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@media(max-width:640px){.sidebar{position:relative;inset:auto;width:100%;height:auto;padding:17px 19px 0;border-right:0;border-bottom:1px solid #d5dcc9}.brand strong{font-size:21px}.brand small{font-size:7px;margin-top:5px}.brand-icon{height:38px;width:34px}.sidebar-section,.sidebar-note,.learner,.local-note{display:none}nav{display:flex;gap:5px;margin-top:19px}.nav-item{flex:1;justify-content:center;font-size:10px;padding:12px 2px;border-radius:5px 5px 0 0;gap:7px}.nav-item svg{width:16px;height:16px}.nav-dot,#bag-count{display:none}.shell{margin-left:0}.topbar{height:46px;padding:0 21px;font-size:9px}.eyebrow{font-size:7px}.top-seal{width:24px;height:24px;font-size:12px}.crumb{margin:0 8px}main{padding:0 20px}.hero{height:570px;margin-bottom:0}.hero-content{padding-top:31px;max-width:none}.hero .overline{font-size:6px;letter-spacing:1.65px}.hero h1{font-size:58px;line-height:1.02;margin:20px 0 17px}.hero-zh{font-size:15px}.hero-description{font-size:10px;margin-top:12px}.hero .primary{margin-top:19px;position:relative;z-index:3}.hero-footnote{font-size:8px;position:relative;z-index:3;max-width:240px;line-height:1.6}.hero-art{inset:270px -20px 0 -20px;background-position:center;mask-image:linear-gradient(to bottom,transparent,#000 22%);opacity:1}.art-caption{bottom:15px;right:4px;font-size:9px}.art-caption span{font-size:6px}.stats-strip{padding:23px 0;row-gap:23px}.stats-strip>div{padding:0 6px 0 15px;column-gap:8px}.stats-strip p>span{font-size:10px}.stats-strip strong{font-size:25px}.stats-strip small{font-size:7px}.stats-strip>div:first-child,.stats-strip>div:nth-child(3){padding-left:0}.journey-layout{margin-top:28px;gap:20px}.section-heading h2{font-size:18px;margin-top:9px}.section-heading .overline{font-size:8px}.map-canvas{height:370px}.map-node{width:83px}.node-title{font-size:8px;padding:3px 1px}.node-circle{width:28px;height:28px}.map-node.current .node-circle{width:33px;height:33px}.map-landmark{font-size:6px;letter-spacing:.6px}.map-legend{font-size:7px;gap:9px;bottom:13px;left:10px}.chapter-panel{padding:22px;column-gap:15px}.chapter-panel h3{font-size:23px}.chapter-story{font-size:10px}.chapter-meta{display:grid;font-size:9px;gap:12px;align-content:center}.chapter-panel .primary{font-size:10px;padding:10px 12px;gap:7px}.chapter-hint{font-size:7px}.chapter-overline{font-size:7px}.chapter-seal{font-size:19px}.chapter-english{font-size:11px}.ritual{padding:20px;gap:25px}.ritual h2{font-size:12px}.ritual-title{gap:10px}.ritual-steps{display:grid;grid-template-columns:1fr;gap:17px}.ritual-steps>div{gap:17px}.ritual-steps>span{display:none}.ritual-steps b{font-size:27px}.ritual-steps p{display:flex;align-items:center;gap:18px}.ritual-steps strong{font-size:11px}.ritual-steps small{font-size:9px;margin:0}footer{padding:28px 0 22px;gap:16px;flex-direction:column;align-items:center}footer p{font-size:9px}.word-tools{gap:10px}.word-tools select{font-size:11px;flex:1}.word-tools .search{flex-basis:100%}.word-grid{grid-template-columns:1fr;gap:14px}.page-intro{padding:30px 0 25px}.page-intro h1{font-size:30px}.page-intro>p:last-child{font-size:11px;line-height:1.8}.lesson-top{padding:15px 18px}.lesson-brand{font-size:18px}.lesson-inner{padding:26px 23px}.lesson-inner h2{font-size:22px}.lesson-progress{padding:19px 23px 0;gap:8px}.phase{font-size:9px}.flashcard{padding:25px 17px}.flashcard