions{display:flex;align-items:center;gap:12px;white-space:nowrap}.auth-guest-actions a{color:var(--brand-ink);text-decoration:none;font-weight:700}.auth-guest-actions button{border:0;background:transparent;color:var(--amber-ink);font-size:18px;line-height:1;cursor:pointer;padding:0 2px}.auth-account{margin:0 0 14px}.auth-account-h{display:flex;align-items:center;gap:10px;margin-bottom:10px}.auth-avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-ink)}.auth-account-t,.auth-avatar{font-weight:700;font-size:15px}.auth-account-t{color:var(--ink)}.auth-account-s{font-size:12px;color:var(--muted);margin-top:2px}.auth-account-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.auth-account-actions a,.auth-account-actions button{font-size:13px;padding:7px 13px;border-radius:9px;text-decoration:none;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);cursor:pointer}.auth-account-actions a:hover,.auth-account-actions button:hover{border-color:var(--brand);color:var(--brand-ink)}.admin-page{max-width:980px}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.admin-title{font-size:22px;font-weight:700;color:var(--ink);margin:0}.admin-sub{font-size:13px;color:var(--muted);margin:4px 0 0}.admin-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.admin-toolbar input,.admin-toolbar select{height:38px;padding:0 11px;font-size:14px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:9px;outline:none}.admin-toolbar input{flex:1;min-width:160px}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table td,.admin-table th{padding:10px 8px;text-align:left;border-bottom:1px solid var(--line-soft)}.admin-table th{color:var(--muted);font-weight:600;font-size:12px}.admin-table td{color:var(--ink-2)}.admin-pill{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.admin-pill.active{color:var(--mint-ink);background:var(--mint-soft)}.admin-pill.pending{color:var(--amber-ink);background:var(--amber-soft)}.admin-pill.deleted,.admin-pill.disabled{color:var(--muted);background:var(--surface)}.admin-row-actions{display:flex;gap:6px;flex-wrap:wrap}.admin-row-actions button{font-size:12px;padding:5px 9px;border-radius:8px;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--ink-2)}.admin-row-actions button:hover{border-color:var(--brand);color:var(--brand-ink)}.admin-config{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}.admin-empty{padding:24px 0;text-align:center;color:var(--muted);font-size:13px}.admin-detail{margin-top:12px;padding:12px;border-radius:10px;background:var(--surface);font-size:13px;color:var(--ink-2)}@media (max-width:640px){.auth-guest-bar{flex-wrap:wrap}.admin-table thead{display:none}.admin-table,.admin-table tbody,.admin-table td,.admin-table tr{display:block;width:100%}.admin-table tbody tr{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:10px;background:var(--card)}.admin-table tbody tr:last-child{margin-bottom:0}.admin-table td{border:0;padding:4px 0;display:flex;align-items:center;gap:8px;min-height:26px;white-space:normal}.admin-table td:before{content:attr(data-label);flex:0 0 66px;color:var(--muted);font-size:11px;font-weight:600}.admin-table td[data-label="操作"]{align-items:flex-start}.admin-row-actions{gap:6px}.admin-row-actions button{font-size:12px}}.course-groups{margin:0 0 var(--gap)}.course-group-tip{margin:0 0 8px 3px;font-size:11px;line-height:1.5;color:var(--muted)}.course-group{margin:0 0 10px}.course-group-head{font:inherit;width:100%;min-height:52px;padding:10px 13px;display:flex;align-items:center;gap:10px;text-align:left;border:1px solid var(--line-soft);border-radius:var(--r-lg);background:var(--card);color:var(--ink);box-shadow:var(--sh);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:border-radius .16s ease,background .16s ease}.course-group-head:active{background:var(--surface)}.course-group.is-open .course-group-head{border-bottom:0;border-radius:var(--r-lg) var(--r-lg) 0 0;box-shadow:none}.course-group-ic{width:32px;height:32px;flex:0 0 auto;border-radius:9px;background:var(--brand-soft);color:var(--brand-ink);display:grid;place-items:center}.course-group-t{flex:1;min-width:0;font-size:13.5px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-group-n{flex:0 0 auto;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.course-group-chev{flex:0 0 auto;color:var(--muted);transition:transform .18s ease}.course-group.is-open .course-group-chev{transform:rotate(180deg)}.course-group.is-open .course-list{margin:0;border-top:0;border-radius:0 0 var(--r-lg) var(--r-lg);box-shadow:var(--sh)}.prac-illu-lead{margin-top:22px}.menu-brand-foot{margin:16px 0 0}.menu-appearance{padding:12px 14px;margin:10px 0 14px}.menu-appearance .menu-group-t{margin-bottom:7px}.menu-appearance .seg{display:flex;gap:6px}.menu-appearance .seg-btn{min-height:36px;padding:7px 6px;font-size:12.5px;border-radius:9px}.course-filter{margin-top:22px}