.mask[data-v-ac28c3b6]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#00000073;display:flex;align-items:flex-end;justify-content:center}.panel[data-v-ac28c3b6]{width:100%;max-width:520px;max-height:86dvh;overflow-y:auto;background:var(--surface);border:1px solid var(--line-soft);border-bottom:none;border-radius:22px 22px 0 0;padding:10px 18px calc(18px + var(--safe-b))}.grip[data-v-ac28c3b6]{width:40px;height:4px;border-radius:999px;background:var(--line);margin:2px auto 14px}.steps[data-v-ac28c3b6]{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:10px}.steps li[data-v-ac28c3b6]{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;line-height:1.65;color:var(--text-2);background:var(--surface-2);border:1px solid var(--line-soft);border-radius:12px;padding:11px 13px}.steps .no[data-v-ac28c3b6]{flex:0 0 22px;width:22px;height:22px;border-radius:999px;background:var(--tint-en);border:1px solid var(--en-dim);color:var(--en);font-size:11.5px;font-weight:700;display:grid;place-items:center;margin-top:1px}.steps[data-v-ac28c3b6] b{color:var(--text);font-weight:650}.inl[data-v-ac28c3b6]{width:15px;height:15px;vertical-align:-2.5px;display:inline-block}.note[data-v-ac28c3b6]{margin-top:12px;padding:9px 12px;border-radius:10px;background:var(--tint-yue);border:1px solid var(--yue-dim);line-height:1.6}.sheet-enter-active[data-v-ac28c3b6],.sheet-leave-active[data-v-ac28c3b6]{transition:opacity .24s var(--ease)}.sheet-enter-active .panel[data-v-ac28c3b6],.sheet-leave-active .panel[data-v-ac28c3b6]{transition:transform .3s var(--ease)}.sheet-enter-from[data-v-ac28c3b6],.sheet-leave-to[data-v-ac28c3b6]{opacity:0}.sheet-enter-from .panel[data-v-ac28c3b6],.sheet-leave-to .panel[data-v-ac28c3b6]{transform:translateY(40px)}.shell[data-v-34dbeb54]{min-height:100dvh;display:flex;flex-direction:column}.topbar[data-v-34dbeb54]{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:calc(var(--safe-t) + 10px) 16px 10px;background:var(--overlay);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid var(--line-soft)}.mark[data-v-34dbeb54]{width:34px;height:34px;flex:0 0 34px;border-radius:9px;border:1.5px solid var(--text);display:grid;place-items:center;font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--text);line-height:1;padding-bottom:1px}.app-title[data-v-34dbeb54]{display:block;font-family:var(--font-display);font-size:15px;font-weight:700;letter-spacing:.01em}.block[data-v-34dbeb54]{display:block}.iconbtn[data-v-34dbeb54]{width:36px;height:36px;flex:0 0 36px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--text-2);display:grid;place-items:center;transition:color .16s var(--ease),border-color .16s var(--ease),transform .1s var(--ease)}.iconbtn[data-v-34dbeb54]:active{transform:scale(.93)}.iconbtn svg[data-v-34dbeb54]{width:19px;height:19px}main[data-v-34dbeb54]{flex:1}.tabbar[data-v-34dbeb54]{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;max-width:720px;margin:0 auto;padding-bottom:var(--safe-b);background:var(--overlay);backdrop-filter:blur(18px) saturate(1.2);-webkit-backdrop-filter:blur(18px) saturate(1.2);border-top:1px solid var(--line-soft)}.tab[data-v-34dbeb54]{position:relative;flex:1;min-height:var(--tab-h);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-4);transition:color .16s var(--ease)}.tab.active[data-v-34dbeb54]{color:var(--en)}.tab.active .tab-icon[data-v-34dbeb54]{transform:translateY(-1px)}.tab-icon[data-v-34dbeb54]{width:21px;height:21px;display:block;transition:transform .2s var(--ease)}.tab-icon[data-v-34dbeb54] svg{width:21px;height:21px;display:block}.tab-label[data-v-34dbeb54]{font-size:10.5px;font-weight:600;letter-spacing:.3px}.tab-badge[data-v-34dbeb54]{position:absolute;top:6px;left:50%;margin-left:5px;min-width:16px;height:16px;padding:0 4px;border-radius:999px;background:var(--bad);color:var(--on-accent);font-size:10px;font-weight:700;line-height:16px;text-align:center}:root{--radius: 14px;--radius-sm: 9px;--radius-lg: 20px;--radius-xs: 6px;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;--font-display: "Songti SC", "Source Han Serif SC", "Noto Serif SC", "STSong", Georgia, "Times New Roman", "SimSun", serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px);--tab-h: 60px;--ease: cubic-bezier(.22, 1, .36, 1);--ease-soft: cubic-bezier(.32, .72, .24, 1)}:root,[data-theme=dark]{color-scheme:dark;--bg: #131211;--bg-soft: #181715;--surface: #1e1c19;--surface-2: #262320;--surface-3: #302c27;--line: #3b362f;--line-soft: #292623;--overlay: rgba(19, 18, 17, .85);--text: #f2ece1;--text-2: #bfb7a7;--text-3: #8c8474;--text-4: #66604f;--en: #74b9e8;--en-dim: #2a5670;--tint-en: rgba(116, 185, 232, .14);--tint-en-soft: rgba(116, 185, 232, .07);--yue: #e0a951;--yue-dim: #61431a;--tint-yue: rgba(224, 169, 81, .14);--tint-yue-soft: rgba(224, 169, 81, .07);--cn: #b49ae6;--cn-dim: #3f3164;--tint-cn: rgba(180, 154, 230, .14);--ok: #5ec39a;--ok-dim: #1f4f3c;--tint-ok: rgba(94, 195, 154, .14);--warn: #e0a951;--tint-warn: rgba(224, 169, 81, .14);--bad: #ec8271;--bad-dim: #5c2620;--tint-bad: rgba(236, 130, 113, .14);--gold: #e6c268;--heat-0: #232019;--heat-1: #24503f;--heat-2: #33745a;--heat-3: #47997a;--heat-4: #5ec39a;--on-accent: #15130f;--shadow: 0 12px 34px rgba(0, 0, 0, .52);--shadow-sm: 0 3px 14px rgba(0, 0, 0, .38);--paper: none}[data-theme=light]{color-scheme:light;--bg: #f5f2e9;--bg-soft: #fbf9f4;--surface: #fffefa;--surface-2: #f0ece2;--surface-3: #e5e0d3;--line: #dcd5c5;--line-soft: #eae5da;--overlay: rgba(245, 242, 233, .85);--text: #1d1b16;--text-2: #4b463c;--text-3: #817a6b;--text-4: #a49d8d;--en: #14608f;--en-dim: #bcd4e2;--tint-en: rgba(20, 96, 143, .09);--tint-en-soft: rgba(20, 96, 143, .05);--yue: #96600f;--yue-dim: #e6d1a9;--tint-yue: rgba(150, 96, 15, .09);--tint-yue-soft: rgba(150, 96, 15, .05);--cn: #684a99;--cn-dim: #d5c9eb;--tint-cn: rgba(104, 74, 153, .09);--ok: #2b7752;--ok-dim: #bcdccb;--tint-ok: rgba(43, 119, 82, .09);--warn: #a86c15;--tint-warn: rgba(168, 108, 21, .09);--bad: #b8402f;--bad-dim: #ecd0c9;--tint-bad: rgba(184, 64, 47, .09);--gold: #8f6c10;--heat-0: #eae5da;--heat-1: #c4dfd0;--heat-2: #8ec2a8;--heat-3: #529c78;--heat-4: #2b7752;--on-accent: #fffdf8;--shadow: 0 12px 30px rgba(74, 62, 40, .13);--shadow-sm: 0 2px 9px rgba(74, 62, 40, .07);--paper: repeating-linear-gradient( 0deg, rgba(120, 100, 60, .017) 0px, rgba(120, 100, 60, .017) 1px, transparent 1px, transparent 3px )}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:15px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overscroll-behavior-y:none;transition:background-color .28s var(--ease),color .28s var(--ease)}body{min-height:100vh;min-height:100dvh;background-image:var(--paper)}#app{max-width:720px;margin:0 auto;min-height:100dvh;position:relative;background:var(--bg)}@media(min-width:721px){body{background-image:radial-gradient(1100px 540px at 50% -12%,var(--surface-2) 0%,transparent 62%),var(--paper)}#app{border-left:1px solid var(--line-soft);border-right:1px solid var(--line-soft);box-shadow:var(--shadow)}}button{font-family:inherit;font-size:inherit;color:inherit;border:none;background:none;cursor:pointer;padding:0}input,textarea,select{font-family:inherit;font-size:16px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;width:100%;outline:none;transition:border-color .16s var(--ease)}input:focus,textarea:focus{border-color:var(--en)}::placeholder{color:var(--text-4)}a{color:var(--en);text-decoration:none}h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32}h1,.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-4)}.display-xl{font-family:var(--font-display);font-size:clamp(28px,8.2vw,40px);line-height:1.15;letter-spacing:-.02em}.display-lg{font-family:var(--font-display);font-size:clamp(23px,6.4vw,31px);line-height:1.2;letter-spacing:-.015em}.display-md{font-family:var(--font-display);font-size:clamp(19px,5vw,24px);line-height:1.28}.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}.rule{height:1px;background:var(--line-soft);margin:16px 0}.rule-orn{display:flex;align-items:center;gap:10px;margin:18px 0;color:var(--text-4)}.rule-orn:before,.rule-orn:after{content:"";flex:1;height:1px;background:var(--line-soft)}.rule-orn span{font-size:11px;letter-spacing:.2em;font-weight:700}.seal{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:var(--radius-xs);background:var(--bad);color:var(--on-accent);font-family:var(--font-display);font-size:15px;font-weight:700;line-height:1;box-shadow:inset 0 0 0 1px #ffffff38}.page{padding:16px 16px calc(var(--tab-h) + var(--safe-b) + 32px)}.page-tight{padding:12px 14px calc(var(--tab-h) + var(--safe-b) + 28px)}.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm)}.card+.card{margin-top:12px}.card.flat{box-shadow:none}.card.accent-l{border-left:3px solid var(--en)}.card.plain{background:transparent;border:none;box-shadow:none;padding:0}.row{display:flex;align-items:center;gap:10px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}.row-top{display:flex;align-items:flex-start;gap:10px}.col{display:flex;flex-direction:column;gap:10px}.