:root{--navy:#123f76;--blue:#356fbc;--blue2:#4c83c7;--pale:#edf2f7;--line:#cbd7e6;--red:#c91524;--ink:#18314d;--muted:#6c7b8e;--white:#fff}*{box-sizing:border-box}body{color:var(--ink);background:#f5f7fa;margin:0;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.login-page{background:#fff;grid-template-columns:1.18fr .82fr;min-height:100vh;display:grid}.login-intro{color:#fff;background:linear-gradient(140deg,#103c70 0%,#245d9e 72%,#356fbc 100%);padding:9vh 9vw;position:relative;overflow:hidden}.login-intro:after{content:"";border:1px solid #ffffff29;border-radius:50%;width:500px;height:500px;position:absolute;bottom:-220px;right:-190px;box-shadow:0 0 0 90px #ffffff0a,0 0 0 180px #ffffff08}.login-brand{letter-spacing:2px;align-items:center;gap:12px;font-size:22px;font-weight:700;display:flex}.login-brand span,.brand-mark{background:var(--red);color:#fff;border-radius:5px;place-items:center;width:42px;height:42px;display:grid}.login-intro h1{letter-spacing:2px;margin:15vh 0 24px;font-size:54px;line-height:1.24}.login-intro>p{color:#dce8f5;max-width:590px;font-size:18px;line-height:1.9}.login-flow{align-items:center;gap:18px;margin-top:54px;font-size:15px;display:flex}.login-flow span{border-bottom:2px solid #ffffff94;padding:0 4px 10px}.login-flow i{color:#92b7df;font-style:normal}.login-card{place-items:center;padding:40px;display:grid}.login-card form{border:1px solid #d8e0e9;border-top:5px solid var(--blue);width:min(430px,100%);padding:42px;box-shadow:0 16px 45px #1e395b1c}.eyebrow{color:var(--blue);letter-spacing:1px;font-size:13px;font-weight:700}.login-card h2{margin:12px 0 8px;font-size:31px}.login-card form>p{color:var(--muted);margin:0 0 30px}.login-card label,.form-grid label{flex-direction:column;gap:8px;margin-bottom:18px;font-size:14px;font-weight:700;display:flex}.login-card input,.form-grid input,.form-grid textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fbfcfe;border-radius:4px;outline:none;padding:12px 14px}.login-card input:focus,.form-grid input:focus,.form-grid textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #356fbc1a}.primary-btn,.secondary-btn{border:0;border-radius:4px;padding:13px 20px;font-weight:700}.primary-btn{background:var(--blue);color:#fff;width:100%}.primary-btn:hover{background:var(--navy)}.safe-tip{text-align:center;color:#8794a4;margin-top:16px;display:block}.app-shell{min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:3;background:#fff;grid-template-columns:285px 1fr 220px;align-items:center;height:76px;padding:0 28px;display:grid;position:sticky;top:0}.brand{align-items:center;gap:11px;display:flex}.brand strong{font-size:20px}.brand small,.user-box small{color:var(--muted);margin-top:2px;display:block}.project-name{text-align:center}.project-name span{color:var(--muted);margin-right:10px;font-size:12px}.project-name b{font-size:15px}.user-box{text-align:right;justify-self:end;align-items:center;gap:16px;display:flex}.user-box button{border:1px solid var(--line);color:var(--navy);background:#fff;border-radius:4px;padding:7px 12px}.workspace{grid-template-columns:220px minmax(620px,1fr) 270px;min-height:calc(100vh - 76px);display:grid}.sidebar{background:var(--navy);color:#fff;padding:28px 16px}.side-title{letter-spacing:2px;color:#aac4e0;padding:0 10px 14px;font-size:13px}.nav-item{color:#dbe7f4;text-align:left;background:0 0;border:0;border-left:3px solid #0000;align-items:center;gap:12px;width:100%;padding:14px 10px;display:flex}.nav-item.active{background:#ffffff1a;border-left-color:#fff}.nav-num{color:#94b5d8;font-size:12px}.nav-item b{font-size:15px;display:block}.nav-item small{color:#a8c3df}.ability-card{border-top:1px 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19px;font-size:16px;font-weight:700}.work-card>.form-grid,.work-card>.primary-btn{margin-left:20px;margin-right:20px}.form-grid{grid-template-columns:1fr 1fr;gap:0 14px;padding-top:20px;display:grid}.form-grid .wide{grid-column:1/-1}.form-grid textarea{resize:vertical;min-height:78px}.compact{width:auto;margin-bottom:22px}.empty-result{text-align:center;height:330px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;padding:45px;display:flex}.empty-result span{border:1px solid var(--blue);width:50px;height:50px;color:var(--blue);place-items:center;margin-bottom:16px;font-weight:700;display:grid}.empty-result b{color:var(--ink);font-size:18px}.empty-result p{max-width:320px;line-height:1.7}.result-list,.evidence-result,.solution-result{padding:20px}.result-list>div:not(.ai-tip){border-bottom:1px solid #e7edf4;gap:12px;padding:10px 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b{color:var(--navy);font-size:24px;display:block}.scores span{color:var(--muted);font-size:12px}.scores i{background:var(--blue);height:3px;position:absolute;bottom:0;left:0}.records-panel{border-left:1px solid var(--line);background:#fff;padding:28px 20px}.record-head{justify-content:space-between;display:flex}.record-head span{color:var(--muted);font-size:12px}.record-note{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;font-size:13px;line-height:1.6}.empty-record{color:#8b98a8;padding:22px 4px;font-size:13px;line-height:1.7}.record{border-bottom:1px solid #e4eaf1;padding:14px 0}.record span,.record small{color:var(--muted);font-size:11px;display:block}.record b{margin:5px 0;font-size:13px;display:block}.privacy-note{color:#7a8898;background:#f5f7fa;margin-top:30px;padding:12px;font-size:11px;line-height:1.6}@media (max-width:1050px){.workspace{grid-template-columns:190px 1fr}.records-panel{display:none}.tool-grid{grid-template-columns:1fr}.topbar{grid-template-columns:240px 1fr 150px}.project-name{display:none}}@media (max-width:700px){.login-page{grid-template-columns:1fr}.login-intro{display:none}.login-card{min-height:100vh;padding:20px}.login-card form{padding:28px}.topbar{grid-template-columns:1fr auto;padding:0 14px}.brand small,.user-box small{display:none}.workspace{display:block}.sidebar{z-index:2;padding:8px;display:flex;position:sticky;top:76px}.side-title,.ability-card,.nav-num{display:none}.nav-item{border-bottom:3px solid #0000;border-left:0;justify-content:center;padding:10px 4px}.nav-item.active{border-bottom-color:#fff}.nav-item small{display:none}.main-panel{padding:22px 14px}.page-head{align-items:flex-start}.stage-chip{display:none}.form-grid{grid-template-columns:1fr}.form-grid label{grid-column:1/-1}.scores{grid-template-columns:1fr}}