:root{--brand-50:#f6eff6;--brand-100:#eadaea;--brand-200:#d8c2d7;--brand-300:#c6a9c3;--brand-500:#a87ca1;--brand-600:#956a8f;--brand-700:#7b5475;--neutral-0:#fff;--neutral-50:#fbfafc;--neutral-100:#f4f1f6;--neutral-200:#e9e3ed;--neutral-300:#d7cedd;--neutral-500:#93879c;--neutral-600:#74677d;--neutral-700:#5d5165;--neutral-800:#453b4d;--pink:#e6afc9;--sky:#8ec7dc;--mint:#9ccfb8;--error:#d7769a;--shadow:0 2px 8px #4b334814;--shadow-md:0 10px 30px #4b33481c;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--font-ui:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--neutral-50);color:var(--neutral-800);font-family:var(--font-ui);margin:0;font-size:16px;line-height:1.5}#root{min-height:100vh}a{color:inherit}.site-header{border-bottom:1px solid var(--neutral-200);z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffeb;height:76px;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1180px;height:100%;margin:auto;padding:0 32px;display:flex}.brand{color:var(--brand-700);letter-spacing:.03em;align-items:center;gap:10px;min-width:0;font-size:20px;font-weight:700;text-decoration:none;display:flex}.brand-name{white-space:nowrap;line-height:1.2}@media (width<=800px){.brand{gap:8px;font-size:15px}}.brand-mark{background:var(--brand-500);color:#fff;border-radius:11px;place-items:center;width:34px;height:34px;font-size:20px;display:grid;box-shadow:0 4px 10px #a87ca140}.main-nav{gap:36px;display:flex}.main-nav a{color:var(--neutral-600);padding:28px 0;font-size:14px;text-decoration:none;position:relative}.main-nav a:hover,.main-nav a.active{color:var(--brand-700)}.main-nav a.active:after{content:"";background:var(--brand-500);border-radius:50%;width:5px;height:5px;position:absolute;bottom:18px;left:50%;transform:translate(-50%)}.menu-button{color:var(--brand-700);cursor:pointer;background:0 0;border:0;font-size:24px;display:none}.site-main{max-width:1180px;min-height:calc(100vh - 150px);margin:auto;padding:0 32px}.page{padding:20px 0 90px}.eyebrow{color:var(--brand-600);letter-spacing:.14em;align-items:center;gap:8px;font-size:12px;font-weight:700;display:inline-flex}.eyebrow-dot{background:var(--pink);border-radius:50%;width:7px;height:7px}h1{letter-spacing:-.04em;color:var(--neutral-800);margin:12px 0 14px;font-size:54px;line-height:1.25}h1 em,h2 em{color:var(--brand-500);font-style:normal}.hero-wrap{justify-content:space-between;align-items:center;gap:28px;min-height:300px;margin-bottom:12px;display:flex}.hero-copy{max-width:550px}.hero-subtitle{color:var(--neutral-600);margin:0 0 20px;font-size:18px;line-height:1.9}.hero-note{color:var(--neutral-500);margin-top:8px;font-size:12px}.sparkle{color:var(--pink);margin-right:5px}.hero-visual{flex-shrink:0;width:460px;height:360px;position:relative}.halo{filter:blur(2px);border-radius:50%;position:absolute}.halo-one{background:var(--brand-100);width:280px;height:280px;top:30px;right:50px}.halo-two{background:#e5f3f6;width:140px;height:140px;bottom:15px;right:0}.hero-orb{background:linear-gradient(145deg, #cfa9cc, var(--brand-500));color:#fff;width:160px;height:160px;box-shadow:var(--shadow-md);border-radius:50%;place-items:center;display:grid;position:absolute;top:90px;left:140px;transform:rotate(-8deg)}.hero-orb>span{text-shadow:0 4px #7b547526;font-size:78px;font-weight:700;line-height:1}.orb-wave{align-items:center;gap:4px;display:flex;position:absolute;bottom:30px;right:-12px;transform:rotate(8deg)}.orb-wave i{opacity:.8;background:#fff;border-radius:4px;width:4px}.orb-wave i:first-child{height:12px}.orb-wave i:nth-child(2){height:22px}.orb-wave i:nth-child(3){height:34px}.orb-wave i:nth-child(4){height:20px}.orb-wave i:nth-child(5){height:10px}.sound-card{border:1px solid var(--neutral-200);box-shadow:var(--shadow);color:var(--neutral-500);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffffdb;border-radius:12px;align-items:center;gap:10px;padding:12px 