:root{--c-op: #7C3AED;--c-gen: #0EA5E9;--c-pic: #F97316;--c-qual: #10B981;--c-opp: #EF4444;--c-op-soft: #EDE9FE;--c-gen-soft: #E0F2FE;--c-pic-soft: #FFEDD5;--c-qual-soft: #D1FAE5;--c-opp-soft: #FEE2E2;--ink: #1B1B25;--ink-2: #3A3A4A;--mute: #6B6B7B;--line: #E7E5DD;--bg: #F8F4EC;--bg-2: #FFFDF7;--card: #FFFFFF;--gold: #F2C94C;--berry: #E0479E;--radius-l: 28px;--radius-m: 18px;--radius-s: 12px;--shadow-1: 0 1px 0 rgba(20,20,30,.04), 0 8px 20px rgba(20,20,30,.06);--shadow-2: 0 2px 0 rgba(20,20,30,.05), 0 14px 30px rgba(20,20,30,.08);--shadow-press: 0 2px 0 rgba(20,20,30,.1);--font-sans: "Plus Jakarta Sans","Nunito","SF Pro Rounded",-apple-system,BlinkMacSystemFont, "PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;--font-serif: "Fraunces","Source Serif Pro",Georgia,"Times New Roman",serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{background-image:radial-gradient(rgba(0,0,0,.025) 1px,transparent 1px),linear-gradient(180deg,#faf6ee,#f8f4ec);background-size:24px 24px,100% 100%;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}@media (max-width: 880px){.app{grid-template-columns:1fr}}.mobile-topbar,.sidebar-scrim,.sidebar-close{display:none}.sidebar{background:var(--bg-2);border-right:1px solid var(--line);padding:26px 18px 16px;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}@media (max-width: 880px){.app{display:block}.mobile-topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fffdf7eb;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mobile-brand{display:flex;align-items:center;gap:10px;min-width:0}.mobile-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:16px}.mobile-brand .brand-name{font-size:19px;line-height:1}.mobile-brand .brand-sub{font-size:10px;margin-top:3px}.mobile-menu-btn{width:40px;height:40px;display:inline-grid;place-content:center;gap:4px;flex:0 0 auto;background:var(--ink);color:#fff;border:none;border-radius:13px;box-shadow:0 2px #00000024}.mobile-menu-btn span{width:16px;height:2px;display:block;background:currentColor;border-radius:99px}.sidebar-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:block;pointer-events:none;opacity:0;background:#14141e52;border:none;transition:opacity .2s ease}.sidebar-scrim.show{pointer-events:auto;opacity:1}.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:80;width:min(82vw,304px);height:100dvh;padding:18px 16px 14px;display:flex;border-right:1px solid var(--line);border-bottom:none;box-shadow:18px 0 46px #14141e29;transform:translate(-104%);transition:transform .22s ease;-webkit-overflow-scrolling:touch}.sidebar.is-open{transform:translate(0)}.sidebar-close{width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:12px;font-size:23px;line-height:1}}.sidebar-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px;margin-bottom:28px;cursor:pointer}.brand-mark{width:38px;height:38px;background:var(--ink);color:#fff;border-radius:12px;display:grid;place-items:center;font-family:var(--font-serif);font-weight:700;font-size:18px;transform:rotate(-4deg)}.brand-name{font-family:var(--font-serif);font-weight:700;font-size:22px;letter-spacing:-.01em}.brand-sub{font-size:11px;color:var(--mute);letter-spacing:.08em;text-transform:uppercase}.nav{display:flex;flex-direction:column;gap:3px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-s);color:var(--ink-2);font-weight:600;border:1px solid transparent;background:transparent;text-align:left;width:100%}.nav-item:hover{background:#0000000a}.nav-item.active{background:var(--ink);color:#fff}.nav-item.active .nav-emoji{filter:grayscale(0) brightness(1.1)}.nav-emoji{font-size:18px;width:22px;display:inline-block;text-align:center}.nav-group-label{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin:18px 12px 