h3{font-size:39px}.example{font-size:17px}.options{gap:10px;grid-template-columns:1fr}.option{padding:13px 15px;min-height:49px}.quiz-prompt{font-size:32px;padding:15px 0}.lesson-bottom small{font-size:9px;max-width:130px;line-height:1.7}.lesson-actions{flex-wrap:wrap}.lesson-actions button{flex:1;white-space:nowrap}#toast{left:50%;font-size:11px;min-width:240px}.data-actions{gap:10px}.journal-entry{gap:15px}.journal-entry h3{font-size:17px}.journal-entry p{font-size:10px}.entry-xp{font-size:10px}.journal-summary{padding:21px;gap:20px}.journal-summary div{min-width:100px}.entry-number{font-size:27px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.milestones{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.milestone{display:flex;align-items:center;gap:13px;background:#eeeee380;border:1px solid #dedfce;padding:15px 17px;text-align:left;border-radius:6px}.milestone-index{font:italic 23px var(--serif);color:#a7b194}.milestone>div{flex:1}.milestone small{font-size:8px;letter-spacing:.3px;color:#8b947b}.milestone strong{display:block;font:24px var(--serif);margin-top:7px}.milestone em{font:8px var(--sans);font-style:normal;color:#8b947b}.milestone>svg{width:15px;color:#94a581}.milestone-track{height:3px;background:#dbdfcf;margin-top:10px;border-radius:2px;overflow:hidden}.milestone-track span{display:block;height:100%;background:#789865}.milestone.achieved{background:#e4ecda}.map-controls{display:flex;justify-content:space-between;align-items:center;margin:-2px 0 13px;font-size:9px;color:#899579}.map-controls>div{display:flex;align-items:center;gap:6px}.map-controls select{font-size:9px;min-height:30px;padding:5px 8px;background:transparent}.map-controls .icon-button{width:29px;height:29px;min-height:29px;font-size:12px}.map-controls button:disabled{opacity:.3}.chapter-panel{align-self:stretch;margin-top:0}.chapter-meta{gap:13px}.invitation-plan{display:grid;gap:18px;margin:29px 0}.invitation-plan>div{display:grid;grid-template-columns:23px 1fr;column-gap:13px;row-gap:5px}.invitation-plan svg{grid-row:span 2;color:#81976b;width:20px}.invitation-plan strong{font-size:12px;font-weight:500}.invitation-plan span{font-size:11px;line-height:1.8;color:#8a967c}.saved-note{font-size:9px;color:#8b967c;margin-top:20px}.phase{font-size:9px;letter-spacing:0}.journey-layout{margin-top:29px}.chapter-story{min-height:80px}.chapter-panel h3{margin-top:28px}.chapter-panel .primary{margin-top:26px}
@media(max-width:900px){.milestone{gap:8px;padding:13px 10px}.milestone-index{font-size:18px}.milestone>svg{display:none}.milestone strong{font-size:22px}.milestone em{font-size:7px}.milestone small{font-size:7px}.chapter-panel h3{margin-top:13px}.chapter-panel .primary{margin-top:10px}.chapter-story{min-height:0}}
@media(max-width:640px){.milestones{gap:7px;margin-top:18px}.milestone{padding:12px 9px}.milestone-index{display:none}.milestone small{font-size:7px;letter-spacing:0;white-space:nowrap}.milestone strong{font-size:23px}.milestone em{display:block;font-size:7px;margin-top:3px}.milestone-track{margin-top:9px}.phase{font-size:8px;display:block;line-height:1.7}.map-controls{font-size:9px}.map-controls select{font-size:8px}.chapter-meta{gap:10px}.chapter-panel .primary{font-size:9px}}
@media(max-width:900px){.chapter-panel h3{grid-column:1;grid-row:2}.chapter-english{grid-column:1;grid-row:3}.chapter-story{grid-column:1;grid-row:4}.chapter-hint{grid-column:2;grid-row:5}}