16px;font-size:12px;display:flex;position:absolute}.card-glyph{color:var(--brand-700);font-size:28px;font-weight:600}.card-a{top:70px;left:10px;transform:rotate(-8deg)}.card-b{top:110px;right:8px;transform:rotate(8deg)}.card-c{bottom:40px;left:38px;transform:rotate(5deg)}.button{border-radius:var(--radius-sm);height:40px;font:500 14px var(--font-ui);cursor:pointer;color:inherit;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:0 18px;text-decoration:none;transition:all .2s;display:inline-flex}.button:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.button-primary{background:var(--brand-500);color:#fff;box-shadow:0 5px 12px #a87ca133}.button-primary:hover:not(:disabled){background:var(--brand-600);transform:translateY(-1px)}.button-secondary{border-color:var(--brand-300);color:var(--brand-700);background:#fff}.button-secondary:hover:not(:disabled){background:var(--brand-50)}.button-ghost{color:var(--neutral-600);background:0 0}.button-danger{border-color:color-mix(in srgb, var(--error) 40%, var(--neutral-300));color:var(--error);background:#fff}.print-layout{grid-template-columns:1fr 1fr;gap:20px;display:grid}.panel{border:1px solid var(--neutral-200);border-radius:var(--radius-lg);box-shadow:var(--shadow);background:#fff;min-height:330px;padding:24px}.panel-top{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.panel h2{margin:0;font-size:18px}.panel-top>span{color:var(--neutral-500);font-size:12px}textarea{resize:none;border:1px solid var(--neutral-300);border-radius:var(--radius-sm);width:100%;height:145px;font:18px var(--font-ui);color:var(--neutral-800);background:#fff;outline:none;padding:16px}textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px #a87ca12e}.input-hint{color:var(--neutral-500);margin:8px 0 20px;font-size:12px}.input-hint.error{color:var(--error)}.action-row{flex-wrap:wrap;gap:8px;display:flex}.status-line{color:var(--neutral-500);align-items:center;gap:7px;margin-top:18px;font-size:12px;display:flex}.status-dot{background:var(--neutral-300);border-radius:50%;width:7px;height:7px}.status-line.ready{color:var(--brand-700)}.status-line.ready .status-dot{background:var(--mint)}.live-chip{background:#eef9f2;border-radius:99px;padding:4px 8px;color:#599b73!important;font-size:11px!important}.player-empty{text-align:center;color:var(--neutral-500);padding:28px 0}.empty-orb{background:var(--brand-50);width:66px;height:66px;color:var(--brand-500);border-radius:50%;place-items:center;margin:0 auto 14px;font-size:28px;display:grid}.player-empty p{color:var(--neutral-700);margin:0 0 3px;font-size:14px}.player-empty span{font-size:12px}.player-body{flex-direction:column;gap:22px;min-height:220px;display:flex}.now-playing{align-items:center;gap:14px;display:flex}.mini-orb{background:var(--brand-500);color:#fff;border-radius:50%;flex:none;place-items:center;width:48px;height:48px;font-size:18px;display:grid}.now-playing-copy{flex:1;min-width:0}.now-playing strong{letter-spacing:.04em;word-break:break-all;font-size:22px;line-height:1.35;display:block}.now-playing small{color:var(--neutral-500);margin-top:4px;font-size:12px;display:block}.player-transport{flex-direction:column;gap:12px;display:flex}.progress{background:var(--brand-100);border-radius:99px;height:5px;overflow:hidden}.progress>span{background:var(--brand-500);border-radius:99px;height:100%;transition:width .15s linear;display:block}.player-controls{color:var(--neutral-500);grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;font-size:12px;display:grid}.player-controls>span:first-child{justify-self:start}.player-controls>span:last-child{justify-self:end}.play-circle{background:var(--brand-500);color:#fff;cursor:pointer;border:0;border-radius:50%;width:44px;height:44px;font-size:15px}.play-circle:hover{filter:brightness(1.05)}.segment-block{border-top:1px solid var(--neutral-200);padding-top:4px}.segment-label{color:var(--neutral-500);letter-spacing:.06em;margin-bottom:10px;font-size:12px}.segment-list{flex-wrap:wrap;gap:8px;display:flex}.segment{border-radius:var(--radius-sm);background:var(--brand-50);color:var(--brand-700);border:0;padding:6px 