6px}.side-progress{margin-top:24px;padding:14px;background:linear-gradient(135deg,#ffe9a8,#ffd27a);border-radius:var(--radius-m);border:1px solid #F2C94C;box-shadow:0 2px #0000000d}.side-progress-num{font-family:var(--font-serif);font-weight:700;font-size:28px;line-height:1}.side-progress-label{font-size:12px;color:#6b4f00;margin-top:4px}.side-progress-bar{height:6px;background:#0000001f;border-radius:99px;margin-top:10px;overflow:hidden}.side-progress-bar>div{height:100%;background:var(--ink);border-radius:99px;transition:width .4s ease}.user-panel{margin-top:auto;padding:10px 12px;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:10px;position:relative;background:linear-gradient(135deg,#fefcf8,#f5f1e8);border:1px solid rgba(27,27,37,.08);border-radius:16px;box-shadow:0 1px 3px #14141e0f,0 4px 12px #14141e0a;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .15s}.user-panel:hover,.user-panel:focus-visible{border-color:#1b1b252e;box-shadow:0 2px 5px #14141e14,0 8px 18px #14141e0f}.user-panel:focus-visible{outline:3px solid rgba(27,27,37,.1);outline-offset:3px}.user-avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,#2d2d3a,#1b1b25);color:#fff;font-family:var(--font-serif);font-size:16px;font-weight:700;box-shadow:0 2px 6px #1b1b2540}.user-meta{min-width:0;display:flex;flex-direction:column;gap:2px}.user-label-row{display:flex;align-items:center;gap:6px}.user-email{color:var(--ink);font-size:15px;font-weight:700;line-height:1.15;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-trigger{padding:0;color:var(--mute);background:transparent;border:none;font-size:11px;font-weight:700;line-height:1;pointer-events:none}.user-menu{position:absolute;right:12px;bottom:calc(100% + 8px);width:156px;padding:6px;z-index:20;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px #14141e24}.user-menu button{width:100%;padding:9px 10px;color:var(--ink);background:transparent;border:none;border-radius:8px;font-size:13px;font-weight:700;line-height:1;text-align:left}.user-menu button:hover{background:var(--bg)}.user-signout{flex:0 0 auto;padding:5px 10px;color:var(--ink-2);background:#1b1b250f;border:none;border-radius:8px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap;transition:background .15s,color .15s}.user-signout:hover{background:#1b1b251f;color:var(--ink)}@media (max-width: 880px){.user-panel{margin-top:14px}}.main{padding:28px clamp(20px,4vw,56px) 60px;max-width:1180px;margin:0 auto;width:100%}.page-title{font-family:var(--font-serif);font-weight:700;font-size:clamp(28px,4vw,44px);line-height:1.08;letter-spacing:-.02em;margin:8px 0 6px}.page-kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:700}.page-sub{color:var(--ink-2);font-size:17px;max-width:70ch;margin-top:4px}.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:12px 18px;font-size:15px;font-weight:700;white-space:nowrap;background:var(--ink);color:#fff;border:none;border-radius:14px;box-shadow:0 3px #0000002e;transition:transform .08s ease,box-shadow .08s ease}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(2px);box-shadow:0 1px #0000002e}.btn.ghost{background:transparent;color:var(--ink);border:2px solid var(--ink);box-shadow:0 3px 0 var(--ink)}.btn.ghost:active{box-shadow:0 1px 0 var(--ink)}.btn.soft{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 2px #0000000d}.btn.lg{padding:14px 22px;font-size:16px;border-radius:16px}.btn.sm{padding:8px 12px;font-size:13px;border-radius:10px;box-shadow:0 2px #0000001f}.btn[disabled]{opacity:.5;cursor:not-allowed}.icon-btn{background:#fff;border:1px solid var(--line);width:38px;height:38px;border-radius:50%;display:inline-grid;place-items:center;box-shadow:0 2px #0000000f;font-size:16px;color:var(--ink-2)}.icon-btn:hover{background:var(--bg)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-1)}.card.tile{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.card.