:root{--bg: #fff9f0;--surface: #ffffff;--text: #2d2418;--muted: #7a6a58;--primary: #ff8a3d;--primary-dark: #e56f20;--secondary: #5bbcff;--success: #4caf7d;--danger: #f07167;--target: #ffe08a;--radius: 20px;--shadow: 0 10px 30px rgba(80, 48, 10, .12);--app-max-width: 1200px;--content-max-width: 100%;--lesson-panel-width: 100%;--scene-max-h: min(42vh, 420px);--guided-timer-size: 148px;--guided-timer-btn-size: 96px;--btn-xl-pad-y: 18px;--btn-xl-margin-top: 20px;--practice-card-pad: 28px 20px 32px;--option-btn-pad: 22px 16px;--font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-hanzi: "Kaiti SC", "STKaiti", "KaiTi", "楷体", "BiauKai", "AR PL UKai CN", serif;font-family:var(--font-ui);line-height:1.5;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,rgba(255,200,120,.35),transparent 40%),radial-gradient(circle at bottom left,rgba(120,200,255,.25),transparent 35%),var(--bg)}button{font:inherit;cursor:pointer;border:none}.app{max-width:var(--app-max-width);margin:0 auto;min-height:100vh;padding:16px 20px 24px;display:flex;flex-direction:column;width:100%}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.app-brand-link{text-decoration:none;color:inherit}.app-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--primary-dark)}.app-brand-logo{width:auto;height:56px;border-radius:12px;object-fit:contain;flex-shrink:0}.app-brand-text{font-size:1.05rem;line-height:1.2;white-space:nowrap}.app-brand--lg .app-brand-logo{width:auto;height:112px}.app-brand--lg .app-brand-text{font-size:1.45rem}.app-brand--lg{flex-direction:column;gap:12px;text-align:center}.app-lesson{font-size:.95rem;color:var(--muted)}.app-footer{margin-top:auto;padding-top:24px;text-align:center;font-size:.85rem;color:var(--muted)}.banner{border-radius:12px;padding:10px 14px;margin-bottom:12px;font-size:.95rem}.banner-warn{background:#fff3cd;color:#8a6d00}.screen{flex:1;width:100%;animation:fadeIn .35s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.screen-title{margin:0 0 16px;font-size:clamp(1.5rem,4vw,2rem);text-align:center}.hint{text-align:center;color:var(--muted);font-size:.95rem;margin:12px 0 0}.btn{border-radius:999px;padding:12px 22px;font-weight:700;transition:transform .15s ease,box-shadow .15s ease}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--primary),#ffb347);color:#fff;box-shadow:0 8px 20px #ff8a3d59}.btn-secondary{background:#fff;color:var(--text);border:2px solid #f0e2d0}.btn-xl{width:100%;max-width:360px;font-size:1.25rem;padding:var(--btn-xl-pad-y) 24px;display:block;margin:var(--btn-xl-margin-top) auto 0}.welcome-screen{display:flex;align-items:center;justify-content:center}.welcome-card{background:var(--surface);border-radius:28px;padding:32px 24px;box-shadow:var(--shadow);text-align:center;width:100%;max-width:var(--content-max-width)}.welcome-kicker{margin:0;color:var(--muted);font-size:1rem}.welcome-title{margin:8px 0 16px;font-size:clamp(1.8rem,5vw,2.4rem)}.welcome-desc{margin:0 0 8px;color:var(--muted);font-size:1.05rem}.welcome-tip{margin:16px 0 0;font-size:.9rem;color:var(--muted)}.story-screen-title{margin-bottom:12px}.story-phase-kicker{margin:0 0 4px;text-align:center;font-size:.85rem;font-weight:700;color:var(--primary);letter-spacing:.04em}.story-book{width:100%;max-width:100%;margin:0;display:flex;flex-direction:column;gap:14px}.story-progress{display:flex;flex-direction:column;align-items:center;gap:8px}.story-progress-dots{display:flex;gap:10px;align-items:center}.story-progress-dot{width:12px;height:12px;padding:0;border-radius:50%;border:2px solid #e8d5c0;background:#fff;transition:transform .15s ease,background .2s ease,border-color .2s ease}.story-progress-dot:hover:not(.story-progress-dot-active){border-color:var(--primary);transform:scale(1.1)}.story-progress-dot-active{width:14px;height:14px;border-color:var(--primary);background:var(--primary)}.story-progress-dot-done{border-color:#ffc56d;background:#ffe8b8}.story-progress-dot:disabled{cursor:default;opacity:1}.story-progress-dot:disabled:hover{transform:none;border-color:#e8d5c0}.story-progress-dot-active:disabled{border-color:var(--primary)}.story-progress-dot-done:disabled{border-color:#ffc56d;background:#ffe8b8}.story-progress-label{font-size:.9rem;color:var(--muted);font-weight:600}.story-page{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}.scene-card{border-radius:0;min-height:0;position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0}.scene-emoji{font-size:4rem;line-height:1}.scene-emoji-decor{position:absolute;right:20px;bottom:16px;font-size:3rem;opacity:.85}.scene-caption{margin:12px 0 0;font-weight:700;font-size:1.1rem;background:#ffffffa6;padding:6px 14px;border-radius:999px}.scene-card-image{position:relative;background:linear-gradient(165deg,#fff4d6,#ffd27a 55%,#87ceeb);aspect-ratio:4 / 5;width:min(100%,calc(var(--scene-max-h) * 4 / 5));max-height:var(--scene-max-h);margin-inline:auto;flex-shrink:0;min-height:120px;overflow:hidden}.scene-fallback{flex:1;width:100%;display:flex;align-items:center;justify-content:center;position:relative;min-height:200px}.scene-img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;display:block}.scene-caption{position:absolute;left:50%;bottom:12px;transform:translate(-50%);margin:0;z-index:1}.story-text-panel{padding:20px 16px 24px;background:#fffdf8;border-top:3px solid #f5e8d8}.tianzi-sentence{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 4px;min-height:4.5rem;font-family:var(--font-hanzi)}.char-word-group{display:inline-flex;gap:2px}.char-cell{position:relative;display:inline-flex;align-items:center;justify-content:center;width:clamp(2.5rem,9vw,3.25rem);height:clamp(2.5rem,9vw,3.25rem);padding:0;border:1.5px solid #dcc9b0;border-radius:6px;background-color:#fff;color:var(--text);overflow:hidden;transition:background .35s ease,border-color .35s ease,box-shadow .35s ease,transform .15s ease}.char-cell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to right,transparent calc(50% - .5px),#eadfce calc(50% - .5px),#eadfce calc(50% + .5px),transparent calc(50% + .5px)),linear-gradient(to bottom,transparent calc(50% - .5px),#eadfce calc(50% - .5px),#eadfce calc(50% + .5px),transparent calc(50% + .5px));pointer-events:none}.char-cell-text{position:relative;z-index:1;font-family:var(--font-hanzi);font-size:clamp(1.35rem,4.5vw,1.75rem);font-weight:400;line-height:1}.char-cell:hover{border-color:#ffc56d;background-color:#fff9f0}.char-cell:active{transform:scale(.96)}.char-cell-target{background-color:#fff6dc;border-color:#ffc56d}.char-cell-reading{background-color:#ffd6a08c!important;border-color:var(--primary)!important;box-shadow:0 0 0 2px #ff8a3d40}.char-cell-target.char-cell-reading{background-color:#ffdcafb8!important}.char-punct{font-family:var(--font-hanzi);font-size:clamp(1.2rem,4vw,1.5rem);font-weight:400;color:var(--muted);padding:0 2px;align-self:center}.story-text-panel-skim{padding:16px 20px 22px}.skim-sentence{margin:0;text-align:center;font-size:clamp(1.1rem,3.5vw,1.35rem);line-height:1.75;color:var(--muted);font-weight:600}.char-cell-readonly{cursor:default;pointer-events:none}.char-cell-readonly:hover{border-color:#dcc9b0;background-color:#fff}.tianzi-option-label{display:inline-flex;gap:4px;justify-content:center;font-family:var(--font-hanzi)}.char-cell-option{width:clamp(2.2rem,8vw,2.8rem);height:clamp(2.2rem,8vw,2.8rem);cursor:inherit}.char-cell-option .char-cell-text{font-size:clamp(1.2rem,4vw,1.55rem)}.option-btn-tianzi{padding:16px 20px;display:flex;align-items:center;justify-content:center}.options-grid-tianzi{gap:12px}.story-nav{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center}.story-nav-btn{min-width:5em}.story-nav-guided .guided-complete-btn{display:inline-flex;flex-direction:row;align-items:center;justify-content:center;gap:8px;min-width:8.5em}.guided-complete-time{font-variant-numeric:tabular-nums;font-weight:700;color:var(--muted)}.guided-complete-btn--ready{border-color:#9fd4b5;color:#2d6b4a}.guided-complete-btn--ready .guided-complete-time{color:#2d6b4a}.story-hint{text-align:center;margin:0}.story-click-hint{text-align:center;margin:8px 0 0;font-size:.95rem}.story-complete-btn{display:block;margin:4px auto 0}.story-skim-actions{display:flex;flex-direction:row;gap:10px;margin-top:4px}.story-skim-actions .btn{flex:1;min-width:0}.story-end-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:24px 16px}.story-end-modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#2e201261}.story-end-modal-card{position:relative;z-index:1;width:min(100%,360px);padding:28px 22px 22px;border-radius:20px;background:#fffdf8;box-shadow:0 16px 40px #2e20122e;text-align:center}.story-end-modal-title{margin:0 0 20px;font-size:1.35rem;font-weight:800;color:#3a2a1a}.story-end-modal-actions{display:flex;flex-direction:column;gap:10px}.story-end-modal-actions .btn{width:100%;margin:0}.btn-speed{min-width:5.5em}.practice-progress{text-align:center;color:var(--muted);margin:0 0 4px}.practice-card{background:var(--surface);border-radius:var(--radius);padding:var(--practice-card-pad);box-shadow:var(--shadow);width:100%;max-width:100%;margin:0 auto}.btn-listen{display:block;margin:0 auto 24px;background:#eef8ff;color:#1a6fa8;font-size:1.2rem;padding:16px 28px;border-radius:999px;border:2px solid #cce9ff}.options-grid{display:grid;gap:14px}.option-btn{background:#fff;border:3px solid #f0e2d0;border-radius:18px;padding:var(--option-btn-pad);font-size:clamp(1.5rem,4.5vw,2rem);font-weight:800;transition:border-color .2s,background .2s,transform .15s}.option-btn:not(:disabled):hover{border-color:var(--secondary);transform:translateY(-2px)}.option-correct{border-color:var(--success);background:#e8f8ef}.option-wrong{border-color:var(--danger);background:#fff0ee}.summary-score{text-align:center;font-size:1.2rem;margin:0}.summary-praise{text-align:center;font-size:1.35rem;font-weight:700;margin:8px 0 20px;color:var(--primary-dark)}.char-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;width:100%;max-width:720px;margin:0 auto;font-family:var(--font-hanzi)}@media(max-width:420px){.char-grid{grid-template-columns:repeat(5,1fr);gap:8px}}.char-card{aspect-ratio:1;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f5f0ea;border:2px solid #eadfce;transition:background .45s ease,border-color .45s ease,box-shadow .45s ease,transform .35s ease,opacity .35s ease}.char-card:disabled{cursor:default}.char-unlit{background:#ebe6df;border-color:#d8cfc4;opacity:.82}.char-unlit .char-main{color:#b8aea3}.char-unlit .char-pinyin{color:#c4bab0;letter-spacing:.05em}.char-lit{background:linear-gradient(145deg,#fff8e8,#ffe4b5);border-color:#ffc56d;box-shadow:0 6px 14px #ffaa3c40;opacity:1}.char-card--pop{animation:charLightPop .45s ease}@keyframes charLightPop{0%{transform:scale(.9)}55%{transform:scale(1.07)}to{transform:scale(1)}}.char-missed{opacity:.55;border-style:dashed}.char-missed .char-main{color:#c9bfb4}.char-card--placeholder{visibility:hidden;pointer-events:none}.char-card--fly-to-bag{animation:flyToBag .55s ease-in forwards;z-index:12;pointer-events:none}@keyframes flyToBag{0%{transform:scale(1) translateY(0);opacity:1}65%{transform:scale(.72) translateY(42px);opacity:.95}to{transform:scale(.28) translateY(96px);opacity:0}}.collect-bag{position:relative;width:100%;max-width:360px;margin:16px auto 0;padding:14px 16px 12px;border-radius:20px;background:linear-gradient(160deg,#fff8ec,#ffe8bc);border:2px