:root{--ink:#18221d;--muted:#6b786f;--line:#e5eae5;--bg:#f6f7f4;--white:#fff;--lime:#d9f28d;--dark:#14201a;--shadow:0 10px 35px rgba(33,46,37,.045)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Noto Sans TC","PingFang TC",system-ui,sans-serif;letter-spacing:-.025em}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8db954;outline-offset:3px}::selection{background:var(--lime);color:var(--ink)}
.app-shell{min-height:100svh;display:flex}.sidebar{background:#fcfdfa;width:248px;min-width:248px;position:sticky;top:0;height:100svh;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:30px 20px;z-index:20}
.brand{display:flex;align-items:center;gap:11px;margin:3px 6px 70px}.logo{display:grid;place-items:center;width:40px;height:40px;border-radius:14px;background:#15251b;position:relative}.logo:before{content:"";width:16px;height:20px;border:5px solid var(--lime);border-bottom:0;position:absolute;transform:skewX(-8deg);top:10px;left:11px}.logo span{width:5px;height:5px;border-radius:50%;background:var(--lime);position:absolute;right:7px;bottom:8px}
.brand-name{font-weight:800;letter-spacing:-.06em;font-size:18px;line-height:1}.brand-light{font-weight:400;color:#809086;margin-left:2px}.brand-name small{display:block;font-size:8px;letter-spacing:.15em;margin-top:8px;color:#849188;font-weight:600}
.nav-label{font-size:10px;font-weight:700;letter-spacing:.19em;color:#a0aaa2;margin:0 15px 17px}.nav{display:grid;gap:6px}.nav-item{border:0;background:transparent;width:100%;display:flex;align-items:center;gap:14px;text-align:left;padding:15px 16px;border-radius:13px;color:#708077;font-size:13px;font-weight:600;transition:background .15s,color .15s}.nav-item:hover{background:#eff3eb}.nav-item.active{background:#e7f0db;color:#24402d}.nav-symbol{font-size:19px;font-weight:400;width:19px;text-align:center;line-height:1}
.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding:21px 9px 0;color:#9aa59a;font-size:11px;line-height:1.8}.sidebar-kicker{font-size:9px;font-weight:800;letter-spacing:.15em;color:#9aac9e}.sidebar-bottom p{margin:8px 0}.sidebar-bottom a{color:#445f49;text-decoration:underline;text-underline-offset:3px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:78px;flex:none;display:flex;justify-content:space-between;align-items:center;padding:0 clamp(24px,4.8vw,76px);border-bottom:1px solid #e7eae5;background:rgba(255,255,255,.54)}.topbar-left,.desktop-note{font-size:10px;letter-spacing:.16em;font-weight:800;color:#89978d}.topbar-left{display:flex;align-items:center;gap:10px}.status-dot{display:inline-block;width:7px;height:7px;background:#94bb65;border-radius:50%;box-shadow:0 0 0 4px #eaf2dc}.topbar-right{display:flex;align-items:center;gap:23px}.top-cta{border:0;color:#1b2b20;background:var(--lime);font-size:12px;font-weight:750;border-radius:11px;padding:13px 17px}.top-cta:hover,.btn-primary:hover{filter:brightness(.96)}
.page{width:min(100%,1230px);padding:51px clamp(24px,4.8vw,76px) 75px;margin:0 auto;flex:1}.footer{border-top:1px solid var(--line);padding:20px clamp(24px,4.8vw,76px);display:flex;justify-content:space-between;gap:10px;color:#9aa69c;font-size:10px;letter-spacing:.03em}
.kicker{font-size:11px;color:#7d907e;letter-spacing:.18em;font-weight:850;margin:0 0 11px}.page-title{font-size:clamp(29px,3.5vw,47px);line-height:1.16;letter-spacing:-.07em;margin:0 0 10px;font-weight:760}.page-subtitle{font-size:14px;line-height:1.9;color:#78857a;margin:0 0 28px}.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin:0 0 18px}.section-title h2{font-size:20px;letter-spacing:-.05em;margin:0}.section-title span{font-size:11px;color:#94a397}
