/* 2026-09-05 完整新版视觉层：共享原业务组件，用统一令牌覆盖旧版内联颜色。 */
body.wb-next{--bg:#f4f6f2;--sidebar:#fff;--pillbg:#fff;--panel:#fff;--panel2:#fafbf8;--panel3:#f1f5f0;--panel4:#eaf1e9;--hovbg:#e7efe8;--t1:#263e34;--t2:#344b40;--t3:#4c6256;--t4:#607568;--t5:#687c6f;--t6:#758579;--t7:#78877d;--cy:#27765e;--cyh:#1e614c;--blu:#428877;--vio:#697ab0;--vioL:#6374a7;--vioT:#526494;--grn:#2c8059;--amb:#9b702a;--red:#bf5148;--onAcc:#fff;--l05:#edf0e9;--l08:#e7ece4;--l10:#e1e7dd;--l12:#dce4d8;--l14:#d5dfd1;--l15:#d5dfd1;--l18:#cbd7c6;--l20:#c3d0be;--l30:#acbfaa;font-family:system-ui,'Microsoft YaHei',sans-serif;line-height:1.55}
body.wb-next[data-theme="night"]{--bg:#17241e;--sidebar:#1c2b23;--pillbg:#223329;--panel:#213128;--panel2:#25362c;--panel3:#19291f;--panel4:#304335;--hovbg:#344b3d;--t1:#e6eee4;--t2:#d5e3d3;--t3:#c2d3c2;--t4:#aec3b0;--t5:#a1b5a4;--t6:#92ab99;--t7:#8ea795;--cy:#8dceb0;--cyh:#b2e3ca;--blu:#75b99a;--vio:#94a9d2;--vioL:#a3b5d9;--vioT:#c2cfee;--grn:#8bcca0;--amb:#dfbd7e;--red:#f19388;--onAcc:#14271b;--l05:#293d2f;--l08:#304635;--l10:#344b3a;--l12:#3a5040;--l14:#405848;--l15:#405848;--l18:#496653;--l20:#55705d;--l30:#6d8875}
.wb-next button,.wb-next input,.wb-next textarea{font:inherit}.wb-next button{cursor:pointer}.wb-next button:disabled{cursor:default;opacity:.5}.wb-next :focus-visible{outline:2px solid var(--cy)!important;outline-offset:3px}.wb-next svg{flex-shrink:0}.wb-next #app>div{background:var(--bg)!important;height:100dvh!important}.wb-next #app>div>div[style*="position:fixed"]{display:none}.wb-next #main-content{padding:32px clamp(22px,3vw,52px) 64px!important;scrollbar-gutter:stable;min-width:0}.wb-next #main-content>div{max-width:1480px;margin-inline:auto;animation:none!important}.wb-next #main-content h1{font-size:28px!important;font-weight:700!important;letter-spacing:-.03em!important}.wb-next #main-content h2{font-weight:650!important}.wb-next [style*="box-shadow"]{box-shadow:none!important}.wb-next .hv-card:hover,.wb-next .hv-nav:hover{box-shadow:none!important;background-color:var(--hovbg)!important;border-color:var(--cy)!important}.wb-next [style*="animation:btnGlow"],.wb-next [style*="animation:glowPulse"]{animation:none!important}
.wb-sidebar{width:232px;flex:none;display:flex;flex-direction:column;background:var(--sidebar);border-right:1px solid var(--l10);padding:29px 17px 16px;overflow-y:auto}.wb-brand{display:flex;gap:11px;align-items:center}.wb-brand>span{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:var(--cy);color:var(--onAcc)}.wb-brand svg{width:27px;height:27px}.wb-brand strong{display:block;font-size:16px;color:var(--t1);letter-spacing:.03em}.wb-brand small{display:block;font-size:10px;color:var(--t5);margin-top:3px}.wb-nav-label{font-size:10px;letter-spacing:.12em;color:var(--t6);margin:37px 12px 10px}.wb-sidebar nav{display:grid;gap:6px}.wb-nav{display:flex;align-items:center;gap:12px;border:0;border-radius:10px;background:transparent;color:var(--t4);padding:12px 13px;width:100%;text-align:left;font-size:13px!important;min-height:44px}.wb-nav svg,.wb-ai svg,.wb-person svg{width:20px;height:20px}.wb-nav.active{background:var(--hovbg);color:var(--cy);font-weight:650}.wb-nav:hover{background:var(--panel3)}.wb-ai{display:flex;gap:11px;align-items:center;padding:15px 12px;background:var(--panel3);border:1px solid