solid #f2c56d;box-shadow:0 10px 24px #ffa0322e;text-align:center}.collect-bag--bounce{animation:bagBounce .32s ease}@keyframes bagBounce{0%{transform:scale(1)}40%{transform:scale(1.06)}to{transform:scale(1)}}.collect-bag-icon{font-size:2.4rem;line-height:1;display:block}.collect-sparkles{position:absolute;top:6px;right:14px;font-size:1.1rem;animation:sparklePulse 1.2s ease-in-out infinite}@keyframes sparklePulse{0%,to{opacity:.55;transform:scale(.95)}50%{opacity:1;transform:scale(1.08)}}.collect-bag-label{margin:6px 0 0;font-size:.88rem;font-weight:700;color:var(--primary-dark)}.collect-bag-sublabel{margin:2px 0 8px;font-size:.78rem;color:var(--muted)}.collect-bag-chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;min-height:28px}.collect-bag-chip{min-width:34px;height:34px;padding:0 6px;border-radius:10px;border:2px solid #ffc56d;background:linear-gradient(145deg,#fff8e8,#ffe4b5);font-family:var(--font-hanzi);font-size:1rem;font-weight:400;color:var(--text);box-shadow:0 4px 10px #ffaa3c33;cursor:pointer}.collect-bag-chip:active{transform:scale(.96)}.collect-bag-chip--new{border-color:#ff9f2e}.collect-bag-chip--repeat{opacity:.72;border-style:dashed}.char-repeat.char-lit{box-shadow:0 4px 10px #ffaa3c26}@media(prefers-reduced-motion:reduce){.char-card{transition:none}.char-card--pop,.char-card--fly-to-bag,.collect-bag--bounce,.collect-sparkles{animation:none}}.char-main{font-family:var(--font-hanzi);font-size:clamp(1.6rem,5vw,2rem);font-weight:400;line-height:1}.char-pinyin{margin-top:4px;font-size:.72rem;color:var(--muted)}.summary-next{text-align:center;margin:20px 0 0;color:var(--muted);font-size:1rem}.summary-next--done{padding:12px 16px;border-radius:14px;background:#fff8ee;border:1px solid #f0dfc8}.summary-next-preview{display:flex;gap:14px;align-items:center;width:100%;max-width:720px;margin:20px auto 0;padding:14px;border-radius:18px;background:linear-gradient(135deg,#fffaf2,#fff3dc);border:2px solid #f5ddb0;box-shadow:0 8px 20px #ffaa3c1f;text-align:left}.summary-next-cover{flex:0 0 72px;width:72px;height:72px;border-radius:14px;overflow:hidden;background:#f5f0ea;display:flex;align-items:center;justify-content:center}.summary-next-cover-img{width:100%;height:100%;object-fit:cover}.summary-next-cover-fallback{font-size:2rem;line-height:1}.summary-next-body{min-width:0;flex:1}.summary-next-kicker{margin:0;font-size:.78rem;font-weight:700;color:var(--primary-dark);letter-spacing:.02em}.summary-next-title{margin:4px 0 0;font-size:1rem;font-weight:800;color:var(--text)}.summary-next-hook{margin:6px 0 0;font-size:.92rem;line-height:1.45;color:var(--muted)}.summary-actions{display:flex;gap:10px;width:100%;max-width:720px;margin:20px auto 0}.summary-action-btn{flex:1;min-width:0}.summary-back-picker{display:block;width:100%;max-width:720px;margin:12px auto 0}@media(max-height:900px)and (max-width:600px){:root{--scene-max-h: min(36vh, 340px);--guided-timer-size: 112px;--guided-timer-btn-size: 78px;--btn-xl-pad-y: 14px;--btn-xl-margin-top: 12px;--practice-card-pad: 18px 16px 20px;--option-btn-pad: 14px 12px}.app{padding:10px 16px 16px}.app-header{margin-bottom:6px}.screen-title{margin-bottom:8px;font-size:clamp(1.25rem,3.2vw,1.65rem)}.story-phase-kicker{font-size:.78rem}.story-book{gap:10px}.btn-listen{margin-bottom:14px;padding:12px 22px;font-size:1.05rem}.options-grid{gap:10px}.option-btn{font-size:clamp(1.25rem,3.5vw,1.65rem)}.char-grid{max-width:520px;gap:8px}.summary-praise{margin:4px 0 12px;font-size:1.15rem}.summary-next-preview,.summary-actions{margin-top:12px}.summary-next-cover{flex-basis:56px;width:56px;height:56px}}@media(max-height:500px){:root{--scene-max-h: min(30vh, 260px);--guided-timer-size: 96px;--guided-timer-btn-size: 68px}.story-phase-kicker{display:none}.screen-title.story-screen-title{margin-bottom:6px;font-size:clamp(1.1rem,2.8vw,1.4rem)}}@media(min-width:768px)and (min-height:600px){:root{--guided-timer-size: 168px;--guided-timer-btn-size: 108px;--btn-xl-pad-y: 20px;--btn-xl-margin-top: 24px;--practice-card-pad: 32px 28px 36px;--option-btn-pad: 26px 20px}html{font-size:125%}.app{padding:12px 16px 20px}.app-header{margin-bottom:8px}.screen-title{font-size:clamp(1.75rem,3vw,2.35rem)}.story-phase-kicker{font-size:.95rem}.screen-title.story-screen-title{margin-bottom:6px;font-size:clamp(1.6rem,2.8vw,2.1rem)}.btn-xl{max-width:420px;font-size:1.35rem}.story-book,.story-page{width:100%;max-width:960px;margin-inline:auto}.scene-card-image{width:100%;max-width:none;max-height:none;aspect-ratio:auto;height:auto;min-height:0;flex-shrink:0}.scene-card-image .scene-img{position:static;width:100%;height:auto;object-fit:contain;display:block}.scene-card-image .scene-fallback{min-height:420px;aspect-ratio:4 / 5}.char-cell{width:clamp(3.6rem,7.5vw,5.75rem);height:clamp(3.6rem,7.5vw,5.75rem)}.char-cell-text{font-size:clamp(1.9rem,4vw,3rem)}.char-punct{font-size:clamp(1.6rem,3.2vw,2.4rem)}.char-cell-option{width:clamp(3rem,5.5vw,4.25rem);height:clamp(3rem,5.5vw,4.25rem)}.char-cell-option .char-cell-text{font-size:clamp(1.6rem,3vw,2.3rem)}.option-btn{font-size:clamp(1.75rem,3vw,2.3rem)}.skim-sentence{font-size:clamp(1.4rem,2.6vw,1.8rem)}.char-grid{max-width:900px;gap:16px}.story-text-panel{padding:28px 32px 32px}.tianzi-sentence{gap:10px 8px;min-height:5.5rem}.story-nav-btn{min-width:6em;padding:14px 26px;font-size:1.05rem}.story-progress{gap:10px}.story-progress-dot{width:16px;height:16px}.story-progress-dot-active{width:18px;height:18px}.story-progress-label{font-size:1rem}.btn-listen{font-size:1.3rem;padding:18px 32px}.speed-toggle-btn{min-width:2.8rem;padding:8px 14px;font-size:1rem}.btn-back{width:3.25rem;height:3.25rem}}@media(min-width:1024px)and (min-height:600px){.story-book,.story-page{max-width:1040px}html{font-size:131.25%}.btn-xl{max-width:480px}}@media(min-width:900px)and (orientation:landscape)and (min-height:600px){.story-book,.story-page{max-width:1100px}.story-page{flex-direction:row;align-items:stretch}.scene-card-image{width:min(48%,520px);flex:0 0 auto;align-self:center}.story-text-panel{flex:1;border-top:none;border-left:3px solid #f5e8d8;display:flex;align-items:center;justify-content:center;padding:20px 28px;min-width:0}.screen-title.story-screen-title{font-size:clamp(1.35rem,2.2vw,1.75rem)}.char-cell{width:clamp(3.2rem,5.5vw,4.75rem);height:clamp(3.2rem,5.5vw,4.75rem)}.char-cell-text{font-size:clamp(1.7rem,3vw,2.5rem)}}.login-screen{position:relative;display:flex;align-items:center;justify-content:center;min-height:min(78vh,720px);padding:12px 8px 40px;overflow:hidden}.login-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,400px);gap:40px 56px;align-items:center;width:100%;max-width:1040px}.login-hook{min-width:0;padding:8px 12px 8px 4px}.login-hook-brand{margin:0 0 18px;color:var(--primary-dark);font-family:var(--font-hanzi);font-size:clamp(2.6rem,4.2vw,3.4rem);font-weight:800;letter-spacing:.04em;line-height:1.15}.login-hook-title{margin:0 0 10px;min-height:1.35em;color:var(--text);font-family:var(--font-hanzi);font-size:clamp(1.25rem,2.2vw,1.55rem);font-weight:700;line-height:1.4}.login-hook-sub{margin:0;min-height:1.5em;color:var(--muted);font-size:1rem;line-height:1.55}.login-hook-caret{display:inline-block;width:.08em;height:.95em;margin-left:.08em;vertical-align:-.08em;background:var(--primary-dark);animation:login-caret-blink .9s steps(1) infinite}@keyframes login-caret-blink{0%,45%{opacity:1}50%,to{opacity:0}}.atmosphere-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;overflow:hidden;opacity:0;transition:opacity 1.6s ease}.atmosphere-backdrop.is-visible{opacity:1}.atmosphere-backdrop.is-hidden{opacity:0}.atmosphere-backdrop--quiet .atmosphere-char{font-weight:500}@media(max-width:900px){.login-layout{grid-template-columns:1fr;gap:20px;max-width:420px}.login-hook{text-align:center}.login-hook-brand{font-size:clamp(2.3rem,9vw,2.9rem)}.login-hook-title{font-size:clamp(1.15rem,4.5vw,1.4rem)}.login-card{justify-self:center;max-width:420px}}@media(prefers-reduced-motion:reduce){.atmosphere-backdrop{transition:none}.login-hook-caret{animation:none}}.atmosphere-scene{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;-webkit-user-select:none;user-select:none;overflow:hidden}.atmosphere-spotlight{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;transition:opacity .25s ease;mix-blend-mode:soft-light}.atmosphere-images,.atmosphere-chars{position:absolute;top:0;right:0;bottom:0;left:0}.atmosphere-images{z-index:0}.atmosphere-chars{z-index:2}.atmosphere-image{position:absolute;border-radius:22px;overflow:hidden;box-shadow:0 18px 40px #50300a1f;transition:transform .18s ease-out,filter .18s ease-out,opacity .18s ease-out;will-change:transform,filter,opacity}.atmosphere-image img{display:block;width:100%;height:auto;aspect-ratio:4 / 3;object-fit:cover;transform:scale(1.06)}.atmosphere-char-wrap{position:absolute;transform-origin:center center;transition:transform .14s ease-out;will-change:transform}.atmosphere-char-wrap.is-hot .atmosphere-char{animation-play-state:paused}.atmosphere-char{display:block;font-family:var(--font-hanzi);font-weight:700;line-height:1;transition:color .14s ease-out,text-shadow .14s ease-out,opacity .14s ease-out;animation-name:atmosphere-drift;animation-timing-function:ease-in-out;animation-iteration-count:infinite;will-change:transform,opacity}.login-card{position:relative;z-index:1;justify-self:end;background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:28px;padding:32px 24px;box-shadow:var(--shadow);width:100%;max-width:380px}@keyframes atmosphere-drift{0%,to{transform:translateZ(0)}40%{transform:translate3d(0,-6px,0)}70%{transform:translate3d(2px,4px,0)}}@media(prefers-reduced-motion:reduce){.atmosphere-char{animation:none}.atmosphere-char-wrap,.atmosphere-image{transition:none}}@media(max-width:520px){.atmosphere-scene{transform:scale(.92);transform-origin:50% 40%}}.login-card h1{margin:0 0 8px;text-align:center}.login-card .welcome-desc{margin-top:0;margin-bottom:20px}.login-field{margin-bottom:16px}.login-field label{display:block;margin-bottom:6px;color:var(--muted);font-size:.95rem}.login-field input{width:100%;padding:14px 16px;border:2px solid #f0e2d0;border-radius:14px;font-size:1.1rem}.login-error{color:var(--danger);text-align:center;margin:8px 0}.login-beian{position:absolute;left:0;right:0;bottom:10px;z-index:1;margin:0;text-align:center;font-size:.78rem;line-height:1.4}.login-beian a{color:var(--muted);text-decoration:none}.login-beian a:hover{color:var(--primary-dark);text-decoration:underline}.nav-links{display:flex;gap:12px}.nav-links a{color:var(--primary-dark);text-decoration:none;font-weight:600}.parent-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px}.stat-card{background:var(--surface);border-radius:16px;padding:16px;box-shadow:var(--shadow);text-align:center}.stat-value{font-size:1.8rem;font-weight:800;color:var(--primary-dark)}.stat-label{font-size:.9rem;color:var(--muted)}.wrong-list,.lesson-list{background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:16px}.wrong-list h3,.lesson-list h3{margin:0 0 12px}.wrong-item,.lesson-item{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #f0e2d0}.wrong-item:last-child,.lesson-item:last-child{border-bottom:none}.status-badge{font-size:.85rem;padding:2px 