@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/fraunces-vietnamese-400-normal-CvGt0Ybw.woff2) format("woff2"),url(/assets/fraunces-vietnamese-400-normal-B65MOf9T.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/fraunces-latin-ext-400-normal-D8gbi3Gu.woff2) format("woff2"),url(/assets/fraunces-latin-ext-400-normal-UihxqfOe.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/fraunces-latin-400-normal-6IfK1voy.woff2) format("woff2"),url(/assets/fraunces-latin-400-normal-NUPT2cO8.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/fraunces-vietnamese-600-normal-BjlAJixd.woff2) format("woff2"),url(/assets/fraunces-vietnamese-600-normal-DlAl5EAR.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/fraunces-latin-ext-600-normal-BtzmzP0X.woff2) format("woff2"),url(/assets/fraunces-latin-ext-600-normal-B0Dy4lqi.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/fraunces-latin-600-normal-BFCDtZfi.woff2) format("woff2"),url(/assets/fraunces-latin-600-normal-DL5QCzvS.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/fraunces-vietnamese-700-normal-DH94m5DZ.woff2) format("woff2"),url(/assets/fraunces-vietnamese-700-normal-DxawQjq2.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/fraunces-latin-ext-700-normal-CanUGppC.woff2) format("woff2"),url(/assets/fraunces-latin-ext-700-normal-DuBstVeD.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/fraunces-latin-700-normal-CEOla-zY.woff2) format("woff2"),url(/assets/fraunces-latin-700-normal-DTjk5d1Q.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-cyrillic-ext-400-normal-BQZuk6qB.woff2) format("woff2"),url(/assets/inter-cyrillic-ext-400-normal-DQukG94-.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-cyrillic-400-normal-obahsSVq.woff2) format("woff2"),url(/assets/inter-cyrillic-400-normal-HOLc17fK.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-greek-ext-400-normal-DGGRlc-M.woff2) format("woff2"),url(/assets/inter-greek-ext-400-normal-KugGGMne.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-greek-400-normal-B4URO6DV.woff2) format("woff2"),url(/assets/inter-greek-400-normal-q2sYcFCs.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-vietnamese-400-normal-DMkecbls.woff2) format("woff2"),url(/assets/inter-vietnamese-400-normal-Bbgyi5SW.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-ext-400-normal-C1nco2VV.woff2) format("woff2"),url(/assets/inter-latin-ext-400-normal-77YHD8bZ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-400-normal-C38fXH4l.woff2) format("woff2"),url(/assets/inter-latin-400-normal-CyCys3Eg.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-cyrillic-ext-500-normal-B0yAr1jD.woff2) format("woff2"),url(/assets/inter-cyrillic-ext-500-normal-BmqWE9Dz.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-cyrillic-500-normal-BasfLYem.woff2) format("woff2"),url(/assets/inter-cyrillic-500-normal-CxZf_p3X.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-greek-ext-500-normal-C4iEst2y.woff2) format("woff2"),url(/assets/inter-greek-ext-500-normal-2j5mBUwD.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-greek-500-normal-BIZE56-Y.woff2) format("woff2"),url(/assets/inter-greek-500-normal-Xzm54t5V.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-vietnamese-500-normal-DOriooB6.woff2) format("woff2"),url(/assets/inter-vietnamese-500-normal-mJboJaSs.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-latin-ext-500-normal-CV4jyFjo.woff2) format("woff2"),url(/assets/inter-latin-ext-500-normal-BxGbmqWO.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-latin-500-normal-Cerq10X2.woff2) format("woff2"),url(/assets/inter-latin-500-normal-BL9OpVg8.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-cyrillic-ext-600-normal-Dfes3d0z.woff2) format("woff2"),url(/assets/inter-cyrillic-ext-600-normal-Bcila6Z-.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-cyrillic-600-normal-CWCymEST.woff2) format("woff2"),url(/assets/inter-cyrillic-600-normal-4D_pXhcN.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-greek-ext-600-normal-DRtmH8MT.woff2) format("woff2"),url(/assets/inter-greek-ext-600-normal-B8X0CLgF.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-greek-600-normal-plRanbMR.woff2) format("woff2"),url(/assets/inter-greek-600-normal-BZpKdvQh.