@charset "UTF-8";
:root{--paper:#f7f7f2;--card:#fff;--ink:#203d36;--muted:#718078;--green:#173e37;--lime:#d7eb9f;--line:#e3e7df;--soft:#eef1e8;--orange:#ab673e;--radius:22px;--sans:"Avenir Next","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--serif:"Iowan Old Style","Songti SC","STSong",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{cursor:default;opacity:.6}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #719c60;outline-offset:4px}svg{display:block;flex-shrink:0}button{border:0;background:none}img{max-width:100%}.site-shell{max-width:1200px;margin:auto;padding:0 38px}.site-header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:650;letter-spacing:1px}.brand img{border-radius:11px}.brand small{display:block;font-size:8px;letter-spacing:2.4px;line-height:1.6;font-weight:600;color:var(--muted)}.desktop-nav{display:flex;gap:9px}.desktop-nav a{display:flex;align-items:center;gap:7px;padding:9px 16px;font-size:14px;color:var(--muted);border-radius:24px;transition:background .2s}.desktop-nav a[aria-current=page]{background:var(--green);color:white}.desktop-nav svg{width:16px;height:16px}.header-tool{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:12px;padding:10px 0}.install-icon{width:27px;height:27px;border:1px solid #cbd2c5;border-radius:50%;display:grid;place-items:center;font-size:17px}.mobile-nav{display:none}main{padding:36px 0 24px;min-height:70vh}.eyebrow{font-size:10px;letter-spacing:2.2px;color:var(--muted);text-transform:uppercase;font-weight:650}.section-head{display:flex;justify-content:space-between;align-items:center;margin:32px 0 16px;gap:12px}.section-head h2{margin:0;font-size:21px;font-weight:600;letter-spacing:-.4px}.section-head p{margin:4px 0 0;color:var(--muted);font-size:13px}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:12px;white-space:nowrap;padding:8px 0}.page-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px;gap:20px}.page-heading h1{font-family:var(--serif);font-size:40px;font-weight:500;letter-spacing:-1px;margin:6px 0}.page-heading p{margin:0;color:var(--muted);font-size:14px}.page-count{font-size:13px;border:1px solid var(--line);border-radius:40px;padding:7px 14px;white-space:nowrap}.hero{display:grid;grid-template-columns:1.2fr 1fr;min-height:295px;border-radius:var(--radius);background:#e9eee2;overflow:hidden;position:relative}.hero-copy{padding:37px 40px;position:relative;z-index:1}.hero-kicker{display:flex;align-items:center;gap:7px;font-size:11px;letter-spacing:1px;color:#506849}.hero-kicker i{height:6px;width:6px;border-radius:50%;background:#789354}.hero h1{font-family:var(--serif);font-size:43px;line-height:1.32;font-weight:500;letter-spacing:-.7px;margin:15px 0 14px}.hero h1 em{font-style:normal;color:#658049}.hero-description{font-size:13px;color:#66745e;margin:0}.hero-meta{display:flex;gap:24px;margin-top:23px}.hero-meta b{font-size:19px;font-weight:550}.hero-meta span{font-size:11px;color:#6c7865;margin-left:5px}.hero-art{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(ellipse at center,rgba(244,248,228,.9),transparent 65%)}.hero-art svg{width:350px;height:270px;max-width:100%;transform:rotate(-3deg)}.art-caption{position:absolute;bottom:22px;right:28px;letter-spacing:2px;font-size:8px;color:#76866a}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(260px,1fr);gap:24px}.focus-card{background:var(--green);color:#fff;border-radius:var(--radius);padding:28px 30px;position:relative;overflow:hidden}.focus-card::after{content:"";position:absolute;width:180px;height:180px;border:1px solid #41625b;border-radius:50%;right:-90px;top:35px;box-shadow:0 0 0 24px #ffffff03,0 0 0 49px #ffffff03;pointer-events:none}.focus-card .eyebrow{color:#b8cabb}.focus-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.tag{display:inline-flex;align-items:center;gap:5px;border-radius:5px;padding:3px 8px;font-size:10px;line-height:1.6;background:var(--soft);color:#69765b}.focus-card .tag{color:#dcebbd;background:#ffffff12;border:1px solid #ffffff16}.focus-card h3{font-family:var(--serif);font-size:26px;line-height:1.45;font-weight:500;margin:17px 0 8px;max-width:90%}.focus-card p{font-size:12px;line-height:1.8;color:#b7ccc3;margin:0;max-width:87%}.focus-bottom{margin-top:25px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1}.small-meta{display:flex;align-items:center;gap:6px;font-size:11px;color:#b7ccc3}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:43px;padding:10px 19px;border-radius:10px;font-size:12px;font-weight:600;transition:transform .16s,background .16s}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--green);color:white}.btn-lime{background:var(--lime);color:#294532}.btn-soft{background:var(--soft);color:var(--green)}.btn-outline{border:1px solid var(--line);background:#fff}.btn svg{width:15px;height:15px}.checkin-card{height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px}.checkin-top{display:flex;justify-content:space-between;align-items:center}.checkin-top h3{margin:0;font-size:15px;font-weight:600}.checkin-top .leaf{color:#729047}.checkin-card .count{font-size:38px;line-height:1.4;font-weight:500;letter-spacing:-1px;margin:11px 0 0}.checkin-card .count span{font-size:12px;color:var(--muted);letter-spacing:0;margin-left:5px}.checkin-card .muted{font-size:11px;margin:0}.days{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin:17px 0 21px}.day{text-align:center;font-size:9px;color:var(--muted)}.day span{display:grid;place-items:center;background:#f3f4ed;border-radius:50%;height:28px;width:28px;margin:7px auto 0;color:#8e9988;font-size:10px}.day.done span{background:var(--lime);color:#39572b}.day.today span{border:1px solid #587644}.checkin-card .btn{width:100%}.muted{color:var(--muted)}.path-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.path-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px 17px;position:relative}.path-card.active{background:#f0f3e7;border-color:#a9bb8d}.path-number{font-size:10px;letter-spacing:1.2px;color:#8c9783;display:flex;justify-content:space-between}.path-card h3{font-size:14px;font-weight:600;margin:11px 0 5px}.path-card p{font-size:10px;color:var(--muted);margin:0}.path-card svg{width:13px;height:13px}.path-line{height:3px;border-radius:3px;background:#e9ede3;margin-top:17px;overflow:hidden}.path-line i{height:100%;display:block;background:#83a058;border-radius:3px}.weekly-strip{border-top:1px solid var(--line);margin-top:28px;padding-top:20px;display:flex;gap:20px;align-items:center}.weekly-strip .label{font-size:11px;color:#7a8672;white-space:nowrap}.weekly-slots{display:flex;flex-wrap:wrap;gap:8px}.weekly-slots span{font-size:10px;background:#eeeee6;color:#6e7964;border-radius:5px;padding:5px 8px}.tip-line{font-size:11px;color:var(--muted);margin:17px 0 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#173e3733;background:#fcfcf8;color:var(--ink)}dialog::backdrop{background:#183b3266;backdrop-filter:blur(5px)}.reader-top{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;background:#fcfcf8f5;border-bottom:1px solid var(--line);padding:14px 30px;backdrop-filter:blur(12px)}.reader-top .eyebrow{font-size:10px}.reader-tools{display:flex;gap:7px}.icon-button{display:grid;place-items:center;width:37px;height:37px;border-radius:50%;border:1px solid var(--line)}.icon-button.active{background:#e4edcd;color:#58753f}.reader-body{padding:35px 55px 40px}.reader-body h1{font-family:var(--serif);font-size:34px;line-height:1.45;font-weight:500;margin:13px 0 12px}.reader-lede{font-size:15px;color:#7c8875;line-height:1.9;margin-bottom:25px}.reader-goals{padding:20px 23px;border-radius:14px;background:#eff2e7;margin-bottom:32px}.reader-goals strong{font-size:12px;font-weight:600}.reader-goals ul{margin:8px 0 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@media(min-width:1280px){.site-shell{padding:0 44px}.hero h1{font-size:47px}}
@media(max-width:900px){.site-shell{padding:0 25px}.desktop-nav a{padding:8px 12px}.header-tool-label{display:none}.hero-copy{padding:30px}.hero h1{font-size:37px}.hero-art svg{width:280px}.dashboard-grid{grid-template-columns:minmax(0,1.6fr) minmax(245px,1fr);gap:18px}.focus-card{padding:24px}.checkin-card{padding:21px}.path-preview{gap:10px}.path-card{padding:15px}.exercise-layout{grid-template-columns:1.4fr 1fr;gap:18px}.profile-grid{gap:18px}}
@media(max-width:680px){body{font-size:14px}.site-shell{padding:0 21px}.site-header{height:79px;gap:10px}.brand{font-size:18px}.brand small{font-size:7px}.brand img{width:34px;height:34px}.desktop-nav{display:none}.header-tool-label{display:inline;font-size:9px}.install-icon{width:24px;height:24px;font-size:15px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:#fcfcf8f5;border-top:1px solid #e3e7db;padding:9px 15px calc(9px + env(safe-area-inset-bottom));z-index:10;backdrop-filter:blur(15px)}.mobile-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#8b9783;font-size:10px;min-height:43px}.mobile-nav a[aria-current=page]{color:var(--green);font-weight:600}.mobile-nav a[aria-current=page] svg{background:#e6edda;box-shadow:0 0 0 6px #e6edda;border-radius:6px}.mobile-nav svg{height:20px;width:20px;margin:3px 0}main{padding:24px 0 20px;min-height:75vh}.hero{grid-template-columns:1fr;min-height:0;border-radius:19px}.hero-copy{padding:27px 