:root{--ink:#172233;--dark:#111b2b;--muted:#677386;--line:#e6eaf0;--blue:#315dff;--lime:#defa71;--paper:#f6f7fa;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--white);margin:0;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.skip{position:absolute;left:-999px;top:10px;z-index:8;background:#fff;padding:10px}.skip:focus{left:10px}.wrap{max-width:1200px;margin:auto;padding:96px 32px}.nav{height:74px;position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);z-index:8;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 max(32px,calc((100vw - 1140px)/2))}.brand{font-size:14px;font-weight:900;display:flex;align-items:center;gap:12px;letter-spacing:.35px}.brand em{font-style:normal;font-weight:600;color:#8391a4}.brand-mark{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:11px;color:#fff;background:#142039;font-weight:900;font-size:20px;position:relative}.brand-mark span{position:absolute;color:var(--lime);font-size:12px;right:4px;top:2px}.nav-links{display:flex;gap:30px;font-size:13px;color:#5b6575;font-weight:650}.nav-links a:hover{color:var(--blue)}.hero{position:relative;min-height:640px;overflow:hidden;background:var(--dark);color:#fff;display:flex;align-items:center;gap:30px;padding:70px max(32px,calc((100vw - 1140px)/2))}.hero-glow{position:absolute;width:750px;height:720px;border-radius:50%;right:-250px;top:-260px;background:radial-gradient(circle,#334b75 0%,#1b2b46 47%,transparent 70%);pointer-events:none}.hero-inner{max-width:670px;position:relative;z-index:2}.eyebrow{display:inline-block;color:#cfeafe;font-size:12px;font-weight:750;letter-spacing:2px;margin-bottom:26px}.hero h1{font-size:clamp(64px,7vw,104px);letter-spacing:-5px;line-height:1.13;margin:0 0 24px;font-weight:900}.hero h1 span{color:var(--lime)}.hero-copy{font-size:17px;line-height:1.9;color:#c5d0de}.hero-actions{display:flex;gap:14px;margin-top:31px;align-items:center}.primary,.secondary{display:inline-flex;justify-content:center;align-items:center;gap:20px;padding:15px 22px;border-radius:11px;font-size:14px;font-weight:750}.primary{background:var(--lime);color:#122034}.primary:hover{background:#c9ef52}.primary span{font-size:20px}.secondary{border:1px solid #647289;color:#fff}.tiny{color:#8e9eb3;font-size:11px;margin-top:34px}.hero-art{flex:1;min-height:420px;position:relative;z-index:1}.orb{width:320px;height:320px;background:radial-gradient(circle at 30% 30%,#334c8e,#192941 67%);border:1px solid #7087bd;border-radius:50%;position:absolute;left:20px;top:20px;display:grid;place-items:center;font-size:160px;font-weight:900;color:var(--lime);box-shadow:0 0 100px #152951}.orb span{color:white;position:absolute;right:80px;bottom:39px;font-size:65px}.art-card{position:absolute;z-index:2;background:#f5f8ff;color:#24364d;border:1px solid #fff;box-shadow:0 18px 34px #070e1f30;border-radius:12px;padding:17px 19px;font-size:15px;font-weight:700;white-space:nowrap}.art-card b{font-size:12px;color:#4564ad;margin-right:9px}.c1{left:-25px;top:35px;transform:rotate(-6deg)}.c2{right:-40px;top:105px;transform:rotate(8deg)}.c3{left:-65px;bottom:70px;transform:rotate(5deg)}.c4{right:0;bottom:15px;transform:rotate(-6deg)}.section-meta{font-size:11px;letter-spacing:2.5px;font-weight:900;color:#416bcb;margin-bottom:22px}.lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.lead-grid h2{font-size:45px;letter-spacing:-1.5px;line-height:1.3;margin:0}.lead-grid p{font-size:16px;line-height:1.95;color:var(--muted);margin:0 0 15px}.lead-grid strong{color:var(--ink)}.stats{margin-top:48px;border:1px solid var(--line);border-radius:20px;display:grid;grid-template-columns:repeat(4,1fr);padding:31px 12px}.stats div{display:flex;flex-direction:column;align-items:center;gap:9px;border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats strong{font-size:49px;font-weight:850;letter-spacing:-1.5px}.stats span{color:var(--muted);font-size:12px}.quick{background:var(--paper);max-width:none;padding-left:max(32px,calc((100vw - 1140px)/2));padding-right:max(32px,calc((100vw - 1140px)/2))}.section-header{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;margin-bottom:30px}.section-header h2,.faq h2,.sources h2{font-size:42px;letter-spacing:-1.4px;margin:0 0 12px}.section-header p,.sources p{color:var(--muted);line-height:1.9;max-width:690px;font-size:15px}.chip{background:#dff3b7;color:#294527;padding:10px 17px;border-radius:90px;font-weight:800;font-size:12px;white-space:nowrap}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick article{padding:28px 23px;background:#fff;border-radius:18px;min-height:248px;border:1px solid var(--line)}.quick article span{color:#476ae5;font-weight:800;font-size:12px}.quick article h3{font-size:24px;line-height:1.4;margin:18px 0}.quick article p{color:var(--muted);font-size:14px;line-height:1.9}.quick-footer{display:flex;justify-content:space-between;gap:20px;margin-top:22px;color:#566477;font-size:13px}.quick-footer a{color:#315dff;font-weight:800}.play{background:#fff}.progress{text-align:right;min-width:190px;padding-top:12px}.progress b{font-size:24px;display:block}.progress span{font-size:12px;color:var(--muted)}.progress-track{height:5px;background:#eff0f5;border-radius:9px;overflow:hidden;margin-top:12px}.progress-track i{display:block;height:100%;width:0;background:#315dff;border-radius:9px;transition:width .25s}.toolbar{display:flex;gap:12px;flex-wrap:wrap}.search-wrap{flex:1;min-width:240px;position:relative}.search-wrap span{position:absolute;top:7px;left:17px;font-size:30px;color:#788493}.search-wrap input,.toolbar select,.clear{height:54px;border:1px solid #dfe5ef;background:#f9fafc;border-radius:11px;outline:none;color:#233149}.search-wrap input{width:100%;padding:0 16px 0 51px;font-size:14px}.search-wrap input:focus,.toolbar select:focus,.clear:focus-visible{outline:2px solid #aac0ff}.toolbar select{padding:0 12px;min-width:112px}.clear{padding:0 16px}.category-pills{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.category-pills button{border:1px solid #dce3ee;background:#fff;border-radius:50px;padding:8px 13px;font-size:12px;color:#576478}.category-pills button.active{background:#182842;color:#fff;border-color:#182842}.count{color:#788597;font-size:13px;margin:23px 0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.entry{border:1px solid #e3e8f1;border-radius:17px;padding:25px 25px 19px;min-width:0;transition:box-shadow .18s,transform .18s}.entry:hover{box-shadow:0 20px 45px #0b245214;transform:translateY(-1px)}.entry:target{outline:3px solid var(--lime)}.entry-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.entry-num{font-size:13px;color:var(--blue);font-weight:800;letter-spacing:1px}.entry-time{font-size:12px;color:var(--muted)}.entry h3{margin:14px 0 12px;font-size:24px}.entry h4{font-size:11px;color:#7b8695;letter-spacing:1px;margin:20px 0 8px}.entry ol{margin:0;padding-left:20px}.entry li{font-size:14px;line-height:1.8;margin:5px 0}.entry-output{padding:12px 15px;border-radius:9px;background:#edf5dc;font-size:14px;line-height:1.8;margin:13px 0}.entry-output b{font-size:11px;display:block;letter-spacing:1px;color:#3f5d35}.entry-pitfall{color:#627084;font-size:13px;line-height:1.7;margin:13px 0}.entry-meta{font-size:12px;color:#8090a1;margin:16px 0}.entry-links{display:flex;gap:10px;flex-wrap:wrap}.entry-links a{font-size:11px;color:#4164c5;text-decoration:underline}.entry-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:21px;border-top:1px solid var(--line);padding-top:15px}.done-label{display:flex;gap:8px;align-items:center;font-size:13px;font-weight:750;cursor:pointer}.done-label