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}.cat-tile{position:relative;border-radius:var(--radius-l);padding:24px;overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:180px;cursor:pointer;border:none;text-align:left;box-shadow:0 6px #00000026,0 14px 30px #14141e1a;transition:transform .15s ease,box-shadow .15s ease}.cat-tile:hover{transform:translateY(-3px)}.cat-tile:active{transform:translateY(2px);box-shadow:0 2px #00000026}.cat-tile .emoji{font-size:56px;position:absolute;right:-6px;bottom:-8px;opacity:.9;filter:drop-shadow(0 4px 10px rgba(0,0,0,.2));pointer-events:none}.cat-tile h3{font-family:var(--font-serif);font-size:26px;line-height:1.05;margin:0}.cat-tile .cat-zh{font-size:13px;opacity:.85;margin-top:2px}.cat-tile .cat-meta{display:flex;justify-content:space-between;align-items:end;margin-top:18px}.cat-tile .cat-progress-num{font-family:var(--font-serif);font-weight:700;font-size:32px}.cat-tile .cat-bar{height:8px;width:70%;background:#0000002e;border-radius:99px;overflow:hidden}.cat-tile .cat-bar>div{height:100%;background:#fff;border-radius:99px}.word-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:99px;background:#fff;border:1.5px solid var(--line);font-weight:700;font-size:14px;cursor:pointer;transition:all .15s ease;box-shadow:0 2px #0000000d}.word-chip:hover{transform:translateY(-1px);background:var(--bg-2)}.word-chip .dot{width:8px;height:8px;border-radius:50%}.word-chip .mastery-mark{width:14px;height:14px;border-radius:50%;background:var(--line);display:inline-block}.word-chip .mastery-mark.m1{background:#ffd27a}.word-chip .mastery-mark.m2{background:#f2c94c}.word-chip .mastery-mark.m3{background:#10b981}.word-chip.is-known{border-color:#10b981;background:#f0fdf4}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#14141e73;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:100;animation:fade .2s ease}.modal{background:var(--card);border-radius:var(--radius-l);padding:0;width:min(820px,calc(100vw - 32px));max-height:calc(100vh - 56px);overflow:auto;box-shadow:0 30px 80px #14141e4d;animation:pop .25s cubic-bezier(.2,.9,.3,1.3)}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes pop{0%{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-head{padding:16px 24px 8px;display:flex;align-items:start;justify-content:space-between;gap:12px}.modal-head .close{width:34px;height:34px;border-radius:50%;background:var(--bg);border:none;cursor:pointer;font-size:18px;color:var(--mute)}.word-nav-bar{display:flex;align-items:stretch;gap:10px;border-top:1px solid var(--line);padding:10px 18px;background:var(--bg)}.word-nav-btn{flex:1;display:flex;align-items:center;gap:12px;padding:9px 14px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;box-shadow:0 2px #14141e0f;min-width:0}.word-nav-btn:hover:not(:disabled){transform:translateY(-2px);border-color:var(--ink);box-shadow:0 5px #14141e1a}.word-nav-btn:active:not(:disabled){transform:translateY(0);box-shadow:0 1px #14141e1a}.word-nav-btn:disabled{opacity:.3;cursor:default;box-shadow:none}.word-nav-btn.right{justify-content:flex-end;text-align:right}.word-nav-arrow{font-size:20px;font-weight:700;line-height:1;color:var(--ink);flex-shrink:0;transition:transform .2s ease}.word-nav-btn:hover:not(:disabled) .word-nav-arrow:first-child{transform:translate(-3px)}.word-nav-btn.right:hover:not(:disabled) .word-nav-arrow{transform:translate(3px)}.word-nav-label{display:flex;flex-direction:column;gap:2px;min-width:0}.word-nav-hint{font-size:10px;color:var(--mute);letter-spacing:.08em;text-transform:uppercase;font-weight:800;line-height:1}.word-nav-word{font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--ink);line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.word-nav-count{flex-shrink:0;align-self:center;font-size:12px;font-weight:700;color:var(--mute);white-space:nowrap}.modal-body{padding:8px 24px 18px}.profile-modal{width:min(430px,calc(100vw - 32px));border-radius:22px}.profile-modal-title{margin:4px 0 0;color:var(--ink);font-family:var(--font-serif);font-size:24px;line-height:1.1}.profile-modal-body{display:grid;gap:14px}.profile-field{display:grid;gap:7px}.profile-field span,.profile-email span{color:var(--mute);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.profile-field input{width:100%;min-width:0;padding:12px 13px;color:var(--ink);background:var(--bg-2);border:1px solid #D8D5CB;border-radius:12px;font:inherit;font-size:15px;font-weight:700;outline:none}.profile-field input:focus{border-color:var(--ink);box-shadow:0 0 0 3px #1b1b2514}.profile-error{padding:10px 12px;color:#991b1b;background:#fee2e2;border:1px solid #FCA5A5;border-radius:12px;font-size:13px;font-weight:700;line-height:1.45}.profile-email{display:grid;gap:5px;padding:12px 13px;background:var(--bg);border:1px solid var(--line);border-radius:12px}.profile-email strong{min-width:0;color:var(--ink-2);font-size:13px;overflow-wrap:anywhere}.profile-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.word-hero{display:flex;align-items:center;gap:12px;min-height:96px;padding:14px 16px;border-radius:24px;color:#fff;position:relative;overflow:hidden}.word-hero .word-text{font-family:var(--font-serif);font-weight:700;font-size:clamp(30px,4.4vw,42px);line-height:1;letter-spacing:-.02em}.word-hero .word-pron{font-style:italic;opacity:.85;font-size:14px;margin-top:4px}.word-hero .word-zh{font-family:var(--font-serif);font-size:16px;margin-top:2px;opacity:.95}.word-hero .play-btn{position:absolute;right:16px;bottom:14px;width:38px;height:38px;border-radius:50%;background:#fff3;border:2px solid rgba(255,255,255,.55);color:#fff;display:grid;place-items:center;font-size:16px;cursor:pointer;transition:transform .15s ease}.word-hero .play-btn:hover{transform:scale(1.08)}.word-hero .play-btn:active{transform:scale(.95)}.word-hero .cat-pill{position:absolute;right:16px;top:12px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;background:#fff3;padding:3px 8px;border-radius:99px;font-weight:700}.def-block{margin-top:14px}.def-block .label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);font-weight:700}.def-block .text{font-family:var(--font-serif);font-size:18px;line-height:1.35;margin-top:4px;color:var(--ink)}.ex-row{display:flex;align-items:start;gap:10px;padding:12px 14px;background:var(--bg-2);border:1px dashed var(--line);border-radius:var(--radius-s);margin-top:8px}.ex-row .play-mini{flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;font-size:12px}.ex-row .ex-text{font-family:var(--font-serif);font-size:16px;line-height:1.32}.ex-row .ex-zh{color:var(--mute);font-size:13px;margin-top:3px}.mastery-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:14px;padding:12px 14px;background:var(--bg-2);border-radius:var(--radius-s);border:1px solid var(--line)}.mastery-actions{display:inline-flex;gap:8px;flex-wrap:wrap}.mastery-actions button{min-width:74px;padding:9px 14px;border:1.5px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-2);font-size:14px;font-weight:800;line-height:1;white-space:nowrap;box-shadow:0 2px #14141e0f}.mastery-actions button:hover{border-color:var(--ink)}.mastery-actions button.active{background:#ffe9a8;border-color:var(--gold);color:#6b4f00}.mastery-actions button.mastered{background:#10b981;border-color:#10b981;color:#fff}.fc-stage{display:flex;flex-direction:column;align-items:center;padding:24px 0 0}.fc-card-single{width:min(520px,96%);border-radius:16px;padding:28px;display:flex;flex-direction:column;box-shadow:0 2px 16px #00000014,0 0 0 1px #0000000d;background:var(--bg-2);margin:12px 0 24px;overflow:hidden}.fc-word-section{text-align:center;padding:28px 20px 22px;margin:8px -28px 0;border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:10px}.fc-cat-badge{display:inline-block;color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:99px}.fc-word-text{font-family:var(--font-serif);font-weight:700;font-size:clamp(44px,9vw,68px);line-height:1;letter-spacing:-.02em}.fc-play-btn{background:#fff!important;border:none!important;box-shadow:0 2px 8px #0000001f!important}.fc-content-section{padding-top:20px;display:flex;flex-direction:column;color:var(--ink)}.fc-zh{font-family:var(--font-serif);font-size:22px;font-weight:700;margin-bottom:6px}.fc-def{font-size:15px;line-height:1.6;color:var(--ink-2);margin-bottom:4px}.fc-actions{display:flex;gap:12px;margin-bottom:8px;margin-top:20px;justify-content:center}.fc-actions .btn{flex:0 0 112px;min-width:112px;max-width:140px}.fc-counter{font-size:13px;color:var(--mute);letter-spacing:.08em;text-transform:uppercase;font-weight:700;margin:4px 0 8px}.quiz-stage{max-width:640px;margin:0 auto}.quiz-progress{height:10px;background:#00000012;border-radius:99px;overflow:hidden;margin-bottom:24px}.quiz-progress>div{height:100%;background:var(--ink);transition:width .4s ease;border-radius:99px}.quiz-question{font-family:var(--font-serif);font-size:22px;margin-bottom:6px}.quiz-prompt{font-family:var(--font-serif);font-size:clamp(36px,6vw,56px);text-align:center;padding:30px 20px;background:#fff;border-radius:var(--radius-l);border:1px solid var(--line);margin-bottom:20px;letter-spacing:-.01em}.quiz-opts{display:grid;gap:12px;grid-template-columns:1fr 1fr}@media (max-width: 560px){.quiz-opts{grid-template-columns:1fr}}.quiz-opt{text-align:left;padding:16px 18px;background:#fff;border:2px solid var(--line);border-radius:14px;font-size:16px;font-weight:600;box-shadow:0 3px #0000000f;transition:all .12s ease}.quiz-opt:hover{transform:translateY(-1px);border-color:var(--ink)}.quiz-opt.correct{background:#dcfce7;border-color:#16a34a;color:#166534}.quiz-opt.wrong{background:#fee2e2;border-color:#dc2626;color:#991b1b}.quiz-opt.dim{opacity:.5}.chat-shell{max-width:720px;margin:0 auto}.chat-msgs{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:18px;min-height:320px;max-height:60vh;overflow-y:auto}.chat-bubble{max-width:80%;padding:12px 14px;border-radius:18px;margin-bottom:10px;line-height:1.45;font-size:15px;white-space:pre-wrap;word-wrap:break-word}.chat-bubble.user{background:var(--ink);color:#fff;margin-left:auto;border-bottom-right-radius:6px}.chat-bubble.bot{background:var(--bg);color:var(--ink);border-bottom-left-radius:6px}.chat-bubble.bot .highlight{background:#ffe9a8;padding:0 3px;border-radius:4px}.chat-input-row{display:flex;gap:8px;margin-top:12px}.chat-input{flex:1;padding:14px 16px;border:2px solid var(--line);border-radius:14px;font-family:inherit;font-size:15px;background:#fff}.chat-input:focus{outline:none;border-color:var(--ink)}.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 720px){.cmp-grid{grid-template-columns:1fr}}.cmp-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:22px}.cmp-word{font-family:var(--font-serif);font-weight:700;font-size:36px;line-height:1;margin-bottom:4px}.cmp-vs{display:grid;place-items:center;font-family:var(--font-serif);font-style:italic;font-size:22px;color:var(--mute)}.scene-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.scene-card{border:none;background:#fff;border-radius:var(--radius-m);padding:20px;text-align:left;cursor:pointer;position:relative;overflow:hidden;transition:transform .15s ease;box-shadow:0 2px #0000000f,0 6px 16px #0000000d}.scene-card:hover{transform:translateY(-2px)}.scene-card .em{font-size:28px}.scene-card .name{font-family:var(--font-serif);font-size:22px;margin:6px 0 0}.scene-card .count{font-size:13px;color:var(--mute);margin-top:4px}.scene-card .stripe{height:6px;background:var(--c-gen);border-radius:4px;margin-top:14px;opacity:.6}.daily-hero{background:linear-gradient(135deg,#fff6cb,#ffd27a);border-radius:var(--radius-l);padding:26px 28px;border:1px solid #F5C969;box-shadow:0 6px #0000000f}.daily-hero .label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#6b4f00;font-weight:700}.daily-hero h2{font-family:var(--font-serif);font-size:32px;margin:4px 0 0;color:#3a2a00}.search-wrap{position:relative;max-width:480px}.search-wrap input{width:100%;padding:12px 16px 12px 40px;background:#fff;border:1.5px solid var(--line);border-radius:99px;font-size:15px;font-family:inherit;box-shadow:0 2px #0000000d}.search-wrap input:focus{outline:none;border-color:var(--ink)}.search-wrap .icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--mute)}.word-row{display:flex;align-items:center;gap:14px;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);margin-bottom:6px;cursor:pointer}.word-row:hover{background:var(--bg-2)}.word-row .w{font-family:var(--font-serif);font-weight:700;font-size:18px;width:130px}.word-row .zh{color:var(--ink-2);flex:1}.word-row .badge{font-size:10px;letter-spacing:.1em;text-transform:uppercase;background:var(--bg);padding:4px 8px;border-radius:99px;color:var(--mute);font-weight:700}.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;background:var(--bg);border-radius:99px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}.row{display:flex;gap:10px;align-items:center}.col{display:flex;flex-direction:column;gap:10px}.sp-between{justify-content:space-between}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mt-32{margin-top:32px}.mb-12{margin-bottom:12px}.mb-20{margin-bottom:20px}.muted{color:var(--mute)}.center{text-align:center}.tint-op{color:var(--c-op)}.tint-gen{color:var(--c-gen)}.tint-pic{color:var(--c-pic)}.tint-qual{color:var(--c-qual)}.tint-opp{color:var(--c-opp)}.bg-op{background:var(--c-op)}.bg-gen{background:var(--c-gen)}.bg-pic{background:var(--c-pic)}.bg-qual{background:var(--c-qual)}.bg-opp{background:var(--c-opp)}.dictation-input{width:100%;padding:18px 20px;font-family:var(--font-serif);font-size:28px;text-align:center;border:2px dashed var(--line);border-radius:var(--radius-m);background:#fff}.dictation-input:focus{outline:none;border-color:var(--ink);border-style:solid}.dictation-input.correct{border-color:#16a34a;background:#f0fdf4}.dictation-input.wrong{border-color:#dc2626;background:#fef2f2}.phrase-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:16px 18px;margin-bottom:10px}.phrase-card .ph{font-family:var(--font-serif);font-weight:700;font-size:22px}.phrase-card .mean{color:var(--ink-2);font-size:14px}.phrase-card .ex{color:var(--mute);font-size:14px;margin-top:6px;font-style:italic}.phrase-card .ex strong{color:var(--ink);font-style:normal;background:#ffe9a8;padding:0 3px;border-radius:3px}[data-tip]{position:relative}mark{background:#ffe9a8;padding:0 3px;border-radius:3px;color:inherit}.filter-row{display:flex;gap:8px;overflow-x:auto;padding:4px 0 12px}.filter-row::-webkit-scrollbar{display:none}.filter{background:#fff;border:1.5px solid var(--line);padding:8px 14px;border-radius:99px;font-size:13px;font-weight:700;white-space:nowrap;cursor:pointer;color:var(--ink-2)}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}@keyframes slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.slide-in{animation:slide-in .3s ease}