26px 24px}.hero-kicker{font-size:10px}.hero h1{font-size:34px;letter-spacing:-.5px;margin:14px 0 12px;position:relative;z-index:2}.hero-description{font-size:11px;max-width:74%;line-height:1.9;position:relative;z-index:2}.hero-meta{gap:20px;margin-top:24px;position:relative;z-index:2}.hero-meta b{font-size:19px}.hero-meta span{font-size:10px}.hero-art{position:absolute;bottom:38px;right:-71px;width:209px;height:184px;opacity:.55;pointer-events:none}.hero-art svg{width:220px;height:180px;transform:rotate(-8deg)}.art-caption{display:none}.dashboard-grid{grid-template-columns:1fr;gap:0}.section-head{margin:27px 0 13px}.section-head h2{font-size:18px}.section-head p{font-size:11px}.text-link{font-size:11px}.focus-card{padding:24px;border-radius:19px}.focus-card h3{font-size:24px;margin-top:16px;max-width:95%}.focus-card p{font-size:12px;max-width:95%}.focus-bottom{margin-top:24px}.focus-bottom .btn{padding:11px 17px;min-height:43px}.checkin-card{padding:22px;border-radius:19px;margin-top:19px;height:auto;display:grid;grid-template-columns:1fr 1fr;gap:0 16px;position:relative}.checkin-top{grid-column:1/-1}.checkin-card .count{font-size:32px;margin-top:6px;grid-column:1}.checkin-card .muted{grid-column:1;font-size:10px}.checkin-card .days{grid-column:1/-1;margin:14px 0 0;gap:4px}.day span{height:31px;width:31px}.checkin-card .btn{grid-column:2;grid-row:2/4;align-self:center;min-height:39px}.checkin-top h3{font-size:14px}.path-preview{grid-template-columns:repeat(2,1fr);gap:11px}.path-card{padding:17px}.path-card h3{font-size:14px}.path-card p{font-size:10px}.weekly-strip{display:block;padding-top:18px;margin-top:23px}.weekly-strip .label{margin-bottom:10px}.weekly-slots{gap:6px}.weekly-slots span{font-size:9px}.tip-line{font-size:10px;line-height:1.8}.site-footer{font-size:9px;padding:20px 0 calc(100px + env(safe-area-inset-bottom));gap:8px}.page-heading{margin-bottom:22px;align-items:center;gap:12px}.page-heading h1{font-size:31px;margin-top:5px}.page-heading p{font-size:12px}.page-count{font-size:10px;padding:6px 10px}.filters{gap:8px}.search-field{min-width:170px}.filter-select{font-size:11px;max-width:100%}.filters .filter-select{max-width:135px}.week-summary{padding:18px 16px;gap:10px}.week-summary-left{gap:12px}.week-summary h2{font-size:14px}.week-summary p{font-size:10px}.week-badge{width:37px;height:37px;font-size:10px}.week-summary-right{font-size:10px;gap:5px}.lesson-list{padding:0 16px 7px}.lesson-row{gap:11px;padding:16px 0}.lesson-copy h3{font-size:13px}.lesson-copy p{font-size:10px;max-width:210px}.lesson-minutes{font-size:9px}.exercise-layout,.profile-grid{grid-template-columns:1fr;gap:18px}.paper-card{padding:22px;border-radius:18px}.paper-card h2{font-size:19px}.profile-top{padding:24px 21px;gap:16px}.profile-top h2{font-size:23px}.profile-symbol{width:54px;height:54px}.profile-stats{grid-template-columns:repeat(2,1fr);gap:11px}.stat-card{padding:17px 20px}.stat-card strong{font-size:27px}.reader{width:100%;max-width:100%;height:100dvh;max-height:100dvh;margin:0;border-radius:0}.reader-top{padding:12px 19px;padding-top:calc(12px + env(safe-area-inset-top))}.reader-body{padding:25px 24px calc(36px + env(safe-area-inset-bottom))}.reader-body h1{font-size:30px}.reader-lede{font-size:14px}.reader-goals{padding:18px 19px;margin-bottom:26px}.reader-section{margin:26px 0}.reader-section h2{font-size:18px}.reader-section p,.reader-section li{font-size:15px;line-height:2.05}.code-block{margin-left:-6px;margin-right:-6px;font-size:11px;padding:16px}.quiz-card{padding:19px;margin:26px 0}.quiz-option{padding:12px;font-size:12px;min-height:48px}.reader-actions{position:sticky;bottom:0;background:#fcfcf8f5;backdrop-filter:blur(12px);padding:15px 0 calc(12px + env(safe-area-inset-bottom));margin-bottom:-25px;gap:8px}.reader-actions .btn{font-size:11px;padding:11px 10px}.toast{bottom:calc(90px + env(safe-area-inset-bottom));width:max-content;max-width:88vw}.info-dialog{padding:26px}.info-dialog h2{font-size:25px}.notice{font-size:11px}}
@media(max-width:360px){.site-shell{padding:0 16px}.hero-copy{padding:24px 22px}.hero h1{font-size:31px}.hero-meta{gap:14px}.header-tool-label{display:none}.focus-card{padding:22px}.lesson-copy p{max-width:170px}.reader-body{padding:24px 20px}.week-summary-right span{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.tech-baseline{margin:0 0 18px;padding:0 18px 4px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.tech-baseline summary{justify-content:space-between;gap:8px}
.tech-baseline ul{padding-left:20px}
.tech-baseline li{margin-bottom:8px}