@media(max-width:640px){.hero h1{font-size:clamp(43px,12.5vw,58px)}.nav-item{white-space:normal}.chapter-panel{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.chapter-panel .primary{white-space:normal}.milestone{min-width:0}.hero-art{background-position:52% center}}
#language-toggle{padding:7px 11px;min-height:33px;font-size:10px;white-space:nowrap}#language-toggle:disabled{opacity:.55;cursor:default}.google-login{display:flex;align-items:center;gap:7px;background:#fffdf6;border:1px solid #d6dbcf;border-radius:5px;padding:8px 11px;min-height:33px;color:#5c6f51;font-size:10px;white-space:nowrap}.google-login svg{width:16px;height:16px}.account-block{display:grid;grid-template-columns:1fr auto;gap:4px 10px;font-size:10px}.account-name{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-block small{grid-column:1;font-size:8px;color:#8b967f}.text-button{background:none;color:#67805b;font-size:9px;text-decoration:underline;text-underline-offset:3px;grid-column:2;grid-row:1/3}.account-dialog-inner{padding:38px;position:relative}.account-dialog-inner h2{font:27px var(--serif);margin:12px 0 20px;max-width:430px}.account-dialog-inner p{font-size:13px;line-height:1.9;color:#7a876e;max-width:500px}.account-close{position:absolute;right:15px;top:15px}#google-button{margin-top:25px}#auth-notice{margin-top:18px;padding:14px;background:#ecefdf;border-radius:5px}.lesson-language-note{font-size:9px;color:#939a86;padding:13px 30px 0;margin:0}.top-right{gap:9px}.top-right>.top-seal{margin-left:0}
html[lang="en"] .nav-item{font-size:11px;gap:9px}html[lang="en"] .brand small{font-size:7px;letter-spacing:.5px}html[lang="en"] .chapter-story{font-size:12px}html[lang="en"] .node-title{font-size:8px;max-width:100px;white-space:normal;line-height:1.35;text-align:center}html[lang="en"] .chapter-panel h3{font-size:22px}html[lang="en"] .hero-zh{font-size:16px;max-width:420px;line-height:1.5}html[lang="en"] .hero-description{font-size:12px}
@media(max-width:1100px){.top-right>span:not(.top-seal){display:none}.topbar{gap:15px}}
@media(max-width:640px){.topbar{height:auto;min-height:54px;justify-content:flex-end;gap:10px;padding:10px 20px}.topbar>div:first-child{display:none}.top-right{width:100%;justify-content:space-between}.top-right>.top-seal{display:none}.google-login{font-size:11px;min-height:36px}#language-toggle{font-size:11px;min-height:36px}.account-dialog-inner{padding:35px 23px 28px}.account-dialog-inner h2{font-size:23px}.account-dialog-inner p{font-size:12px}html[lang="en"] .hero-zh{font-size:14px}html[lang="en"] .hero-description{font-size:11px}html[lang="en"] .nav-item{font-size:10px}html[lang="en"] .chapter-panel h3{font-size:20px}html[lang="en"] .node-title{font-size:7px;max-width:75px}.lesson-language-note{padding:11px 23px 0;font-size:8px}}

/* Illustrated journey maps retain the whole landscape on narrow screens. */
.map-section{min-width:0}
.map-frame{overflow:hidden;border:1px solid #78957e;border-radius:12px;background:#214e43;box-shadow:0 8px 26px #1d3d2820}
.map-placebar{min-height:55px;display:flex;justify-content:space-between;align-items:center;padding:11px 18px;color:#fff6dc;background:#214e43}
.map-placebar>div{display:flex;align-items:center;gap:16px}
.map-placebar small{font-size:8px;letter-spacing:1.8px;color:#d3ddc3}
.map-placebar strong{font:500 20px/1.25 var(--serif);letter-spacing:1px}