var(--l12);border-radius:12px;margin-top:24px;text-align:left;color:var(--cy);font-size:12px!important}.wb-ai small{display:block;font-size:9px;color:var(--t5);margin-top:4px}.wb-sidebar-bottom{margin-top:auto;padding-top:35px}.wb-version{font-size:10px;color:var(--t5);display:block;padding:8px 12px}.wb-person{display:flex;align-items:center;gap:9px;padding:18px 4px 0;margin-top:15px;border-top:1px solid var(--l10)}.wb-avatar{background:var(--hovbg);color:var(--cy);width:34px;height:34px;display:grid;place-items:center;border-radius:50%}.wb-person>div{flex:1;min-width:0;overflow-wrap:anywhere}.wb-person strong{font-size:12px}.wb-person small{display:block;color:var(--t5);font-size:10px}.wb-person button{border:0;background:transparent;color:var(--t5);padding:7px}
.wb-login{min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr;background:var(--panel)}.wb-login-story{padding:46px clamp(32px,6vw,90px);background:var(--panel3);display:flex;flex-direction:column;justify-content:space-between;gap:70px}.wb-login-story h1{font-size:clamp(36px,4vw,60px);line-height:1.3;font-weight:600;letter-spacing:-.05em;margin:18px 0 24px;color:var(--t1)}.wb-login-story p{font-size:15px;line-height:1.9;color:var(--t4)}.wb-login-story .wb-eyebrow{font-size:10px;letter-spacing:.17em;color:var(--cy)}.wb-login-story>small{color:var(--t5);font-size:11px}.wb-story-note{display:flex;align-items:center;gap:17px;margin-top:40px;padding:24px;border:1px solid var(--l10);border-radius:16px;background:var(--panel);max-width:360px;font-size:15px}.wb-story-note svg{width:34px;height:34px;color:var(--cy)}.wb-story-note small{display:block;font-size:11px;color:var(--t5);margin-top:6px}.wb-login-side{padding:48px 32px;display:grid;place-items:center}.wb-login-form{width:100%;max-width:360px}.wb-login-form>.wb-brand{display:none}.wb-login-form h2{font-size:30px;letter-spacing:-.03em;color:var(--t1);margin:0 0 10px}.wb-login-form>p{font-size:13px;color:var(--t5);margin:0 0 32px}.wb-login-form label{display:block;margin:20px 0 8px;font-size:12px;color:var(--t3)}.wb-login-form input{width:100%;min-height:46px;padding:11px 13px;border:1px solid var(--l12);border-radius:10px;background:var(--panel2);color:var(--t1);font-size:14px}.wb-primary{display:block;width:100%;border:0;border-radius:10px;background:var(--cy);color:var(--onAcc);padding:13px;margin:24px 0 14px;font-size:14px!important}.wb-login-form .wb-help{font-size:11px;line-height:1.8;margin:14px 0;color:var(--t5)}.wb-divider{display:flex;gap:14px;align-items:center;font-size:11px;color:var(--t6);margin:28px 0 18px}.wb-divider:before,.wb-divider:after{content:'';height:1px;flex:1;background:var(--l10)}.wb-demo{display:flex;gap:12px}.wb-demo button{flex:1;min-height:44px;border:1px solid var(--l12);background:var(--panel);border-radius:10px;color:var(--t3);font-size:12px}.wb-login-form .wb-error{color:var(--red);margin:10px 0;font-size:12px}
.wb-course-row{flex-wrap:wrap!important;padding:16px!important;background:var(--panel2)!important;border-color:var(--l10)!important}.wb-course-row .lesson-note{min-width:180px!important;min-height:40px}.wb-table-scroll{max-width:100%;overflow-x:auto;border-radius:8px}.wb-student-card{min-width:0;overflow-wrap:anywhere;transition:border-color .15s}.wb-student-card [data-action="hw-note"],.wb-student-card [data-action="trk-note"]{min-height:36px;display:grid;place-items:center}.wb-next textarea{line-height:1.8!important;min-height:88px;resize:vertical!important}.wb-next #main-content a{min-height:24px;display:inline-flex;align-items:center}
@media(min-width:769px) and (max-width:1100px){.wb-sidebar{width:200px;padding:24px 12px}.wb-next #main-content{padding:25px 22px 50px!important}.wb-brand strong{font-size:14px}.wb-nav{font-size:12px!important}}
@media(max-width:768px){.wb-login{display:block}.wb-login-story{display:none}.wb-login-side{min-height:100dvh;padding:32px 24px}.wb-login-form>.wb-brand{display:flex;margin-bottom:42px}.wb-next #main-content{padding:20px 16px 32px!important}.wb-next #main-content h1{font-size:23px!important}.wb-student-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:9px!important}.wb-next #main-content [data-action="records-date"],.wb-next #main-content [data-action="trk-date"],.wb-next #main-content [data-action="nt-date"]{min-width:38px;min-height:38px;display:inline-grid;place-items:center}.wb-student-card{padding:12px 10px!important;min-height:100px}.wb-next [data-action="hw-item"]{min-height:38px;display:inline-flex;align-items:center}.wb-next #rec-toast,.wb-next #trk-toast{bottom:calc(82px + env(safe-area-inset-bottom))!important;max-width:calc(100vw - 28px);white-space:normal;min-width:280px}.wb-next #ai-token-card{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.wb-next *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.wb-next .formal-home-welcome{padding:22px 25px;background:var(--panel4);border:1px solid var(--l10);border-radius:17px}
.wb-mobile-shell{display:flex;flex-direction:column;height:100dvh}.wb-mobile-shell #main-content{flex:1;min-height:0;overflow-y:auto}.wb-mobile-header{display:flex;align-items:center;gap:8px;padding:16px;border-bottom:1px solid var(--l10);background:var(--sidebar)}.wb-mobile-header .wb-brand{flex:1;min-width:0}.wb-mobile-header .wb-brand strong{font-size:14px}.wb-mobile-header .wb-brand small{font-size:9px}.wb-mobile-header .wb-brand>span{width:33px;height:33px}.wb-mobile-header button{padding:9px;border:0;background:transparent;color:var(--t5)}.wb-mobile-header button svg{width:18px;height:18px}.wb-mobile-tabs{display:flex;padding:8px 14px calc(9px + env(safe-area-inset-bottom));border-top:1px solid var(--l10);background:var(--sidebar);flex:none}.wb-mobile-tabs button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:46px;border:0;background:transparent;color:var(--t5);font-size:11px}.wb-mobile-tabs svg{width:21px;height:21px}.wb-mobile-tabs [aria-current="page"]{color:var(--cy);font-weight:650}
.wb-next dialog#ai-token-pop{width:min(580px,calc(100vw - 28px));max-height:calc(100dvh - 40px);border:1px solid var(--l14);padding:25px;border-radius:17px;color:var(--t2);background:var(--pillbg);overflow-y:auto}.wb-next dialog#ai-token-pop::backdrop{background:#15271f80;backdrop-filter:blur(3px)}
.wb-empty{padding:60px 24px;text-align:center;background:var(--panel);border:1px solid var(--l10);border-radius:16px}.wb-empty>div svg{width:44px;height:44px;color:var(--cy)}.wb-empty h1{margin:18px 0 8px}.wb-empty h2{font-size:17px;margin:20px 0 12px}.wb-empty p{font-size:13px;line-height:1.9;color:var(--t5)}.wb-empty .wb-primary{max-width:260px;margin:25px auto 0}.wb-next #main-content h1,.wb-next #main-content h2{overflow-wrap:anywhere}.wb-next #main-content input,.wb-next #main-content textarea{max-width:100%}