10px;border-radius:999px;background:#fff3cd}.status-completed{background:#e8f8ef}.status-not_started{background:#f5f0ea}.growth-charts-panel{display:grid;gap:16px;margin-bottom:20px}.growth-chart{background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.growth-chart h3{margin:0 0 12px;font-size:1rem}.growth-chart-empty{margin:0;text-align:center;padding:24px 8px}.growth-chart-svg{width:100%;height:auto;display:block}.growth-chart-grid{stroke:#f0e2d0;stroke-width:1}.growth-chart-y-label,.growth-chart-value{font-size:10px;fill:var(--muted);font-weight:600}.growth-chart-value{fill:var(--primary-dark);font-size:11px;font-weight:700}.growth-chart-line{stroke:var(--primary);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.growth-chart-dot{fill:var(--primary-dark)}.growth-chart-labels{display:flex;justify-content:space-between;gap:4px;margin-top:8px;font-size:.75rem;color:var(--muted)}.growth-bar-chart{display:flex;align-items:flex-end;gap:8px;height:140px;padding-top:8px}.growth-bar-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;gap:4px}.growth-bar-value{font-size:.7rem;font-weight:700;color:var(--primary-dark);min-height:1em}.growth-bar{width:100%;max-width:36px;background:linear-gradient(180deg,#7ec8a8 0%,var(--primary) 100%);border-radius:8px 8px 4px 4px;min-height:8px}.growth-bar-label{font-size:.75rem;color:var(--muted)}.options-grid-find-char{grid-template-columns:repeat(3,minmax(0,1fr));max-width:420px;margin:0 auto}.placement-screen{text-align:center;max-width:480px;margin:0 auto}.placement-intro{line-height:1.7;margin:20px 0 28px}.placement-result-card{background:var(--surface);border-radius:var(--radius);padding:24px;margin:20px 0 28px;box-shadow:var(--shadow)}.placement-result-score{font-size:1.2rem;margin:0 0 8px}.placement-result-note{margin-top:12px}.daily-review-card{display:flex;align-items:center;gap:14px;width:100%;max-width:var(--content-max-width);margin:0 auto 20px;padding:16px 18px;border-radius:20px;border:2px solid #f5ddb0;box-shadow:0 8px 20px #ffaa3c1a;text-align:left}.daily-review-card--active{background:linear-gradient(135deg,#fff8ee,#ffe8c8);border-color:#ffc878}.daily-review-card--done{background:linear-gradient(135deg,#f4fff8,#e0f8ea);border-color:#b8e8cc;box-shadow:0 8px 20px #4caf7d1a}.daily-review-card--rest{background:linear-gradient(135deg,#f5fbff,#e8f4ff);border-color:#c8e4ff;box-shadow:0 8px 20px #5bbcff1a}.daily-review-icon{flex:0 0 52px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;line-height:1;border-radius:16px;background:#ffffffb8;box-shadow:inset 0 0 0 2px #fffc}.daily-review-body{flex:1;min-width:0}.daily-review-kicker{margin:0;font-size:.78rem;font-weight:700;color:var(--primary-dark);letter-spacing:.02em}.daily-review-card--done .daily-review-kicker{color:var(--success)}.daily-review-card--rest .daily-review-kicker{color:#2a7ab8}.daily-review-message{margin:4px 0 0;font-size:.95rem;line-height:1.45;color:var(--text);font-weight:600}.daily-review-count{display:inline-flex;align-items:center;justify-content:center;min-width:1.5em;padding:0 6px;border-radius:999px;background:var(--primary);color:#fff;font-size:.95rem;font-weight:800;line-height:1.5}.daily-review-time{font-weight:500;color:var(--muted);font-size:.88rem}.daily-review-btn{flex-shrink:0;padding:12px 18px;border-radius:999px;font-size:.95rem;font-weight:800;white-space:nowrap}.daily-review-badge{flex-shrink:0;font-size:.82rem;font-weight:800;padding:8px 14px;border-radius:999px;white-space:nowrap}.daily-review-badge--done{color:var(--success);background:#ffffffd9;border:2px solid #b8e8cc}.daily-review-badge--rest{font-size:1.5rem;padding:4px 8px;background:#ffffffb8;border-radius:14px;line-height:1}@media(max-width:480px){.daily-review-card{flex-wrap:wrap;padding:14px 16px}.daily-review-btn{width:100%;margin-top:4px}.daily-review-badge--done{margin-left:auto}}.lesson-picker{display:grid;gap:16px;max-width:var(--content-max-width);width:100%;margin:0 auto;grid-template-columns:repeat(5,minmax(0,1fr))}@media(max-width:900px){.lesson-picker{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:560px){.lesson-picker{grid-template-columns:repeat(2,minmax(0,1fr))}}.lesson-pick-card{background:var(--surface);border:3px solid #f0e2d0;border-radius:20px;padding:12px;display:flex;flex-direction:column;align-items:stretch;gap:10px;text-align:center;transition:border-color .2s,transform .15s}.lesson-pick-card:hover:not(:disabled){border-color:var(--primary);transform:translateY(-2px)}.lesson-pick-cover{width:100%;height:auto;aspect-ratio:4 / 3;border-radius:14px;overflow:hidden;background:linear-gradient(165deg,#fff4d6,#ffd27a 55%,#87ceeb);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:inset 0 0 0 1px #0000000f}.lesson-pick-cover-img{width:100%;height:100%;object-fit:cover;display:block}.lesson-pick-cover-fallback{font-size:2.2rem;line-height:1}.lesson-pick-meta{display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;min-width:0}.lesson-pick-status{display:flex;justify-content:center}.lesson-pick-num{color:var(--muted);font-size:.82rem}.lesson-pick-title{font-size:1rem;font-weight:800;line-height:1.3;word-break:break-word}.lesson-pick-badge--progress{color:var(--primary-dark);background:#fff3e8}.lesson-pick-badge--todo{color:var(--muted);background:#f5f0ea}.season-header{text-align:center;margin-bottom:28px}.season-header--compact{margin-bottom:20px}.season-kicker{margin:0 0 4px;font-size:.85rem;font-weight:700;color:var(--primary);letter-spacing:.04em}.season-title{margin-bottom:6px}.season-subtitle{margin:0 0 16px;color:var(--muted);font-size:.95rem}.season-progress{max-width:var(--content-max-width);margin:0 auto}.season-progress-meta{display:flex;justify-content:space-between;gap:12px;font-size:.88rem;color:var(--muted);margin-bottom:8px}.season-next-hint{color:var(--primary-dark);font-weight:700}.season-progress-track{height:10px;border-radius:999px;background:#f0e2d0;overflow:hidden}.season-progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#ffb347);transition:width .35s ease}.season-section{margin-bottom:28px}.season-section-title{margin:0 0 12px;font-size:1rem;font-weight:800;color:var(--text);padding-left:4px}.lesson-pick-card--recommended{border-color:var(--primary);box-shadow:0 0 0 2px #ff8a3d33}.lesson-pick-card--completed{opacity:.88}.lesson-pick-badge{grid-column:2;justify-self:start;margin-top:2px;font-size:.78rem;font-weight:700;color:var(--primary-dark);background:#fff3e8;padding:2px 8px;border-radius:999px}.lesson-pick-badge--done{color:var(--success);background:#e8f8ef}.lesson-top-bar{width:100%;max-width:100%;margin:0 0 8px;display:flex;justify-content:flex-start}.lesson-top-bar--center{justify-content:center}.lesson-top-bar-with-speed{justify-content:space-between;align-items:center}.speed-toggle{display:inline-flex;background:#fff;border:2px solid #f0e2d0;border-radius:999px;padding:3px;gap:2px;box-shadow:0 4px 12px #50300a14}.speed-toggle-btn{min-width:2.4rem;padding:6px 10px;border-radius:999px;background:transparent;color:var(--muted);font-size:.88rem;font-weight:700;transition:background .2s ease,color .2s ease}.speed-toggle-btn-active{background:linear-gradient(180deg,#fff4e8,#ffe2bf);color:var(--primary-dark);box-shadow:inset 0 0 0 1px #ffd4a8}.lesson-steps-screen{width:100%;max-width:100%;margin:0}.lesson-steps-hero{position:relative;text-align:center;margin-bottom:24px;width:100%}.lesson-steps-title{margin-bottom:8px;font-size:clamp(1.6rem,4.5vw,2.2rem)}.lesson-steps-subtitle{margin:0;color:var(--muted);font-size:1.05rem}.lesson-steps-list{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:14px;width:100%}.lesson-step-card{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:22px 28px;border-radius:18px;border:3px solid #f0e2d0;background:var(--surface);text-align:left;box-shadow:var(--shadow);transition:border-color .2s ease,transform .15s ease}@media(max-height:900px)and (max-width:600px){.lesson-steps-hero{margin-bottom:12px}.lesson-steps-title{font-size:clamp(1.3rem,3.5vw,1.7rem)}.lesson-steps-subtitle{font-size:.95rem}.lesson-steps-list{gap:8px;margin-bottom:12px}.lesson-step-card{gap:12px;padding:12px 16px}.lesson-step-order{width:2rem;height:2rem;font-size:.95rem}.lesson-step-title{font-size:1.05rem}.lesson-step-desc{font-size:.88rem}.guided-timer-wrap{gap:6px}.guided-timer-hint{font-size:.82rem}.guided-story-book{gap:12px}}@media(min-width:700px){.lesson-steps-list{grid-template-columns:1fr 1fr}}@media(min-width:768px)and (min-height:600px){.lesson-steps-title{font-size:clamp(1.7rem,2.8vw,2.2rem)}.lesson-steps-subtitle{font-size:1.05rem}.lesson-step-card{gap:16px;padding:18px 22px}.lesson-step-order{width:2.75rem;height:2.75rem;font-size:1.15rem}.lesson-step-title{font-size:1.2rem}.lesson-step-desc{font-size:.98rem}.guided-story-scroll{max-height:min(62vh,640px);padding:22px 20px}.guided-timer-hint{font-size:.95rem}}.lesson-step-card-active:not(:disabled):hover{border-color:var(--primary);transform:translateY(-1px)}.lesson-step-card-done{border-color:#d8f0e4;background:#f8fffb}.lesson-step-card-locked{opacity:.55;cursor:not-allowed}.lesson-step-order{width:2.5rem;height:2.5rem;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fff3e8;color:var(--primary-dark);font-weight:800;font-size:1.1rem;flex-shrink:0}.lesson-step-card-done .lesson-step-order{background:#e8f8ef;color:var(--success)}.lesson-step-body{display:flex;flex-direction:column;gap:4px}.lesson-step-title{font-size:1.25rem;font-weight:800;color:var(--text)}.lesson-step-desc{font-size:1rem;color:var(--muted)}.lesson-step-status{font-size:1.35rem;flex-shrink:0}.lesson-step-check{display:inline-flex;width:1.85rem;height:1.85rem;color:var(--success)}.lesson-step-check svg{width:100%;height:100%}.lesson-complete-stamp{position:absolute;top:50%;right:clamp(0px,4vw,24px);transform:translateY(-50%) rotate(-14deg);padding:10px 16px;border:3px solid #d63031;border-radius:10px;color:#d63031;font-size:clamp(1.1rem,3vw,1.35rem);font-weight:900;letter-spacing:.2em;text-indent:.2em;line-height:1;opacity:.88;background:#fffcfab8;box-shadow:inset 0 0 0 1px #d6303159,0 2px 8px #d630311f;pointer-events:none;-webkit-user-select:none;user-select:none}.lesson-steps-cta{display:block;margin:0 auto;max-width:480px;width:100%}.lesson-steps-hint{text-align:center;margin-top:12px}.btn-back{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;padding:0;border:3px solid #ffd4a8;border-radius:50%;background:linear-gradient(180deg,#fffdf8,#ffe8cc);color:#d4621a;box-shadow:0 4px 14px #ff8a3d2e,inset 0 1px #ffffffd9;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;text-decoration:none;flex-shrink:0}a.btn-back{color:#d4621a}.btn-back:hover{transform:translateY(-1px) scale(1.04);border-color:var(--primary);box-shadow:0 6px 18px #ff8a3d47,inset 0 1px #ffffffe6}.btn-back:active{transform:translateY(0) scale(.98)}.btn-back-icon{width:1.4rem;height:1.4rem;display:block;margin-left:-1px}.season-switch-row{display:inline-flex;align-items:center;gap:10px;margin:8px auto 0}.season-switch-label{font-size:.95rem;font-weight:700;color:var(--primary-dark)}.series-home{position:relative;width:100%;min-height:min(70vh,640px);overflow:hidden}.series-home-inner{position:relative;z-index:1;max-width:720px;margin:0 auto}.series-picker{display:grid;gap:16px;margin-top:8px}.series-card{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;width:100%;padding:20px 22px;border-radius:20px;border:3px solid #f0e2d0;background:var(--surface);text-align:left;box-shadow:var(--shadow);transition:border-color .2s ease,transform .15s ease}.series-card:hover{border-color:var(--primary);transform:translateY(-1px)}.series-card--active{border-color:#ffd4a8;background:linear-gradient(180deg,#fffaf5,#fff3e8)}.series-card-cover{width:88px;height:88px;border-radius:16px;overflow:hidden;flex-shrink:0;background:linear-gradient(145deg,#fff3e8,#e8f4ff);display:flex;align-items:center;justify-content:center}.series-card-cover-img{width:100%;height:100%;object-fit:cover;display:block}.series-card-cover-fallback,.series-card-emoji{font-size:2.4rem;line-height:1}.series-card-body{display:flex;flex-direction:column;gap:6px;min-width:0}.series-card-title-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.series-card-title{font-size:1.2rem;font-weight:800;color:var(--text)}.series-card-badge{font-size:.75rem;font-weight:700;color:var(--primary-dark);background:#fff3e8;padding:2px 8px;border-radius:999px}.series-card-tagline,.series-card-progress{font-size:.92rem;color:var(--muted)}.series-card-arrow{font-size:.95rem;font-weight:700;color:var(--primary-dark);white-space:nowrap}.story-screen-guided .guided-story-book{display:flex;flex-direction:column;gap:20px}.guided-story-scroll{width:100%;max-height:min(52vh,420px);overflow-y:auto;padding:18px 14px;border-radius:18px;background:#fffdf8;border:3px solid #f5e8d8;-webkit-overflow-scrolling:touch}.guided-sentence-block{padding:10px 0}.guided-sentence-block+.guided-sentence-block{border-top:1px dashed #eadfce}.guided-timer-wrap{display:flex;flex-direction:column;align-items:center;gap:10px}.guided-timer{position:relative;width:var(--guided-timer-size, 148px);height:var(--guided-timer-size, 148px);display:flex;align-items:center;justify-content:center}.guided-timer-ring{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;transform:rotate(-90deg)}.guided-timer-track{fill:none;stroke:#d4f0e0;stroke-width:10}.guided-timer-progress{fill:none;stroke:var(--success);stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset 1s linear}.guided-timer--ended .guided-timer-progress{stroke:#3d9a6a}.guided-timer-btn{position:relative;z-index:1;width:var(--guided-timer-btn-size, 96px);height:var(--guided-timer-btn-size, 96px);border-radius:50%;border:3px solid #b8e8cc;background:linear-gradient(145deg,#f0fff6,#d8f5e4);color:#2d6b4a;font-size:.95rem;font-weight:800;line-height:1.25;padding:8px;box-shadow:0 6px 18px #4caf7d40;transition:transform .15s ease,box-shadow .15s ease}.guided-timer-btn:active{transform:scale(.96)}.guided-timer-remaining{position:absolute;bottom:-2px;left:50%;transform:translate(-50%);font-size:.82rem;font-weight:700;color:var(--success);background:#ffffffeb;padding:2px 10px;border-radius:999px;border:2px solid #d4f0e0}.guided-timer-hint{margin:0;text-align:center;font-size:.92rem;color:var(--muted);max-width:280px;line-height:1.45}.guided-timer-wrap:has(.guided-timer--ended) .guided-timer-hint{color:#2d6b4a;font-weight:600}.child-avatar{display:inline-flex;align-items:center;justify-content:center;width:3rem;height:3rem;border-radius:50%;font-size:1.55rem;border:3px solid rgba(255,255,255,.9);box-shadow:0 4px 14px #50300a1f;flex-shrink:0}.child-avatar--sm{width:2.4rem;height:2.4rem;font-size:1.2rem}.child-avatar--lg{width:4.5rem;height:4.5rem;font-size:2.4rem}.child-profile-banner,.parent-child-profile{display:flex;align-items:center;gap:14px;padding:14px 16px;margin-bottom:16px;border-radius:var(--radius);background:linear-gradient(135deg,#fff8ee,#fff 55%,#f0f8ff);border:2px solid #ffe4c8;box-shadow:var(--shadow)}.child-profile-banner-body,.parent-child-profile-body{flex:1;min-width:0}.child-profile-greeting,.parent-child-profile-name{margin:0;font-size:1.15rem;font-weight:700;color:var(--text)}.parent-child-profile-name{font-size:1.25rem}.child-profile-meta,.parent-child-profile-meta{margin:4px 0 0;font-size:.88rem;color:var(--muted)}.child-profile-settings-link{flex-shrink:0;font-size:.88rem;font-weight:700;color:var(--primary-dark);text-decoration:none;padding:8px 12px;border-radius:999px;background:#ff8a3d1f}.child-profile-settings-link:hover{background:#ff8a3d33}.child-settings-screen{max-width:520px;margin:0 auto}.child-settings-top{display:flex;align-items:center;gap:12px;margin-bottom:8px}.child-settings-title{margin:0;font-size:1.35rem}.child-settings-form{display:flex;flex-direction:column;gap:18px}.child-settings-preview{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.child-settings-preview-name{margin:0;font-size:1.2rem;font-weight:800;color:var(--primary-dark)}.child-settings-field{border:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.child-settings-field legend,.child-settings-field>label{font-size:.95rem;font-weight:700;color:var(--text)}.child-settings-field input[type=text],.child-settings-field input[type=date]{width:100%;padding:12px 14px;border:2px solid #f0e0d0;border-radius:14px;font:inherit;background:#fff}.child-settings-hint{margin:0}.child-avatar-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.child-avatar-pick{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;border-radius:16px;border:3px solid transparent;background:#fff;box-shadow:0 4px 12px #50300a14;transition:transform .15s ease,border-color .15s ease}.child-avatar-pick--active{border-color:var(--primary);transform:scale(1.03)}.child-avatar-pick-emoji{font-size:1.6rem;line-height:1}.child-avatar-pick-label{font-size:.72rem;font-weight:700;color:var(--muted)}.child-gender-picker{display:grid;grid-template-columns:1fr 1fr;gap:12px}.child-gender-pick{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;border-radius:16px;border:3px solid #f0e0d0;background:#fff;font-size:1rem;font-weight:700;color:var(--text)}.child-gender-pick--active{border-color:var(--primary);background:#ff8a3d1a;color:var(--primary-dark)}.child-settings-cancel{text-align:center;display:block}@media(max-width:400px){.child-avatar-picker{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.child-avatar-pick-emoji{font-size:1.35rem}}.admin-page{max-width:960px;margin:0 auto}.admin-header{margin-bottom:20px}.admin-kicker{font-size:.85rem;color:var(--text-muted);margin:0 0 4px}.admin-title{font-size:1.5rem;margin:0 0 6px}.admin-subtitle{margin:0;color:var(--text-muted);font-size:.95rem}.admin-volume-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.admin-volume-card{display:block;padding:14px;border-radius:16px;border:2px solid #f0e0d0;background:#fff;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}.admin-volume-card:hover{border-color:var(--primary);box-shadow:0 4px 12px 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#f0e0d0;border-radius:16px;padding:16px;min-height:200px}.admin-story-pages{display:flex;flex-direction:column;gap:10px}.admin-story-page{display:flex;gap:12px;align-items:baseline;padding:10px 12px;background:#fffaf5;border-radius:12px}.admin-story-page-no{flex-shrink:0;font-size:.8rem;font-weight:700;color:var(--primary)}.admin-story-page-text{margin:0;font-size:1.1rem;line-height:1.5}.admin-table{width:100%;border-collapse:collapse;font-size:.88rem}.admin-table th,.admin-table td{border:1px solid #f0e0d0;padding:8px;text-align:left;vertical-align:top}.admin-table th{background:#fffaf5}.admin-cell-wrap{max-width:280px;word-break:break-word}.admin-pre{white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;line-height:1.5;margin:0}.admin-pre--section{margin-bottom:16px;padding:12px;background:#fffaf5;border-radius:12px}.admin-validation-summary{font-weight:700;margin:0 0 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input{margin-top:3px;flex-shrink:0}.admin-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.shell-install-banner{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:12px 16px;margin:0 0 16px;padding:14px 16px;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right));border-radius:16px;border:2px solid #ffd4a8;background:linear-gradient(135deg,#fff8ee,#fff3e0);box-shadow:0 6px 18px #ff8a3d1f}.shell-install-banner-body{flex:1 1 220px;min-width:0}.shell-install-banner-title{margin:0 0 6px;font-size:1rem;font-weight:800;color:var(--primary-dark)}.shell-install-banner-teaser{margin:0 0 8px;font-size:.92rem;line-height:1.5;color:var(--text)}.shell-install-banner-meta{margin:0;font-size:.85rem;color:var(--muted)}.shell-install-banner-actions{flex:0 0 auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.shell-install-banner-btn{padding:8px 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a.nav-link-active{text-decoration:underline;text-underline-offset:3px}@media(max-width:560px){.shell-install-banner{flex-direction:column;align-items:stretch}.shell-install-banner-actions{justify-content:stretch}.shell-install-banner-actions .shell-install-banner-btn{flex:1 1 auto}}.shell-guide-page{max-width:720px;margin:0 auto}.shell-guide-back{display:inline-block;margin-bottom:12px;color:var(--primary-dark);font-weight:600;text-decoration:none}.shell-guide-kicker{margin:0 0 4px;font-size:.85rem;font-weight:700;color:var(--primary)}.shell-guide-title{margin-bottom:8px}.shell-guide-subtitle{margin:0 0 16px;color:var(--muted);line-height:1.55}.shell-guide-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.shell-guide-badge{display:inline-block;padding:6px 12px;border-radius:999px;background:#fff3e8;color:var(--primary-dark);font-size:.88rem;font-weight:700}.shell-guide-steps{list-style:none;margin:0 0 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#e8d5c0;text-align:center}.shell-guide-placeholder p{margin:0}.shell-guide-placeholder p+p{margin-top:8px}.shell-guide-picker{margin-bottom:24px;padding:16px 18px;border-radius:16px;background:var(--surface);border:2px solid #f0e2d0;box-shadow:var(--shadow)}.shell-guide-picker-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;margin-bottom:10px}.shell-guide-picker-label{font-size:.95rem;font-weight:700;color:var(--text)}.shell-guide-picker-tag{font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:#eef6ff;color:#3a7ec8}.shell-guide-picker-tag-manual{background:#fff3e8;color:var(--primary-dark)}.shell-guide-select{width:100%;padding:12px 14px;border-radius:12px;border:2px solid #eadfce;background:#fff;font:inherit;font-size:1rem;color:var(--text)}.shell-guide-reset{margin-top:10px;padding:0;background:none;border:none;color:var(--primary-dark);font-size:.88rem;font-weight:600;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.shell-guide-picker-hint{margin:10px 0 0}.shell-guide-header{margin-bottom:16px}.shell-guide-figures{display:grid;gap:16px;margin-bottom:24px}.shell-guide-figure-step{margin:0 0 8px;font-size:.85rem;font-weight:700;color:var(--primary-dark)}@media(min-width:640px){.shell-guide-figures{grid-template-columns:repeat(2,minmax(0,1fr))}.shell-guide-figures .shell-guide-figure:last-child:nth-child(odd){grid-column:1 / -1;max-width:360px;margin:0 auto;width:100%}}.shell-guide-figure-after{margin-top:16px;margin-bottom:0}.shell-guide-after,.shell-guide-other{margin-bottom:24px;padding:18px 20px;border-radius:16px;background:var(--surface);border:2px solid #f0e2d0}.shell-guide-after h2,.shell-guide-other h2{margin:0 0 10px;font-size:1.05rem;color:var(--primary-dark)}.shell-guide-after p,.shell-guide-other p{margin:0;line-height:1.6}.shell-guide-note{margin-top:10px!important;font-size:.9rem;color:var(--muted)}