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-vietnamese-600-normal-Cc8MFFhd.woff2) format("woff2"),url(/assets/inter-vietnamese-600-normal-BuLX-rYi.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-latin-ext-600-normal-D2bJ5OIk.woff2) format("woff2"),url(/assets/inter-latin-ext-600-normal-CIVaiw4L.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-latin-600-normal-LgqL8muc.woff2) format("woff2"),url(/assets/inter-latin-600-normal-CiBQ2DWP.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--paper: #fbf6ee;--paper-2: #fffdf8;--ink: #2b2722;--red: #cf3b2e;--red-soft: #fbe9e6;--blue: #2c6e9b;--blue-soft: #e8f0f6;--green: #2e9e6b;--green-soft: #e7f5ee;--gold: #e0a94b;--line: #e4dccb;--soft: #f1e9d8;--muted: #8a8170;--shadow: 0 2px 0 rgba(43, 39, 34, .05), 0 18px 38px -22px rgba(43, 39, 34, .4);--radius: 18px;--maxw: 820px;--serif: "Fraunces", Georgia, serif;--sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--hanzi: "Kaiti SC", "STKaiti", "Kaiti TC", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--sans);color:var(--ink);background-color:var(--paper);background-image:radial-gradient(circle at 50% 0,#fff 0,transparent 60%),repeating-linear-gradient(0deg,transparent 0 27px,var(--line) 27px 28px);background-attachment:fixed;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#root{min-height:100vh}.app{max-width:var(--maxw);margin:0 auto;padding:clamp(14px,3vw,30px) clamp(12px,4vw,26px) 90px}.topbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.home-link{font-family:var(--sans);font-size:13px;color:var(--muted);text-decoration:none;margin-right:4px}.home-link:hover{color:var(--blue)}.brand{font-family:var(--serif);font-weight:700;font-size:clamp(20px,3.4vw,27px);display:flex;align-items:baseline;gap:10px;cursor:pointer;background:none;border:0;padding:0;color:var(--ink)}.brand .zh{font-family:var(--hanzi);color:var(--red)}.brand .tag{font-family:var(--sans);font-size:12px;font-weight:600;color:var(--blue);border:1px solid var(--line);border-radius:999px;padding:2px 9px;background:var(--paper-2)}.spacer{flex:1}.crumbs{font-family:var(--sans);font-size:13px;color:var(--muted)}.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(16px,3vw,28px)}.card+.card{margin-top:16px}.section{margin-bottom:22px}h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.15}h1{font-size:clamp(26px,5vw,38px);margin:0 0 6px}h2{font-size:clamp(20px,3.5vw,26px);margin:0 0 4px}h3{font-size:17px;margin:0 0 10px}.lead{color:#5b5448;font-size:16px;margin:0 0 20px;max-width:60ch}.field-label{font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 12px}.note{font-size:13.5px;color:var(--muted)}.muted{color:var(--muted)}.hr{border:0;border-top:1px solid var(--line);margin:20px 0}.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.right{margin-left:auto}.center{text-align:center}.btn{font-family:var(--sans);font-weight:600;font-size:15px;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:13px;padding:12px 22px;cursor:pointer;min-height:46px;transition:transform .05s,box-shadow .15s,background .15s}.btn:hover{box-shadow:0 8px 20px -10px #2b272299}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.45;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--ink)}.btn.ghost:hover{background:var(--soft)}.btn.red{background:var(--red);border-color:var(--red)}.btn.blue{background:var(--blue);border-color:var(--blue)}.btn.green{background:var(--green);border-color:var(--green)}.btn.lg{font-size:16px;padding:15px 28px;min-height:52px}.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.grid-choices{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.option-card{border:2px solid var(--line);background:var(--paper-2);border-radius:15px;padding:16px 18px;cursor:pointer;transition:all .12s;text-align:left;display:flex;flex-direction:column;gap:4px;min-height:64px}.option-card:hover{border-color:#cdbfa3}.option-card.on{border-color:var(--red);background:var(--red-soft);box-shadow:inset 0 0 0 1px var(--red)}.option-card .t{font-family:var(--serif);font-weight:600;font-size:17px}.option-card .d{font-size:13px;color:var(--muted)}.seg{display:inline-flex;border:2px solid var(--line);border-radius:999px;padding:3px;background:var(--paper-2);gap:2px}.seg button{border:0;background:transparent;cursor:pointer;font-family:var(--sans);font-weight:600;font-size:14px;color:var(--muted);padding:8px 