.hero{display:flex;position:relative;min-height:290px;overflow:hidden;background:var(--dark);color:#fbfef8;border-radius:24px;margin-bottom:25px;padding:41px 43px;isolation:isolate;box-shadow:var(--shadow)}.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(238,255,213,.14);border-radius:50%;width:380px;height:380px;right:-80px;top:-140px;transform:rotate(-23deg)}.hero:after{width:560px;height:560px;right:-170px;top:-245px;border-width:47px;border-color:rgba(210,240,154,.065)}.hero-content{z-index:1;position:relative;max-width:570px}.hero-top{color:#bdd294;letter-spacing:.19em;font-size:10px;font-weight:800;margin-bottom:22px}.hero h1{font-size:clamp(34px,4vw,52px);font-weight:750;letter-spacing:-.07em;line-height:1.2;margin:0 0 16px}.hero h1 em{font-style:normal;color:var(--lime)}.hero p{margin:0 0 25px;color:#bac7bd;font-size:13px;line-height:1.85;max-width:420px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border-radius:12px;padding:12px 18px;font-size:12px;font-weight:750;line-height:1.6;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;text-align:center}.btn-primary{background:var(--lime);color:#1a2b1b}.btn-dark{background:var(--ink);color:white}.btn-light{background:rgba(255,255,255,.09);color:white;border-color:rgba(255,255,255,.24)}.btn-outline{background:white;color:#415349;border-color:#dde6dd}.btn-outline:hover{background:#f0f5ec}.btn:disabled{opacity:.55;cursor:not-allowed}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:42px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:21px 24px;min-height:125px;box-shadow:var(--shadow)}.stat-label{font-size:11px;color:#8c9a90;font-weight:650;margin-bottom:16px}.stat-num{font-size:33px;font-weight:780;letter-spacing:-.07em;line-height:1}.stat-suffix{font-size:12px;color:#9aa79b;letter-spacing:0;margin-left:4px}.stat-note{font-size:10px;color:#a0aba2;margin-top:10px}.two-col{display:grid;grid-template-columns:1.25fr .85fr;gap:18px}.surface{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow);min-width:0}.modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.mode{border:1px solid #e6ebe4;background:#fcfdfb;border-radius:14px;text-align:left;padding:20px;display:grid;gap:8px;min-height:143px;transition:transform .2s,border-color .2s,background .2s}.mode:hover{transform:translateY(-2px);border-color:#b8d88e;background:#f9fcf5}.mode-top{display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:.09em;color:#91a094;font-weight:750}.mode-arrow{font-size:20px;color:#97b46e}.mode-title{font-size:17px;font-weight:750;letter-spacing:-.04em}.mode-desc{font-size:11px;color:#8a998d;line-height:1.7}.mode.wide{grid-column:1/-1;background:#edf4e7;min-height:105px}
.chart{display:flex;gap:8px;align-items:end;justify-content:space-between;height:162px;padding-top:20px}.chart-col{display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:end;flex:1;height:100%}.chart-bar{width:100%;max-width:29px;min-height:5px;background:#dce6d6;border-radius:7px 7px 4px 4px;transition:height .25s}.chart-bar.today{background:#9dc75c}.chart-day{font-size:10px;color:#9cab9d}.mini-note{border-top:1px solid #eef0ec;margin-top:20px;padding-top:15px;color:#879589;font-size:11px;line-height:1.8}
.resource-list{margin-top:17px;display:grid;gap:9px}.resource-link{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px 17px;font-size:12px;font-weight:660}.resource-link:hover{background:#f3f7f0}.resource-link span{color:#92a58d;font-size:11px}
.practice-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:23px}.practice-head strong{font-size:15px}.practice-head small{display:block;font-size:11px;color:#91a093;font-weight:500;margin-top:5px}.ghost-btn{border:0;background:transparent;color:#798a7b;padding:9px;font-size:12px;font-weight:650}.progress-track{height:6px;background:#e5ebe2;border-radius:20px;margin:0 0 26px;overflow:hidden}.progress-fill{height:100%;background:#a5d175;border-radius:20px;transition:width .3s ease}