.map-placebar .map-compass{position:static;opacity:1;color:#ecd79c;display:flex}
.map-placebar .map-compass svg{width:27px;height:27px}
.map-viewport{width:100%;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#c8b375 #214e43;outline-offset:-3px}
.map-canvas{width:100%;height:auto;min-height:380px;aspect-ratio:2/1;border:0;border-radius:0;background:#9ba575 url('assets/hero-journey.webp') center/100% 100% no-repeat;isolation:isolate}
.map-scene{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;opacity:1;pointer-events:none;user-select:none}
.map-canvas .route{pointer-events:none;stroke-dasharray:none;stroke-linecap:round}
.map-canvas .route-shadow{stroke:#433b21;stroke-width:7;opacity:.35}
.map-canvas .route-guide{stroke:#fff1bd;stroke-width:2.8;stroke-dasharray:1 10;opacity:.95}
.map-node{z-index:1;transform:translate(-50%,-21px);width:134px;min-height:74px;padding:0;gap:5px;filter:none!important;outline-offset:4px;scroll-margin:28px}
.map-node .node-circle{position:relative;flex-shrink:0;width:42px;height:42px;background:#fff8df;border:2px solid #72643a;font:600 17px/1 var(--serif);color:#334c36;box-shadow:0 3px 0 #554421,0 5px 10px #1a342d55;transition:transform .18s}
.map-node .node-title,html[lang="en"] .map-node .node-title{max-width:134px;padding:5px 8px;border:1px solid #b09c68;border-radius:5px;background:#fff9e9f5;color:#253f31;font-size:10px;font-weight:600;line-height:1.4;white-space:normal;text-align:center;box-shadow:0 2px 5px #263e363d}
.map-node .node-lock{position:absolute;right:-5px;bottom:-2px;width:18px;height:18px;border:1px solid #fff1cd;border-radius:50%;display:grid;place-items:center;background:#556750;color:#fff8df}
.map-node.locked .node-circle .node-lock svg{width:10px;height:10px;stroke:currentColor;stroke-width:2}
.map-node.complete .node-circle{background:#356550;border-color:#fff1cb;color:#fff3c9;box-shadow:0 3px 0 #193e2c,0 5px 10px #17332455}
.map-node.complete .node-title{background:#e9f1de;color:#24472f;border-color:#668759}
.map-node.current{z-index:3;transform:translate(-50%,-23px)}
.map-node.current .node-circle{width:46px;height:46px;background:#1c5543;border:2px solid #ffebad;color:#fff6d2;outline:4px solid #fff9eaa8;box-shadow:0 0 0 8px #d7a837b3,0 6px 18px #17382b88;animation:map-beacon 3s ease-in-out infinite}
.map-node.current .node-title{background:#1c5543;border-color:#ecd68d;color:#fff6d6;font-weight:600}
.map-node.selected .node-title{text-decoration:none;outline:2px solid #a66e21;outline-offset:2px}
.map-node.current.selected .node-title{outline-color:#fff2b8}
.node-flag{position:absolute;left:50%;bottom:calc(100% + 9px);transform:translateX(-50%);display:flex;align-items:center;gap:5px;white-space:nowrap;padding:5px 8px;border-radius:4px 4px 4px 0;background:#a74729;color:#fff9de;border:1px solid #ffe6b4;box-shadow:0 2px 8px #25382260;font-size:8px;font-weight:700;letter-spacing:.3px}
.node-flag::after{content:'';position:absolute;top:100%;left:50%;border:4px solid transparent;border-top-color:#a74729}
.node-flag svg.icon{width:11px;height:11px;stroke-width:2}
.map-node:hover .node-circle{transform:translateY(-3px)}
.map-node:focus-visible{outline:3px solid #fff2b8;border-radius:8px;background:#214e433b}
.map-scene-status{position:absolute;right:12px;bottom:12px;z-index:4;padding:7px 10px;border-radius:4px;background:#214e43ed;color:#fff6d6;font-size:10px;max-width:280px}