16px;border-radius:999px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.seg button.on{background:var(--red);color:#fff}.hanzi-big{font-family:var(--hanzi);line-height:1}.char-hero{display:flex;flex-direction:column;align-items:center;gap:10px}.pinyin{font-family:var(--sans);font-weight:600;color:var(--blue);font-size:clamp(20px,4vw,26px)}.gloss{font-size:clamp(15px,2.6vw,18px);color:var(--ink);text-align:center}.gloss .en{color:var(--muted);font-size:.9em}.radical-line{font-size:13px;color:var(--muted)}.radical-line .hz{font-family:var(--hanzi);color:var(--ink)}.audio-btn{border:2px solid var(--blue);background:var(--blue-soft);color:var(--blue);border-radius:999px;width:48px;height:48px;cursor:pointer;font-size:20px;display:inline-flex;align-items:center;justify-content:center}.audio-btn:active{transform:scale(.94)}.audio-btn.lg{width:60px;height:60px;font-size:26px}.writer-stage{display:flex;justify-content:center}.writer-box{background:var(--paper-2);border:2px dashed var(--line);border-radius:16px;position:relative}.writer-grid{position:absolute;inset:0;pointer-events:none}.flash{min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:20px}.srs-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.srs-row .btn{min-width:96px}.match-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}.tile{border:2px solid var(--line);background:var(--paper-2);border-radius:14px;min-height:72px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:600;transition:all .1s;padding:6px;text-align:center}.tile .hz{font-family:var(--hanzi);font-size:30px}.tile.sel{border-color:var(--blue);background:var(--blue-soft)}.tile.matched{border-color:var(--green);background:var(--green-soft);opacity:.55;pointer-events:none}.tile.bad{border-color:var(--red);background:var(--red-soft);animation:shake .3s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.choices{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));margin-top:16px}.choice{border:2px solid var(--line);background:var(--paper-2);border-radius:13px;padding:14px 16px;cursor:pointer;font-family:var(--sans);font-weight:600;font-size:16px;min-height:54px;text-align:center}.choice .hz{font-family:var(--hanzi);font-size:26px}.choice.sel{border-color:var(--blue);background:var(--blue-soft)}.choice.correct{border-color:var(--green);background:var(--green-soft);color:var(--green)}.choice.wrong{border-color:var(--red);background:var(--red-soft);color:var(--red)}.verdict{font-family:var(--serif);font-weight:600;font-size:18px;margin-top:14px;text-align:center}.verdict.ok{color:var(--green)}.verdict.ko{color:var(--red)}.stat-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.stat{border:1px solid var(--line);border-radius:13px;background:var(--paper-2);padding:14px 16px}.stat .v{font-family:var(--serif);font-weight:700;font-size:26px}.stat .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.bar{height:10px;border-radius:999px;background:var(--soft);overflow:hidden;margin-top:8px}.bar>i{display:block;height:100%;background:var(--green);border-radius:999px}.lesson-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.lesson{border:2px solid var(--line);background:var(--paper-2);border-radius:14px;padding:12px 14px;cursor:pointer;text-align:left}.lesson:hover{border-color:#cdbfa3}.lesson.on{border-color:var(--red);background:var(--red-soft)}.lesson .lt{font-weight:700;font-size:14px}.lesson .lc{font-family:var(--hanzi);font-size:18px;color:var(--muted);margin-top:4px;letter-spacing:2px;overflow:hidden;max-height:1.4em}.pill-progress{font-size:12px;color:var(--green);font-weight:700}.footer{margin-top:36px;text-align:center;font-size:12.5px;color:var(--muted)}.footer a{color:var(--blue);text-decoration:none}.section-pick{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.section-pick .option-card{flex:1;min-width:120px;text-align:center}.section-pick .option-card .t{font-size:20px}.story-block{background:var(--soft);border-radius:12px;padding:14px 18px;font-size:14px;color:#5b5448;line-height:1.6;margin-top:10px}.word-big{font-family:var(--hanzi);font-size:56px;line-height:1.2;letter-spacing:6px}@media (max-width: 560px){.crumbs{display:none}.seg{display:flex;width:100%}.seg button{flex:1;padding:8px}.choices{grid-template-columns:1fr 1fr}}