:root{--cream:#f7f3ea;--paper:#fffdf8;--ink:#183b32;--muted:#6c7b73;--orange:#e86f3a;--gold:#e9a23b;--line:#e7e2d8;--shadow:0 18px 50px rgba(35,59,49,.1)}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.spark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--orange);color:#fff;font-size:22px;box-shadow:0 8px 18px rgba(232,111,58,.25)}.eyebrow{color:var(--orange);font-size:11px;font-weight:800;letter-spacing:.16em}.login{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr}.login-story{background:var(--ink);color:#fff;padding:44px 8vw;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.login-story:after{content:"✦";position:absolute;right:-40px;top:70px;font-size:420px;color:rgba(255,255,255,.035)}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800}.story-copy{position:relative;z-index:1}.story-copy h1{font-family:Georgia,"Songti SC",serif;font-size:52px;line-height:1.35;margin:16px 0}.story-copy p{max-width:520px;line-height:1.9;color:#c3d1ca}.story-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.story-pills span{padding:8px 12px;border:1px solid rgba(255,255,255,.15);border-radius:20px;background:rgba(255,255,255,.05);font-size:11px}.privacy{font-size:10px;color:#94a99f}.login-panel{display:grid;place-items:center;background:var(--paper);padding:30px}.login-panel form{width:min(390px,100%)}.login-panel h2{font-family:Georgia,"Songti SC",serif;font-size:34px;margin:10px 0 6px}.sub{font-size:13px;color:var(--muted);margin-bottom:28px}.field{display:block;font-size:11px;font-weight:700;margin-top:16px}.field input,.field textarea,.field select{width:100%;margin-top:7px;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;outline:none}.field input:focus,.field textarea:focus{border-color:var(--orange)}.password{position:relative}.password button{position:absolute;right:8px;top:13px;border:0;background:none;color:var(--orange);font-size:11px}.primary{width:100%;margin-top:20px;padding:13px 16px;border:0;border-radius:10px;background:var(--orange);color:#fff;font-weight:800}.error{color:#bf4936;font-size:11px;margin-top:10px}.demo{margin-top:18px;padding:13px;border:1px dashed #d8bea6;border-radius:11px;background:#f8f1e7;display:grid;grid-template-columns:1fr 1fr;gap:4px;font-size:10px;color:#725e4c}.demo b{grid-column:1/-1;color:var(--orange)}.topbar{height:76px;display:flex;align-items:center;padding:0 max(24px,calc((100vw - 1240px)/2));background:rgba(255,253,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.topbar .brand{min-width:220px;background:none;border:0;color:var(--ink);text-align:left}.brand-text small{display:block;font-size:9px;color:#8c9690;font-weight:400;margin-top:3px}.nav{height:100%;display:flex;gap:30px;margin:auto}.nav button{position:relative;border:0;background:none;color:#65756c}.nav button.active{color:var(--orange);font-weight:800}.nav button.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--orange);border-radius:3px}.account{min-width:220px;display:flex;align-items:center;justify-content:flex-end;gap:9px}.avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#e4c7a5;color:#705035;font-weight:800}.account span small{display:block;font-size:9px;color:#8b958f}.logout{border:0;border-radius:8px;background:#f1ece4;padding:7px 9px;color:#68766e}.shell main{max-width:1240px;margin:auto;padding:38px 24px 70px}.welcome{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px}.welcome h1,.page-title h1{font-family:Georgia,"Songti SC",serif;font-size:34px;margin:9px 0 7px}.welcome p,.page-title p{color:var(--muted);margin:0}.score-mini{width:240px;padding:13px 16px;background:var(--paper);border:1px solid var(--line);border-radius:14px}.score-mini span{font-size:10px;color:var(--muted)}.score-mini b{float:right;font-size:25px;color:var(--orange)}.bar{height:6px;background:#ede8de;border-radius:8px;overflow:hidden;clear:both}.bar i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,var(--orange),var(--gold))}.home-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:20px}.card{background:var(--paper);border:1px solid var(--line);border-radius:19px;box-shadow:0 8px 28px