.question-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(22px,4vw,38px);box-shadow:var(--shadow)}.question-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:27px}.pill{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:100px;background:#edf4e7;color:#628044;font-size:11px;font-weight:780}.question-type{font-size:11px;color:#95a197}.question-title{font-size:clamp(21px,2.3vw,29px);font-weight:700;line-height:1.65;letter-spacing:-.026em;white-space:pre-wrap;margin:0 0 24px;overflow-wrap:anywhere}.passage{padding:24px;border-radius:15px;background:#f7f9f5;border:1px solid #edf0e9;white-space:pre-line;font-size:14px;line-height:2;letter-spacing:0;margin-bottom:28px;color:#3c4a3f;overflow-wrap:anywhere}.passage-label{display:block;font-size:10px;letter-spacing:.13em;color:#879b86;margin-bottom:8px;font-weight:850}.blank{display:inline-block;background:#e0ecd5;padding:0 7px;border-radius:5px;font-weight:750;color:#3f6543}
.options{display:grid;gap:11px}.option{display:flex;align-items:flex-start;gap:15px;width:100%;text-align:left;padding:16px 17px;border:1px solid #e5ebe3;background:#fcfdfb;border-radius:13px;color:#344237;font-size:14px;line-height:1.6;transition:border .12s,background .12s;min-height:58px}.option:hover:not(:disabled){border-color:#b8d49c;background:#f4f8ef}.letter{display:inline-grid;place-items:center;width:25px;min-width:25px;height:25px;border-radius:8px;border:1px solid #dce5d8;background:#fff;font-size:11px;color:#5b6c5d;font-weight:780}.option.correct{border-color:#99cd7c;background:#eff8e8}.option.correct .letter{background:#c5e5ae;border-color:#b3d49d}.option.incorrect{border-color:#e7aba4;background:#fff1ee}.option.incorrect .letter{background:#f8d7d1;border-color:#efbab2}.option:disabled{cursor:default}.feedback{margin-top:21px;padding:20px;border-radius:14px;background:#f4f8f0;border:1px solid #e1edda}.feedback.bad{background:#fff8f4;border-color:#f4e4db}.feedback-title{font-size:13px;font-weight:800;margin-bottom:9px}.feedback p{margin:0;font-size:13px;line-height:1.95;color:#526052}.question-actions{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:24px;flex-wrap:wrap}.favorite{border:1px solid var(--line);border-radius:11px;background:white;padding:11px 13px;font-size:12px;color:#6b7d6f}.favorite.on{color:#507b32;background:#e9f4df;border-color:#bfe0aa}.question-footnote{font-size:10px;color:#9cab9c;line-height:1.75;margin-top:16px}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}.mode-big{border:1px solid var(--line);border-radius:19px;background:#fff;padding:26px;text-align:left;min-height:174px}.mode-big:hover{border-color:#a8c98e}.mode-big .big-top{font-size:10px;letter-spacing:.12em;color:#96a497;font-weight:850}.mode-big h3{font-size:22px;margin:26px 0 6px;letter-spacing:-.05em}.mode-big p{margin:0;color:#91a094;font-size:12px;line-height:1.6}
.result-hero{background:var(--dark);color:#fff;border-radius:22px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:15px}.result-hero strong{font-size:56px;line-height:1;letter-spacing:-.06em}.result-hero p{color:#b7c7b9}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}.result-callout{margin:16px 0 0;border:1px solid var(--line);background:white;padding:21px;border-radius:15px;color:#768579;font-size:13px;line-height:1.9}