input{accent-color:#315dff;width:17px;height:17px}.copy-btn{background:#f1f5fa;border:0;border-radius:9px;color:#56667b;font-size:12px;padding:9px 11px}.empty{padding:30px;text-align:center;background:#f7f9fc;border-radius:12px}.path{background:#f7f9fc;max-width:none;padding-left:max(32px,calc((100vw - 1140px)/2));padding-right:max(32px,calc((100vw - 1140px)/2))}.dark-link{color:#34445f;border-color:#d2dbe7}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.timeline div{background:#fff;border:1px solid #e0e6ef;border-radius:17px;padding:26px}.timeline b{font-size:28px;color:#315dff}.timeline h3{font-size:21px}.timeline p{font-size:13px;color:#687488;line-height:1.85}.callout{margin-top:23px;border-left:4px solid var(--lime);padding:21px 28px;background:#ecf3dc}.callout p{color:#526175;line-height:1.7;font-size:14px}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{font-weight:800;cursor:pointer;font-size:17px}.faq details p{max-width:900px;color:#6a7585;line-height:1.9;font-size:15px}.sources{background:#fff}.sources p{max-width:900px}.links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:27px}.links a{border:1px solid var(--line);border-radius:10px;padding:17px 19px;font-size:14px;font-weight:700;display:flex;justify-content:space-between}.links a:hover{background:#f5f7ff}.links span{color:var(--blue)}.footer{background:#101c2e;color:white;padding:48px max(32px,calc((100vw - 1140px)/2));display:flex;justify-content:space-between;gap:20px}.footer strong{font-size:18px}.footer p{font-size:12px;color:#acb9cd;line-height:1.85}@media(max-width:980px){.hero-art{display:none}.hero{min-height:580px}.quick-grid,.timeline{grid-template-columns:repeat(2,1fr)}.lead-grid{gap:35px}.nav{padding:0 24px}}@media(max-width:650px){.wrap{padding:62px 21px}.nav{height:61px;padding:0 18px}.brand{font-size:13px}.brand em{display:none}.nav-links{gap:15px}.nav-links a:nth-child(2),.nav-links a:nth-child(3){display:none}.hero{padding:74px 21px 63px;min-height:auto}.hero h1{font-size:56px;letter-spacing:-2.5px}.hero-copy{font-size:15px}.hero-actions{flex-wrap:wrap}.primary,.secondary{width:100%;padding:14px}.eyebrow{font-size:10px;letter-spacing:1.5px}.lead-grid{display:block}.lead-grid h2{font-size:33px;margin-bottom:28px}.stats{grid-template-columns:repeat(2,1fr);row-gap:27px}.stats div:nth-child(2){border-right:0}.stats strong{font-size:39px}.quick,.path{padding-left:21px;padding-right:21px}.quick-grid,.timeline,.cards,.links{grid-template-columns:1fr}.section-header{display:block}.section-header h2,.faq h2,.sources h2{font-size:31px}.chip{display:inline-block;margin-top:10px}.quick article{min-height:0;padding:23px}.quick-footer{display:block}.quick-footer span{display:block;margin-top:12px}.progress{text-align:left;margin:20px 0}.toolbar select{flex:1;min-width:128px}.toolbar .clear{width:100%}.footer{display:block;padding:45px 21px}.entry{padding:22px 19px}.hero .tiny{font-size:10px}}

/* Review v2: executable checklists, feedback, usable on mobile and offline */
.progress-tools,.day-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:15px 0}
.progress-tools{background:#f6f8fc;padding:12px 14px;border-radius:12px;border:1px solid var(--line)}
.filter-checkbox{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:#34465b;cursor:pointer}
.filter-checkbox input{accent-color:var(--blue);height:17px;width:17px}
.tool-btn{font-size:12px;font-weight:700;background:#fff;border:1px solid #d5deeb;border-radius:8px;color:#334863;padding:9px 12px;cursor:pointer;display:inline-flex;align-items:center}
.tool-btn:hover{border-color:var(--blue)}.tool-danger{color:#8d444a}.import-label input{display:none}
.save-status{font-size:12px;color:#6d7888;line-height:1.7;min-height:20px}.save-status.warn{color:#af532e}