rgba(44,66,56,.05)}.card-head{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line)}.card-head h2{font-size:17px;margin:0}.card-head p{font-size:10px;color:var(--muted);margin:4px 0 0}.ai-title{display:flex;align-items:center;gap:10px}.online{font-size:10px;color:#4d7a65;background:#e8f2eb;padding:5px 9px;border-radius:20px}.messages{height:360px;padding:22px;overflow:auto;background:linear-gradient(180deg,#fffdf8,#fbf7ef)}.msg{display:flex;gap:8px;margin-bottom:17px}.msg.user{justify-content:flex-end}.bubble{max-width:78%;font-size:13px;line-height:1.65;background:#eaf0eb;padding:11px 13px;border-radius:4px 14px 14px;color:#344d44}.msg.user .bubble{background:var(--orange);color:#fff;border-radius:14px 4px 14px 14px}.msg .mini-spark{width:28px;height:28px;border-radius:9px;background:var(--orange);color:#fff;display:grid;place-items:center}.tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}.tags span{font-size:9px;padding:3px 7px;border:1px solid #f0cdb8;background:#fff4e9;color:#bd5b30;border-radius:10px}.quick{padding:12px 19px 0;display:flex;gap:7px;flex-wrap:wrap}.quick button{border:1px solid #e5d7c6;background:#fff9f1;color:#725d4b;border-radius:18px;padding:7px 10px;font-size:10px}.composer{margin:11px 19px 0;padding:8px;border:1px solid var(--line);border-radius:13px;background:#fff;display:flex;align-items:end}.composer:focus-within{border-color:var(--orange)}.composer textarea{flex:1;height:48px;padding:8px;border:0;outline:0;resize:none;font-size:12px}.composer button{width:35px;height:35px;border:0;border-radius:9px;margin-left:6px}.mic{background:#f2eee8;color:var(--orange)}.send{background:var(--orange);color:#fff;font-weight:900}.safe{text-align:center;font-size:9px;color:#979f9a;padding:9px 0 14px}.profile-peek{padding-bottom:8px}.profile-peek .card-head button,.link{border:0;background:none;color:var(--orange);font-size:10px}.tag-bars{padding:16px 21px}.tag-row{display:grid;grid-template-columns:1fr 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b{font-size:36px;color:#f0a071}.timeline{padding:20px}.timeline-item{display:flex;gap:12px;padding-bottom:22px}.time-dot{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#ffecdf;color:var(--orange)}.timeline-item small{color:var(--orange);font-size:9px}.timeline-item h3{font-size:12px;margin:3px 0}.timeline-item p{font-size:10px;color:var(--muted);margin:0}.feedback{padding:23px}.feedback h2{margin:8px 0}.stars button{border:0;background:none;color:#d3cfc7;font-size:21px;padding:0 3px}.stars button.on{color:var(--gold)}.gain{display:flex;gap:7px;margin-top:7px}.gain button{width:30px;height:30px;border:1px solid var(--line);background:#fff;border-radius:8px}.gain button.on{background:var(--orange);color:#fff}.history{margin-top:18px}.history-list{padding:8px 20px 17px}.history-row{display:grid;grid-template-columns:75px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:11px}.history-row span{color:var(--orange)}.toast{position:fixed;right:25px;bottom:25px;padding:12px 17px;border-radius:11px;background:var(--ink);color:#fff;font-size:11px;box-shadow:var(--shadow);z-index:50}footer{max-width:1240px;margin:auto;padding:20px 24px 30px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#8c9690;font-size:9px}@media(max-width:900px){.login{grid-template-columns:1fr}.login-story{display:none}.login-panel{min-height:100vh}.topbar{padding:0 15px}.topbar .brand{min-width:0}.brand-text small,.account>span:not(.avatar),.logout{display:none}.account{min-width:0}.nav{position:fixed;bottom:0;left:0;right:0;height:57px;background:#fff;justify-content:space-around;gap:0;border-top:1px solid var(--line)}.shell main{padding:25px 15px 80px}.home-grid,.portrait-grid,.two-col{grid-template-columns:1fr}.courses{grid-template-columns:1fr 1fr}.kpis{grid-template-columns:1fr 1fr}.score-mini{display:none}footer{padding-bottom:75px}.nav button{font-size:11px}}@media(max-width:600px){.courses{grid-template-columns:1fr}.welcome h1,.page-title h1{font-size:27px}.messages{height:390px}.hero-score{display:none}.story-copy h1{font-size:38px}footer{display:block;text-align:center}}