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.center{text-align:center}.muted{color:var(--text-3)}.dim{color:var(--text-2)}.small{font-size:12.5px}.tiny{font-size:11.5px}.bold{font-weight:700}.semibold{font-weight:600}.nowrap{white-space:nowrap}.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:10px}.divider{height:1px;background:var(--line-soft);margin:14px 0}.empty{text-align:center;color:var(--text-3);padding:40px 16px;font-size:14px}.empty .display-md{color:var(--text-2);margin-bottom:8px}.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;border:1px solid var(--line);color:var(--text-2);background:var(--surface-2);white-space:nowrap}.chip.en{color:var(--en);border-color:var(--en-dim);background:var(--tint-en)}.chip.yue{color:var(--yue);border-color:var(--yue-dim);background:var(--tint-yue)}.chip.cn{color:var(--cn);border-color:var(--cn-dim);background:var(--tint-cn)}.chip.ok{color:var(--ok);border-color:var(--ok-dim);background:var(--tint-ok)}.chip.warn{color:var(--warn);border-color:var(--yue-dim);background:var(--tint-warn)}.chip.bad{color:var(--bad);border-color:var(--bad-dim);background:var(--tint-bad)}.chip.solid{background:var(--text);color:var(--bg);border-color:transparent}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-xs);font-size:11px;font-weight:700;letter-spacing:.04em;background:var(--surface-2);color:var(--text-3);border:1px solid var(--line-soft)}.tag.cet4{color:var(--en);background:var(--tint-en);border-color:transparent}.tag.cet6{color:var(--ok);background:var(--tint-ok);border-color:transparent}.tag.ielts{color:var(--yue);background:var(--tint-yue);border-color:transparent}.tag.toefl,.tag.grammar{color:var(--cn);background:var(--tint-cn);border-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 18px;border-radius:var(--radius-sm);font-weight:650;background:var(--surface-2);border:1px solid var(--line);color:var(--text);transition:transform .09s var(--ease),background .16s var(--ease),border-color .16s var(--ease),opacity .16s var(--ease);-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.975)}.btn:disabled{opacity:.4;pointer-events:none}.btn.primary{background:var(--text);color:var(--bg);border-color:transparent}.btn.accent{background:var(--en);color:var(--on-accent);border-color:transparent}.btn.ok{background:var(--ok);color:var(--on-accent);border-color:transparent}.btn.warn{background:var(--warn);color:var(--on-accent);border-color:transparent}.btn.bad{background:var(--bad);color:var(--on-accent);border-color:transparent}.btn.ghost{background:transparent;border-color:var(--line)}.btn.ghost-b{background:transparent;border-color:transparent;color:var(--text-2)}.btn.block{width:100%}.btn.sm{min-height:34px;padding:0 12px;font-size:13px;border-radius:var(--radius-xs)}.btn.lg{min-height:52px;font-size:16px;border-radius:var(--radius)}.seg{display:flex;gap:4px;padding:4px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--line-soft)}.seg>button{flex:1;min-height:34px;border-radius:var(--radius-xs);font-size:13px;font-weight:600;color:var(--text-3);transition:all .16s var(--ease)}.seg>button.on{background:var(--text);color:var(--bg)}.metric{display:flex;flex-direction:column;gap:2px}.metric b{font-family:var(--font-ui);font-size:22px;font-weight:750;font-variant-numeric:tabular-nums;line-height:1.1}.metric span{font-size:11.5px;color:var(--text-3)}.bar{height:7px;border-radius:999px;background:var(--surface-3);overflow:hidden}.bar>i{display:block;height:100%;border-radius:999px;background:var(--en);transition:width .5s var(--ease)}.bar>i.yue{background:var(--yue)}.bar>i.ok{background:var(--ok)}.bar>i.cn{background:var(--cn)}.item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:13px 14px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line-soft);transition:border-color .16s var(--ease),background .16s var(--ease),transform .09s var(--ease)}.item:active{transform:scale(.99)}.item.tap:hover{border-color:var(--line)}.item .chev{width:18px;height:18px;flex:0 0 18px;color:var(--text-4)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}::-webkit-scrollbar-track{background:transparent}.fade-enter-active,.fade-leave-active{transition:opacity .2s var(--ease)}.fade-enter-from,.fade-leave-to{opacity:0}.pop-enter-active{animation:pop .26s var(--ease)}@keyframes pop{0%{opacity:0;transform:translateY(9px) scale(.992)}to{opacity:1;transform:none}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}.pulsing{animation:pulse 1.1s ease-in-out infinite}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.rise{animation:rise .34s var(--ease) both}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}