.day-tools{justify-content:space-between;font-size:13px;font-weight:800;color:#31476b}.day-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:20px 0 26px}
.day-card{background:#fff;border:1px solid #e4e8ef;border-radius:12px;padding:14px;min-width:0}.day-card.is-done{background:#eff8e9}.day-card label{display:flex;gap:9px;align-items:flex-start;cursor:pointer}.day-card input{margin-top:5px;accent-color:#315dff;width:16px;height:16px;flex-shrink:0}.day-card strong{font-size:14px;display:block;line-height:1.55}.day-card b{color:var(--blue);margin-right:8px}.day-card p{font-size:12px;color:#66768b;line-height:1.6;margin:9px 0 0 26px}.case-study{background:#f9fbff}.example-contents{max-width:990px;background:white;border:1px solid #dfe6ef;border-radius:18px;padding:32px 40px;box-shadow:0 10px 35px #12345a0a}.example-contents h3{font-size:21px;margin-top:28px}.example-contents p,.example-contents li{font-size:15px;line-height:1.9}.example-contents pre{background:#142039;color:#edf3ff;border-radius:12px;padding:17px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.8}.example-contents table{border-collapse:collapse;display:block;max-width:100%;overflow-x:auto;margin:15px 0}.example-contents th,.example-contents td{border:1px solid #dfe5ef;padding:9px 10px;text-align:left;font-size:13px;line-height:1.7}.example-contents blockquote{border-left:3px solid var(--blue);margin-left:0;padding:8px 20px;background:#f2f6fc}.day-card[hidden]{display:none}.count[role=status]{min-height:21px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,.import-label:focus-within{outline:3px solid #799bfb;outline-offset:2px}
@media(max-width:980px){.day-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.day-grid{grid-template-columns:1fr}.example-contents{padding:18px 17px}.progress-tools{align-items:stretch}.tool-btn{flex:1;justify-content:center}.case-study .section-header .secondary{color:#253a5a}.day-tools{align-items:start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.entry,.progress-track i{transition:none}}

.entry-example,.entry-blocked{border-radius:9px;padding:12px 15px;margin-top:10px;font-size:13px;line-height:1.8;background:#f1f5ff}.entry-blocked{background:#fff5ed}.entry-example b,.entry-blocked b{display:block;font-size:11px;letter-spacing:1px;margin-bottom:3px;color:#4362a5}

/* Optional author contact, after the learning plan. */
.consultation{width:calc(100% - 64px);max-width:1136px;margin:48px auto 0;padding:30px 32px;border:1px solid var(--line);border-radius:16px;background:#f9fafc;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:36px;align-items:center;scroll-margin-top:120px}
.consultation-label{font-size:12px;font-weight:700;color:var(--muted);margin:0 0 10px}.consultation h2{font-size:24px;line-height:1.4;margin:0 0 12px}.consultation p{font-size:14px;line-height:1.85;color:#536277}.consultation .consultation-label,.consultation .consultation-note,.consultation-status{font-size:12px}.consultation-note{margin-bottom:0}.consultation-contact strong{color:var(--ink);font-size:20px;user-select:all}.consultation-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px}.consultation-actions a{font-size:13px;font-weight:700;color:var(--blue)}.consultation-status{min-height:22px;margin:6px 0 0}.footer a:hover{text-decoration:underline}
@media(max-width:980px){.nav-links{gap:18px}}
@media(max-width:650px){.nav{height:auto;min-height:61px;flex-wrap:wrap;gap:12px;padding:12px 18px}.nav-links{width:100%;justify-content:space-between;gap:8px;font-size:12px}.nav-links a{white-space:nowrap}.consultation{width:calc(100% - 42px);padding:22px;grid-template-columns:1fr;gap:16px;margin-top:32px}.consultation h2{font-size:22px}.consultation-actions .tool-btn{flex:0 1 auto}}