11px;font-size:13px;line-height:1.2}.segment.missing{color:#b55d7f;background:#fbebf2}.notice-card{border-radius:var(--radius-md);background:#f1f8fa;align-items:flex-start;gap:14px;margin-top:20px;padding:18px 22px;display:flex}.notice-icon{color:var(--sky);font-size:20px}.notice-card strong{font-size:14px}.notice-card p{color:var(--neutral-600);margin:4px 0 0;font-size:12px}.page-intro{justify-content:space-between;align-items:end;gap:16px;margin-bottom:32px;display:flex}.page-intro h1{margin:10px 0;font-size:42px}.page-intro p{color:var(--neutral-500);margin:0}.phrase-count{border-radius:var(--radius-md);background:var(--brand-50);color:var(--brand-700);white-space:nowrap;padding:13px 18px;font-size:14px}.phrase-count strong{margin-right:4px;font-size:26px}.phrase-toolbar{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:26px;display:flex}.search-box{border:1px solid var(--neutral-300);border-radius:var(--radius-sm);height:42px;color:var(--neutral-500);background:#fff;flex:0 300px;align-items:center;gap:8px;padding:0 14px;display:flex}.search-box input{width:100%;font:14px var(--font-ui);color:var(--neutral-800);background:0 0;border:0;outline:0}.letter-nav{z-index:5;background:color-mix(in srgb, var(--neutral-50) 92%, transparent);flex-wrap:wrap;gap:5px;padding:6px 0;display:flex;position:sticky;top:84px}.letter{min-width:30px;height:30px;color:var(--neutral-500);cursor:pointer;font:500 13px var(--font-ui);background:0 0;border:0;border-radius:6px}.letter:hover,.letter.active{background:var(--brand-100);color:var(--brand-700)}.phrase-section{margin-bottom:28px;scroll-margin-top:130px}.phrase-section h3{color:var(--brand-600);letter-spacing:.08em;margin:0 0 12px;font-size:14px}.phrase-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.phrase-card{border:1px solid var(--neutral-200);border-radius:var(--radius-md);box-shadow:var(--shadow);background:#fff;justify-content:space-between;align-items:center;padding:17px 18px;transition:all .2s;display:flex}.phrase-card:hover{border-color:var(--brand-300);transform:translateY(-2px)}.phrase-card .hanzi{color:var(--neutral-800);font-size:19px;font-weight:600;display:block}.phrase-card .pinyin{color:var(--neutral-500);margin-top:3px;font-size:12px;display:block}.phrase-play{background:var(--brand-50);width:30px;height:30px;color:var(--brand-600);cursor:pointer;border:0;border-radius:50%}.empty-state{text-align:center;color:var(--neutral-500);grid-column:1/-1;padding:40px 20px}.about-card{text-align:center;border:1px solid var(--neutral-200);max-width:720px;box-shadow:var(--shadow);background:#fff;border-radius:24px;margin:55px auto 0;padding:58px 70px}.about-mark{background:var(--brand-500);color:#fff;border-radius:24px;place-items:center;width:72px;height:72px;margin:0 auto 20px;font-size:42px;font-weight:700;display:grid}.about-card h1{font-size:40px}.about-card p{color:var(--neutral-600);max-width:500px;margin:0 auto 35px;line-height:1.9}.about-meta{border-top:1px solid var(--neutral-200);flex-wrap:wrap;justify-content:center;gap:28px;padding-top:26px;display:flex}.about-meta div{flex-direction:column;gap:5px;display:flex}.about-meta span{color:var(--neutral-500);font-size:12px}.about-meta strong{color:var(--brand-700);font-size:14px}.site-footer{border-top:1px solid var(--neutral-200);max-width:1180px;color:var(--neutral-500);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:auto;padding:22px 32px;font-size:12px;display:flex}.footer-beian{text-align:center;flex:auto}.footer-beian a{color:var(--neutral-500);text-decoration:none}.footer-beian a:hover{color:var(--brand-700);text-decoration:underline}.footer-beian-sep{color:var(--neutral-300)}.admin-shell{background:var(--neutral-50);grid-template-columns:220px 1fr;min-height:100vh;display:grid}.admin-side{border-right:1px solid var(--neutral-200);background:#fff;flex-direction:column;gap:8px;padding:24px 16px;display:flex}.admin-side .brand{margin-bottom:20px;font-size:16px}.admin-side a{border-radius:var(--radius-sm);color:var(--neutral-600);padding:10px 12px;font-size:14px;text-decoration:none}.admin-side a.active,.admin-side a:hover{background:var(--brand-50);color:var(--brand-700)}.admin-main{padding:28px 32px}.admin-card{border:1px solid var(--neutral-200);border-radius:var(--radius-md);box-shadow:var(--shadow);background:#fff;margin-bottom:16px;padding:24px}.library-group{padding-top:16px;padding-bottom:12px}.library-group-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.library-group-head strong{margin-right:4px;font-size:16px}.library-table-wrap{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.chip{background:var(--brand-50);color:var(--brand-700);border-radius:999px;align-items:center;gap:4px;padding:3px 9px;font-size:12px;display:inline-flex}.chip .dim{color:var(--neutral-500)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.admin-stats{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px;display:grid}.stat{border:1px solid var(--neutral-200);border-radius:var(--radius-md);box-shadow:var(--shadow);background:#fff;padding:18px}.stat span{color:var(--neutral-500);font-size:12px}.stat strong{color:var(--brand-700);margin-top:6px;font-size:24px;display:block}.dropzone{border:1.5px dashed var(--brand-300);border-radius:var(--radius-md);text-align:center;background:var(--brand-50);color:var(--neutral-600);cursor:pointer;padding:36px 20px}.dropzone.hot{border-color:var(--brand-500);background:color-mix(in srgb, var(--brand-100) 70%, #fff)}.progress-bar{background:var(--neutral-100);border-radius:99px;height:8px;margin-top:12px;overflow:hidden}.progress-bar>i{background:var(--brand-500);height:100%;display:block}.table{border-collapse:collapse;width:100%;font-size:14px}.table th{text-align:left;background:var(--brand-50);color:var(--neutral-700);padding:10px 12px;font-weight:600}.table td{border-top:1px solid var(--neutral-200);padding:10px 12px}.login-wrap{place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{border:1px solid var(--neutral-200);border-radius:var(--radius-lg);width:min(400px,100%);box-shadow:var(--shadow-md);background:#fff;padding:32px}.field{gap:6px;margin-bottom:14px;display:grid}.field label{color:var(--neutral-600);font-size:13px}.field input{border:1px solid var(--neutral-300);border-radius:var(--radius-sm);height:40px;font:14px var(--font-ui);outline:none;padding:0 12px}.field input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px #a87ca12e}@media (width<=900px){.admin-shell{grid-template-columns:1fr}.admin-side{flex-flow:wrap;align-items:center}.admin-stats{grid-template-columns:repeat(2,1fr)}.admin-main{padding:20px 16px}.library-group .table{min-width:520px}}@media (width<=800px){.header-inner,.site-main,.site-footer{padding-left:16px;padding-right:16px}.main-nav{border-bottom:1px solid var(--neutral-200);box-shadow:var(--shadow);background:#fff;flex-direction:column;gap:0;padding:8px 16px 16px;display:none;position:absolute;top:76px;left:0;right:0}.main-nav.open{display:flex}.main-nav a{padding:12px}.menu-button{display:block}.hero-wrap{min-height:auto;padding:8px 0 28px;display:block}.hero-copy{max-width:none}h1{font-size:42px}.hero-visual{width:100%;height:280px;margin-top:20px}.hero-orb{width:140px;height:140px;top:70px;left:calc(50% - 70px)}.hero-orb>span{font-size:68px}.halo-one{width:220px;height:220px;top:24px;right:calc(50% - 110px)}.print-layout{grid-template-columns:1fr}.page{padding-top:12px}.page-intro{flex-direction:column;align-items:start}.page-intro h1{font-size:36px}.phrase-toolbar{flex-direction:column;align-items:stretch}.search-box{flex-basis:auto;width:100%}.phrase-grid{grid-template-columns:repeat(2,1fr)}.about-card{margin-top:20px;padding:40px 22px}.about-card h1{font-size:34px}}@media (width<=430px){.phrase-grid{grid-template-columns:1fr}.page-intro h1{font-size:32px}.admin-stats{grid-template-columns:1fr}}