.reader-wrap{max-width:none;margin:0}.reader-article{margin:0}.reader-head{margin-bottom:1.25rem;padding-bottom:0;border-bottom:none}.reader-title{margin:0;font-size:1.35rem;font-weight:600;letter-spacing:-.02em;font-family:var(--font-read);line-height:1.35;-webkit-user-select:text;user-select:text}.reader-body{font-family:var(--font-read);font-size:1.125rem;line-height:1.75;color:var(--text);-webkit-user-select:text;user-select:text}.reader-newline{white-space:normal}.reader-word{cursor:default;border-radius:3px;transition:background .12s ease}.reader-word:hover{background:var(--accent-soft)}.reader-space,.reader-other{white-space:pre-wrap}.reader-tooltip{z-index:10000;min-width:200px;max-width:min(320px,calc(100vw - 24px));padding:.85rem 1rem 1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-tooltip)}.reader-tooltip-close{position:absolute;top:6px;right:8px;border:none;background:transparent;color:var(--muted);font-size:1.25rem;line-height:1;padding:4px 8px;border-radius:4px;cursor:pointer}.reader-tooltip-close:hover{color:var(--text);background:var(--hover-fill)}.reader-tooltip-word{font-weight:600;font-size:1rem;padding-right:1.5rem;font-family:var(--font-read)}.reader-tooltip-ipa{font-size:.9rem;color:var(--muted);margin-top:.2rem;font-family:var(--font-ui)}.reader-tooltip-zh{margin-top:.5rem;font-size:.95rem;color:var(--text);line-height:1.5}.reader-tooltip-def{margin-top:.45rem;font-size:.82rem;color:var(--muted);line-height:1.45}.reader-tooltip-def.subtle{margin-top:.35rem;opacity:.92}.reader-tooltip-muted{margin:0;font-size:.875rem;color:var(--muted)}.shell{max-width:58rem;margin:0 auto;padding:1.75rem 1.15rem 3.5rem}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.topbar__brand{display:flex;align-items:center;gap:.6rem;min-width:0}.topbar__logo{display:block;width:1.85rem;height:1.85rem;flex-shrink:0;color:var(--text)}.topbar__title{font-size:1.125rem;font-weight:650;letter-spacing:-.03em}.icon-btn{width:2.5rem;height:2.5rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);display:grid;place-items:center;font-size:1.1rem;line-height:1;transition:transform .15s ease,background .15s ease,border-color .15s ease}.icon-btn:hover{background:var(--hover-fill);transform:translateY(-1px)}.layout-main{display:grid;grid-template-columns:minmax(0,1fr) 11.5rem;gap:1.35rem;align-items:start}@media (max-width: 900px){.layout-main{grid-template-columns:1fr}.sidebar{width:100%;max-width:22rem}}.sidebar{position:sticky;top:1rem;display:flex;flex-direction:column;gap:1.15rem;padding:1rem .85rem;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--surface) 92%,var(--bg-stripe))}.filter-block{display:flex;flex-direction:column;gap:.5rem}.filter-block__label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.chip-group{display:flex;flex-wrap:wrap;gap:.45rem}.chip-group--stack{flex-direction:column;align-items:stretch}.chip{border:1px solid var(--line);background:var(--surface);color:var(--muted);padding:.45rem .85rem;border-radius:999px;font-size:.875rem;transition:background .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease}.chip--block{border-radius:10px;text-align:left;width:100%}.chip:hover{color:var(--text);background:var(--hover-fill)}.chip--on{color:var(--text);border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 22%,transparent) inset;background:color-mix(in srgb,var(--accent-soft) 75%,var(--surface));font-weight:600}.stage{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:.45rem}.stage__column{min-width:0;display:flex;flex-direction:column;gap:.55rem}@media (max-width: 720px){.stage{grid-template-columns:1fr;grid-template-rows:auto auto;align-items:stretch}.stage__column{grid-row:1;grid-column:1}.flip-nav--rail.flip-nav--prev{grid-row:2;grid-column:1;justify-self:start;align-self:center;width:auto;min-width:2.75rem;min-height:2.75rem;height:auto;aspect-ratio:1;border-radius:12px}.flip-nav--rail.flip-nav--next{grid-row:2;grid-column:1;justify-self:end;align-self:center;width:auto;min-width:2.75rem;min-height:2.75rem;height:auto;aspect-ratio:1;border-radius:12px}}.flip-nav{width:1.85rem;height:4.25rem;border-radius:10px;border:1px solid color-mix(in srgb,var(--line) 88%,var(--muted));background:color-mix(in