.map-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:13px 17px;background:#f3f0df}
.map-footer .map-legend{position:static;display:flex;gap:17px;font-size:10px;color:#3b5341}
.map-footer .map-legend i{width:9px;height:9px;border:1px solid #746a44;background:#fff8df}
.map-footer .map-legend .legend-current{background:#214e43;border-color:#214e43;box-shadow:0 0 0 2px #ddbc68}
.map-footer .map-legend .legend-complete{background:#709763;border-color:#507b45}
.map-pan-hint{display:none;font-size:10px;color:#576b4e;line-height:1.5}
@keyframes map-beacon{50%{box-shadow:0 0 0 11px #dfb24d50,0 6px 18px #17382b88}}
@media(min-width:901px) and (max-width:1280px){.journey-layout{grid-template-columns:minmax(0,1fr)}.chapter-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 22px}.chapter-panel .chapter-overline{grid-column:1}.chapter-panel h3{grid-column:1;grid-row:2;margin-top:13px}.chapter-english{grid-column:1;grid-row:3}.chapter-story{grid-column:1;grid-row:4;margin-top:14px;min-height:0}.chapter-meta{grid-column:2;grid-row:2/4;margin-top:0;border-top:0;align-content:center}.chapter-panel .primary{grid-column:2;grid-row:4;align-self:center;margin-top:10px}.chapter-hint{grid-column:2;grid-row:5}}
@media(max-width:1000px){.map-canvas{min-width:760px;min-height:380px}.map-pan-hint{display:block}.map-footer{gap:8px}}
@media(max-width:640px){.map-placebar{padding:12px 14px}.map-placebar>div{gap:12px}.map-placebar small{font-size:7px;letter-spacing:1px}.map-placebar strong{font-size:18px}.map-controls{gap:8px;flex-wrap:wrap}.map-controls>div{margin-left:auto}.map-controls select{max-width:190px;font-size:10px}.map-controls .icon-button{width:32px;height:32px;min-height:32px}.map-footer{padding:12px 14px}.map-footer .map-legend{font-size:9px;gap:13px}.map-node{width:134px}}
@media(prefers-reduced-motion:reduce){.map-node.current .node-circle{animation:none}.map-node .node-circle{transition:none}}

/* A compact location marker; the full checklist opens only on request. */
.journey-progress{margin:14px 0;padding:14px 16px;border:1px solid #b9aa88;border-radius:12px;background:#fffaf0;color:#293b33;font-size:14px;line-height:1.65;text-align:left;overflow-wrap:anywhere}
.journey-progress p{margin:5px 0!important;font-size:inherit!important;line-height:1.65!important}.journey-progress strong{display:block}.journey-progress progress{display:block;width:100%;height:7px;margin:9px 0;accent-color:#456956}.journey-progress summary{cursor:pointer;font-weight:600}.journey-progress ol{padding-left:24px;margin:9px 0;max-height:240px;overflow:auto}.journey-progress li{padding:4px 0}.journey-progress [aria-current="step"]{font-weight:700;color:#804a29}.story-thread{border-left:3px solid #a47c41;padding:4px 14px;margin:16px 0;text-align:left}.story-thread p{font-size:15px;line-height:1.8;margin:8px 0}.story-thread b{color:#704a25}.scene-heading .journey-progress{max-width:440px;background:#fffaf0eb;padding:9px 13px;margin:10px 0;font-size:13px}.scene-heading .journey-progress p{letter-spacing:normal}.scene-heading .journey-progress strong{font-size:14px}.scene-heading .journey-progress details{display:none}@media(max-width:600px){.journey-progress{padding:10px 12px;font-size:13px}.scene-heading .journey-progress{max-width:calc(100vw - 40px)}.scene-heading .journey-progress .progress-note{display:none}}

.lesson-progress{flex-wrap:wrap}.lesson-progress>.journey-progress{flex:0 0 100%;box-sizing:border-box}