.review-tools{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0}.chip{border:1px solid var(--line);border-radius:100px;background:#fff;padding:10px 17px;color:#667769;font-size:12px}.chip.active{background:var(--dark);color:white;border-color:var(--dark)}.review-list{display:grid;gap:11px}.review-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;justify-content:space-between;align-items:start;gap:20px}.review-text{font-size:13px;color:#374439;line-height:1.7;white-space:pre-line}.review-meta{font-size:10px;color:#91a393;margin-bottom:8px}.review-explain{font-size:12px;color:#849184;margin-top:10px;line-height:1.8}.empty{padding:50px 20px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px}.empty h3{font-size:22px;letter-spacing:-.045em}.empty p{color:#8e9b90;font-size:13px;line-height:1.8}
.setting-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:21px 0}.field{display:grid;gap:8px}.field span{color:#6e7c72;font-size:12px;font-weight:700}.field input{border:1px solid var(--line);background:#fff;padding:15px;border-radius:11px;outline:none;min-width:0;width:100%;color:var(--ink)}.setting-notice{font-size:12px;color:#869488;line-height:1.9;margin:15px 0}.setting-actions{display:flex;gap:10px;flex-wrap:wrap}.separator{margin:26px 0;border-top:1px solid var(--line)}.warn{color:#9f5c4b}.mobile-only{display:none}
@media(max-width:1100px){.sidebar{width:210px;min-width:210px}.two-col{grid-template-columns:1fr}.hero:before{right:-210px}.hero:after{right:-280px}}
@media(max-width:740px){.sidebar{position:fixed;bottom:0;top:auto;height:auto;width:100%;min-width:0;padding:0 calc(8px + env(safe-area-inset-right)) calc(3px + env(safe-area-inset-bottom)) calc(8px + env(safe-area-inset-left));border-right:0;border-top:1px solid #e1e8df;background:rgba(252,253,250,.95);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}.brand,.nav-label,.sidebar-bottom{display:none}.nav{display:grid;grid-template-columns:repeat(6,1fr);gap:0}.nav-item{padding:8px 3px;min-height:51px;font-size:10px;display:flex;flex-direction:column;gap:2px;border-radius:8px}.nav-item.active{background:transparent;color:#486b3b}.nav-item.active .nav-symbol{background:#e5efd7;border-radius:7px}.nav-symbol{font-size:19px;width:32px;min-height:26px;display:grid;place-items:center}.main{width:100%}.topbar{height:61px;padding:0 19px}.topbar-left{font-size:9px;letter-spacing:.11em}.topbar-right{gap:0}.desktop-note{display:none}.top-cta{font-size:11px;padding:10px 12px}.page{padding:32px 18px calc(104px + env(safe-area-inset-bottom))}.footer{display:none}.hero{padding:29px 27px;min-height:290px;border-radius:19px}.hero:before{right:-270px}.hero:after{right:-300px}.hero h1{font-size:35px}.hero p{font-size:12px}.stats{gap:8px;margin-bottom:30px}.stat-card{padding:15px 13px;min-height:104px;border-radius:14px}.stat-label{font-size:10px;margin-bottom:12px}.stat-num{font-size:27px}.stat-suffix{font-size:10px}.stat-note{font-size:9px}.surface{padding:20px;border-radius:17px}.section-title h2{font-size:18px}.question-card{padding:22px 19px;border-radius:18px}.question-title{font-size:21px;line-height:1.65}.passage{padding:18px;font-size:13px;line-height:1.85}.option{padding:15px 12px;font-size:13px}.mode-grid{gap:10px}.mode-big{padding:20px;min-height:156px}.mode-big h3{font-size:19px}.review-item{flex-direction:column}.review-item .btn{width:100%}.result-hero{padding:27px}.result-hero strong{font-size:44px}.mobile-only{display:block}}
@media(max-width:390px){.page{padding-left:14px;padding-right:14px}.hero{padding:24px 21px}.hero h1{font-size:31px}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stat-card{padding:13px 10px}.stat-label{font-size:9px}.stat-num{font-size:24px}.modes{grid-template-columns:1fr}.mode.wide{grid-column:auto}.mode{min-height:110px;padding:16px}.mode-grid{grid-template-columns:1fr}.mode-big{min-height:125px}.mode-big h3{margin-top:16px}.setting-row{grid-template-columns:1fr}.practice-head{align-items:flex-start}.result-hero{display:block}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}