srgb,var(--surface) 94%,var(--bg));color:var(--muted);font-size:1.05rem;line-height:1;display:grid;place-items:center;transition:background .15s ease,color .15s ease,border-color .15s ease;align-self:center}.flip-nav span{transform:translateY(-.5px)}.flip-nav:hover:not(:disabled){color:var(--text);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:var(--surface)}.flip-nav:disabled{opacity:.38}.card{border:1px solid var(--line);background:var(--surface);border-radius:18px;box-shadow:var(--card-shadow);overflow:hidden;min-height:18rem;animation:cardSwap .48s cubic-bezier(.22,1,.36,1);transform-style:preserve-3d}@keyframes cardSwap{0%{opacity:0;transform:perspective(900px) rotateX(10deg) translateY(10px)}55%{opacity:1;transform:perspective(900px) rotateX(-2deg) translateY(0)}to{opacity:1;transform:perspective(900px) rotateX(0) translateY(0)}}.card__chrome{padding:.75rem 1rem;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg-stripe) 70%,var(--surface))}.card__chrome-left{display:flex;align-items:center;justify-content:space-between;gap:.65rem;flex-wrap:wrap}.card__meta{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap;min-width:0}.card__date{font-size:.85rem;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.02em}.pill{font-size:.72rem;padding:.15rem .45rem;border-radius:999px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));color:color-mix(in srgb,var(--text) 88%,var(--accent));background:color-mix(in srgb,var(--accent-soft) 55%,transparent)}.text-link{border:none;background:transparent;color:var(--muted);font-size:.82rem;padding:.25rem .35rem;border-radius:8px;cursor:pointer}.text-link--inline{padding:.15rem .4rem}.text-link:hover:not(:disabled){color:var(--text);background:var(--hover-fill)}.card__read{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;justify-content:flex-end}.chrome-read{display:inline-flex;align-items:center;gap:.35rem;border-radius:999px;padding:.32rem .75rem;font-size:.8rem;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:filter .12s ease,background .15s ease,border-color .15s ease}.chrome-read__svg{display:block;flex-shrink:0;opacity:.95}.chrome-read--icon-only{padding:.4rem .55rem;justify-content:center}.chrome-read--fab{width:2rem;height:2rem;padding:0;border-radius:50%;box-sizing:border-box}.chrome-read--fab .chrome-read__svg{width:15px;height:15px}.chrome-read--primary{background:var(--text);color:var(--surface);border-color:var(--text)}.chrome-read--primary:hover{filter:brightness(1.06)}.chrome-read--ghost{background:transparent;color:var(--text);border-color:var(--line)}.chrome-read--ghost:hover{background:var(--hover-fill)}.card__body{padding:1.15rem 1.2rem 1.35rem}.banner{border-radius:12px;padding:.95rem 1rem;font-size:.92rem;line-height:1.55}.banner--warn{color:var(--error-fg);border:1px solid var(--error-line);background:var(--error-bg)}.muted-center{margin:2.25rem 0;text-align:center;color:var(--muted);font-size:.95rem}.foot{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--line);font-size:.74rem;color:var(--muted);line-height:1.55}:root{--radius: 10px;--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-read: Georgia, "Times New Roman", serif}[data-theme=light],:root:not([data-theme=dark]){color-scheme:light;--bg: #f6f6f4;--bg-stripe: #efefea;--surface: #ffffff;--text: #141414;--muted: #63635e;--line: #e6e4de;--accent: #2f6feb;--accent-soft: rgba(47, 111, 235, .12);--hover-fill: rgba(20, 20, 20, .05);--shadow-tooltip: 0 18px 60px rgba(20, 20, 20, .1);--card-shadow: 0 20px 70px rgba(20, 20, 20, .07);--error-fg: #9a3412;--error-bg: rgba(251, 146, 60, .12);--error-line: rgba(251, 146, 60, .35)}[data-theme=dark]{color-scheme:dark;--bg: #0f0f10;--bg-stripe: #141416;--surface: #161618;--text: #f2f2f0;--muted: #a1a19b;--line: #2a2a2d;--accent: #6ea8ff;--accent-soft: rgba(110, 168, 255, .14);--hover-fill: rgba(255, 255, 255, .06);--shadow-tooltip: 0 18px 70px rgba(0, 0, 0, .55);--card-shadow: 0 24px 80px rgba(0, 0, 0, .35);--error-fg: #fdba74;--error-bg: rgba(251, 146, 60, .12);--error-line: rgba(251, 146, 60, .28)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:var(--font-ui);line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed}