:root{--ink:#173740;--ink-soft:#385a61;--muted:#647a80;--teal:#0e837e;--teal-dark:#203c43;--line:#d5e2e4;--line-strong:#c5d5d8;--mist:#eaf3f4;--white:#fff;--shadow:0 12px 32px rgba(31,72,80,.08);--radius:12px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--mist);color:var(--ink);font-family:"Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(31,92,196,.32);outline-offset:3px}
.site-header{background:var(--teal-dark);color:#e9f4f4;box-shadow:0 1px 0 rgba(10,44,50,.14)}.site-header-inner{width:min(1180px,calc(100% - 40px));min-height:72px;margin:auto;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:9px;min-width:220px}.brand-mark{width:29px;height:29px;border-radius:9px;border:1px solid rgba(130,229,228,.7);background:linear-gradient(140deg,#4eabb3,#256c7d);display:inline-flex;align-items:end;justify-content:center;gap:3px;padding:5px;transform:rotate(-12deg)}.brand-mark span{display:block;width:3px;border-radius:3px;background:#d5ffff}.brand-mark span:nth-child(1){height:8px}.brand-mark span:nth-child(2){height:15px}.brand-mark span:nth-child(3){height:11px;background:#9ce9ea}.brand-copy{display:flex;flex-direction:column;line-height:1.12}.brand-copy strong{font-size:17px;letter-spacing:-.03em}.brand-copy small{color:#9dc2c4;font-size:10px;margin-top:3px}.primary-nav{display:flex;align-items:center;justify-content:center;gap:24px;flex:1;font-size:14px;color:#c8dddd;white-space:nowrap}.primary-nav a{padding:24px 0 20px;border-bottom:2px solid transparent}.primary-nav a:hover,.primary-nav a.active{color:#fff;border-bottom-color:#73ded8}.header-actions{display:flex;align-items:center;gap:9px;white-space:nowrap}.icon-button,.account-link{border:1px solid rgba(210,239,239,.22);background:rgba(255,255,255,.04);color:#e4f2f2;border-radius:10px;height:35px;padding:0 11px}.icon-button{width:38px;padding:0;font-size:20px;line-height:1}.account-link{font-size:13px;border-radius:18px;padding:0 14px}.theme-dot{font-size:22px;color:#9fd6d4;margin-left:3px}.page-shell{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:38px 0 72px}.page-heading-row{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;margin:0 0 28px}.breadcrumb{margin:0 0 7px;color:#6f888d;font-size:12px}.page-heading-row h1,.panel-heading-row h1{font-size:36px;line-height:1.2;letter-spacing:-.04em;margin:0 0 8px}.page-lede{margin:0;color:#627a80;font-size:14px}.resource-chip{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;min-width:220px;box-shadow:0 4px 12px rgba(34,76,84,.04)}.resource-icon{font-size:27px;color:var(--teal)}.resource-chip strong,.resource-chip small{display:block}.resource-chip strong{font-size:14px}.resource-chip small{font-size:11px;color:#718589;margin-top:2px}.platform-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:31px 27px 25px}.panel-heading-row{display:flex;align-items:flex-start;justify-content:space-between;gap:25px}.panel-heading-row h2{font-size:27px;line-height:1.25;letter-spacing:-.035em;margin:0 0 5px}.panel-heading-row p{font-size:13px;color:#6b7f84;margin:0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:8px;padding:0 17px;border:1px solid var(--line-strong);font-size:14px;transition:background .16s ease,border-color .16s ease,transform .16s ease}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--teal);border-color:var(--teal);color:#fff}.button-primary:hover{background:#0b716d}.button-outline{background:#fff;color:#22505a;border-color:#9db5bb}.button-outline:hover{background:#f1f8f8;border-color:#6e9ca2}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}.course-card{min-height:247px;border:1px solid var(--line);border-radius:12px;padding:24px 24px 20px;display:flex;flex-direction:column;justify-content:space-between;background:#f8fcfc}.course-card-main{background:linear-gradient(135deg,#f5fbfa,#fff)}.course-card-muted{background:linear-gradient(135deg,#f4f7fc,#fbfcff)}.course-card-top,.course-card-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px}.course-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:10px;background:#e2f2f0;color:var(--teal);font-size:24px}.course-count{font-size:13px;color:#657a7f}.course-kicker{display:block;color:#6d898c;font-size:11px;margin:17px 0 7px}.course-card h3{font-size:28px;letter-spacing:-.04em;margin:0 0 8px}.course-card p{font-size:13px;color:#64797d;margin:0;max-width:350px}.course-status{display:inline-flex;align-items:center;gap:7px;color:#31806f;font-size:12px}.course-status i{width:8px;height:8px;border-radius:50%;background:#50c9a2;box-shadow:0 0 0 4px rgba(80,201,162,.13)}.course-status.muted{color:#72848d}.course-status.muted i{background:#9eafb6;box-shadow:none}.course-link{color:#226e6d;font-size:14px;font-weight:600}.link-button{background:transparent;border:0;padding:0}.panel-footnote{border-top:1px solid #edf2f2;margin-top:22px;padding-top:17px;color:#647b80;font-size:12px}.panel-footnote span{color:var(--teal);font-size:18px;margin-right:5px}
.workspace-strip{display:flex;justify-content:space-between;align-items:center;gap:25px;margin:22px 0;padding:24px 27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.section-kicker{margin:0 0 7px;color:var(--teal);font-size:11px;font-weight:700;letter-spacing:.08em}.workspace-strip h2,.section-title h2{font-size:24px;letter-spacing:-.035em;line-height:1.3;margin:0 0 5px}.workspace-strip p{color:#687e83;font-size:13px;margin:0}.workspace-actions{display:flex;gap:10px;flex-shrink:0}.security-section,.migration-panel{margin-top:54px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:18px}.review-badge,.migration-note,.pill{display:inline-flex;align-items:center;border:1px solid #c1dbd9;border-radius:20px;padding:6px 11px;color:#417b79;background:#f3fbfa;font-size:11px;white-space:nowrap}.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.security-grid article{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 19px;min-height:143px}.security-grid strong{font-size:15px}.security-grid p{color:#687e83;font-size:13px;line-height:1.75;margin:10px 0 0}.migration-panel{background:#f5fafa;border:1px solid var(--line);border-radius:var(--radius);padding:25px 27px}.migration-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.migration-step{border:1px solid var(--line);border-radius:9px;background:#fff;padding:16px 13px;display:grid;grid-template-columns:28px 1fr;column-gap:8px}.migration-step>span{color:#4e8c90;font:600 17px/1 Georgia,serif}.migration-step strong,.migration-step small{display:block}.migration-step strong{font-size:13px}.migration-step small{font-size:11px;color:#71868a;line-height:1.5;margin-top:4px}.migration-step b{grid-column:2;color:#91a2a5;font-size:10px;font-weight:400;margin-top:9px}.migration-step.done{border-color:#aad6c8;background:#fbfffd}.migration-step.done b{color:#31806f}.migration-step.current{border-color:#8ec8c7;background:#f4fcfb}.migration-step.current b{color:var(--teal)}.site-footer{min-height:62px;border-top:1px solid #d6e2e3;color:#71878b;font-size:11px;display:flex;justify-content:center;align-items:center;gap:20px;padding:15px 20px}.site-footer a{color:#3d7779}.site-footer .icp-record{font-weight:600;color:#2d7775}.login-dialog{width:min(440px,calc(100% - 32px));border:0;border-radius:14px;padding:30px 28px;color:var(--ink);box-shadow:0 25px 80px rgba(24,61,70,.23)}.login-dialog::backdrop{background:rgba(18,53,61,.38)}.dialog-close{position:absolute;right:13px;top:10px;border:0;background:transparent;color:#6b8185;font-size:25px}.login-dialog h2{margin:0 0 8px;font-size:26px}.dialog-copy{font-size:13px;color:#687e83;line-height:1.75;margin:0 0 18px}.role-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.role-options button{min-height:82px;text-align:left;border:1px solid var(--line-strong);border-radius:9px;background:#f7fbfb;color:var(--ink);padding:14px}.role-options button:hover{border-color:#66a9a6;background:#eff9f8}.role-options span,.role-options small{display:block}.role-options span{font-weight:700;font-size:14px}.role-options small{color:#71868a;font-size:11px;margin-top:5px}.login-feedback{min-height:21px;color:var(--teal);font-size:12px;margin:15px 0 0}.toast{position:fixed;left:50%;bottom:24px;z-index:20;transform:translate(-50%,18px);opacity:0;pointer-events:none;background:#173e47;color:#fff;border-radius:8px;padding:10px 16px;font-size:13px;transition:opacity .18s ease,transform .18s ease}.toast.is-visible{opacity:1;transform:translate(-50%,0)}.context-banner{margin-bottom:18px;padding:13px 16px;border:1px solid #c8dddd;border-radius:8px;background:rgba(255,255,255,.7);color:#315b63;font-size:13px}.context-banner span{color:#789096;margin-left:12px}.teacher-panel,.student-panel{padding:30px 26px}.button-row,.quick-actions,.teacher-card-actions{display:flex;flex-wrap:wrap;gap:9px}.current-class{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:25px;padding:15px 17px;border:1px solid #c8dddd;border-radius:8px;background:#f4fbfa}.current-class strong{font-size:15px}.current-class span{color:#70868b;font-size:12px}.quick-actions{padding:18px 0;border-bottom:1px solid #e6eeee}.subsection-title{font-size:21px;margin:27px 0 15px}.teacher-course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.teacher-course-card{min-height:210px;border:1px solid #c5dce0;border-radius:9px;background:#f7fbff;padding:21px 19px;display:flex;flex-direction:column;justify-content:space-between}.teacher-course-card h3{font-size:21px;margin:0 0 6px}.teacher-course-card p{font-size:13px;margin:0;color:#657c82}.teacher-course-card small{display:block;font-size:11px;color:#83969a;margin-top:11px}.teacher-card-actions{margin-top:20px}.muted-card{background:#fbfcfc}.pill.muted{background:#f4f7f8;border-color:#d7e1e2;color:#849497}.teacher-data-note,.student-data-note{display:flex;align-items:center;gap:13px;margin-top:21px;padding:13px 15px;background:#f5fbfa;border:1px solid #cfe3e0;border-radius:8px;color:#59777c;font-size:12px}.teacher-data-note strong,.student-data-note strong{color:#2c7775;white-space:nowrap}.class-entry{margin:25px 0 28px;padding:19px;border:1px solid #c9dddd;border-radius:9px;background:#f5fbfa}.class-entry label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}.class-entry>div{display:flex;gap:9px}.class-entry input{min-height:42px;flex:1;border:1px solid #afc7ca;border-radius:7px;padding:0 12px;color:var(--ink);background:#fff}.class-entry input::placeholder{color:#99a9ac}.class-entry small{display:block;color:#788c90;font-size:11px;margin-top:8px}.student-course-card{display:flex;justify-content:space-between;align-items:center;gap:18px;border:1px solid #c5dce0;border-radius:9px;background:#f7fbff;padding:20px}.student-course-main{display:flex;align-items:center;gap:14px}.student-course-main h3{font-size:20px;margin:0 0 4px}.student-course-main p{color:#667d82;font-size:13px;margin:0 0 8px}.student-data-note{flex-wrap:wrap}.student-data-note a{color:#2d7775;margin-left:auto}
.demo-page{background:#eef5f5}.demo-page .site-header{position:sticky;top:0;z-index:3}.demo-shell{padding-top:32px}.demo-breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#7b8e92;margin-left:auto}.demo-breadcrumb strong{color:#d8eded}.demo-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:22px}.demo-intro h1{font-size:35px;letter-spacing:-.045em;line-height:1.18;margin:8px 0}.demo-intro h1 em{font-style:normal;color:#168c89}.demo-intro p{max-width:650px;color:#647b80;font-size:14px;margin:0}.demo-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid #c5dedb;border-radius:20px;background:#f8fffd;color:#4c807c;padding:7px 12px;font-size:11px;white-space:nowrap}.pulse{width:7px;height:7px;border-radius:50%;background:#4ac89f;box-shadow:0 0 0 4px rgba(74,200,159,.14)}.experiment-card{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.75fr);border:1px solid #c9dfe1;border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.experiment-visual{min-height:430px;background:#102d3b;position:relative;display:flex;align-items:center}.experiment-visual canvas{display:block;width:100%;height:auto;min-height:390px}.canvas-caption{position:absolute;bottom:16px;left:23px;right:23px;display:flex;justify-content:space-between;color:#afd2d4;font-size:11px}.canvas-caption b{color:#ebffff;font-weight:600}.experiment-panel{padding:26px 23px;border-left:1px solid #d6e4e5;background:#fff}.panel-heading h2{font-size:24px;margin:8px 0 24px}.control-block{padding:17px 0;border-top:1px solid #e1ebeb;border-bottom:1px solid #e1ebeb}.control-label{display:flex;justify-content:space-between;font-size:13px}.control-label output{color:#14837e;font-family:Georgia,serif;font-size:17px}input[type=range]{width:100%;accent-color:#158d89;margin:19px 0 6px}.range-meta{display:flex;justify-content:space-between;color:#82969a;font-size:10px}.panel-actions{display:flex;gap:8px;margin:20px 0}.panel-actions .button{flex:1;padding:0 10px;font-size:12px}.observation{padding:14px;border:1px solid #cde4df;background:#f3fbf9;border-radius:8px}.observation-tag{display:block;color:#7a9293;font-size:10px;letter-spacing:.08em}.observation strong{display:block;color:#2a8876;font-size:15px;margin:4px 0}.observation p{color:#6d8387;font-size:12px;line-height:1.6;margin:0}.formula-box{margin-top:18px;color:#73878b;font-size:11px}.formula-box strong{display:block;color:#1e5d67;font:italic 23px Georgia,serif;margin:6px 0}.formula-box small{color:#8a9a9d}.demo-notes{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:17px}.demo-notes article{padding:20px;border:1px solid #cbdfe1;border-radius:9px;background:#fff}.demo-notes article>span{font-size:11px;color:#158581}.demo-notes h3{font-size:17px;margin:10px 0 6px}.demo-notes p{color:#6b8084;font-size:13px;line-height:1.75;margin:0}
@media(max-width:1080px){.primary-nav{gap:15px;font-size:13px}.brand{min-width:190px}.migration-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.site-header-inner{width:min(100% - 28px,1180px);flex-wrap:wrap;padding:11px 0;gap:9px}.brand{min-width:0;margin-right:auto}.primary-nav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;gap:20px}.primary-nav a{padding:8px 0 7px}.header-actions .icon-button,.theme-dot{display:none}.page-shell{width:min(100% - 28px,1180px);padding-top:27px}.page-heading-row,.panel-heading-row,.workspace-strip,.section-title,.demo-intro{display:block}.resource-chip{margin-top:18px;width:max-content}.panel-heading-row>.button,.panel-heading-row>.review-badge{margin-top:15px}.workspace-actions{margin-top:18px}.security-grid{grid-template-columns:1fr}.migration-grid{grid-template-columns:1fr 1fr}.experiment-card{grid-template-columns:1fr}.experiment-panel{border-left:0;border-top:1px solid #d6e4e5}.experiment-visual{min-height:330px}.teacher-course-grid{grid-template-columns:1fr}.current-class{display:block}.current-class span{display:block;margin-top:6px}.student-course-card{align-items:flex-start;flex-direction:column}.student-data-note a{margin-left:0}}
@media(max-width:560px){.page-heading-row h1,.panel-heading-row h1{font-size:30px}.platform-panel,.migration-panel,.workspace-strip{padding:21px 17px}.course-grid{grid-template-columns:1fr}.course-card{min-height:220px;padding:20px}.workspace-strip h2,.section-title h2{font-size:21px}.migration-grid{grid-template-columns:1fr}.site-footer{justify-content:flex-start;align-items:flex-start;flex-direction:column;gap:3px}.role-options{grid-template-columns:1fr}.class-entry>div{display:block}.class-entry input{width:100%;margin-bottom:9px}.class-entry .button{width:100%}.experiment-visual{min-height:280px}.experiment-visual canvas{min-height:260px}.canvas-caption{left:12px;right:12px;font-size:9px}.demo-notes{grid-template-columns:1fr}.demo-intro h1{font-size:30px}.demo-badge{margin-top:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

.policy-link{display:inline-block;color:#2d7775;font-size:12px;margin-top:8px}.policy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-top:25px}.policy-card{border:1px solid var(--line);border-radius:10px;padding:21px;background:#fbfefe}.policy-card h2{font-size:19px;margin:0 0 10px}.policy-card ul{padding-left:20px;margin:0;color:#667d82;font-size:13px;line-height:1.9}.policy-callout{display:flex;gap:15px;align-items:center;margin-top:18px;padding:15px 17px;border:1px solid #c8dddd;border-radius:8px;background:#f3fbfa;color:#5c777c;font-size:12px}.policy-callout strong{color:#2c7775;white-space:nowrap}@media(max-width:560px){.policy-grid{grid-template-columns:1fr}.policy-callout{display:block}.policy-callout span{display:block;margin-top:6px}}
.class-management{margin-top:30px;padding-top:26px;border-top:1px solid #e5eeee}.management-copy{color:#687e83;font-size:13px;margin:0 0 15px}.class-list{display:grid;gap:10px}.class-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:15px;border:1px solid #c8dddd;border-radius:9px;background:#fbfefe;padding:15px 16px}.class-row-main strong,.class-row-main span{display:block}.class-row-main strong{font-size:14px}.class-row-main span{color:#71868a;font-size:11px;margin-top:5px}.class-row code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#286d70;background:#eef8f7;padding:2px 5px;border-radius:4px}.class-state{font-size:11px;border-radius:12px;padding:5px 9px;color:#2f7b69;background:#eaf8f1;white-space:nowrap}.class-state.disabled{color:#8a6a3b;background:#fff5dd}.class-row-actions{display:flex;gap:8px}.text-button{border:0;background:transparent;color:#287777;font-size:12px;padding:5px}.text-button:hover{text-decoration:underline}.text-button.danger{color:#a05757}.class-row.is-cleared{opacity:.63}.class-row.is-cleared .class-row-main:after{content:'互动记录已清空（合成预览）';display:block;color:#8d6a6a;font-size:11px;margin-top:5px}.class-dialog{width:min(440px,calc(100% - 32px));border:0;border-radius:14px;padding:30px 28px;color:var(--ink);box-shadow:0 25px 80px rgba(24,61,70,.23)}.class-dialog::backdrop{background:rgba(18,53,61,.38)}.class-dialog h2{margin:0 0 18px;font-size:25px}.class-dialog label{display:block;color:#527078;font-size:12px;margin:12px 0 6px}.class-dialog input,.class-dialog select{width:100%;min-height:42px;border:1px solid #afc7ca;border-radius:7px;padding:0 11px;color:var(--ink);background:#fff}.dialog-form-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}.dialog-note{color:#7b9094;font-size:11px;margin:17px 0 0}.entry-feedback{min-height:20px;margin:10px 0 0;font-size:12px}.entry-feedback.success{color:#2d7d6e}.entry-feedback.error{color:#a25959}@media(max-width:700px){.class-row{grid-template-columns:1fr auto}.class-row-actions{grid-column:1/-1;border-top:1px solid #edf3f3;padding-top:9px}.class-state{justify-self:end}}
.privacy-strip{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:28px;padding:16px 19px;border:1px solid #cfe1e2;border-radius:10px;background:rgba(255,255,255,.78);color:#5c777c;font-size:12px}.privacy-strip strong{color:#286d70;font-size:13px;margin-right:12px}.privacy-strip span{color:#72878b}.privacy-strip .policy-link{margin:0;white-space:nowrap}@media(max-width:700px){.privacy-strip{display:block}.privacy-strip strong,.privacy-strip span{display:block;margin:0}.privacy-strip span{margin-top:4px}.privacy-strip .policy-link{margin-top:9px}}
.activities-shell{padding-bottom:66px}.activity-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:22px;margin:4px 0 20px;padding:22px 24px;border:1px solid #cfe1e2;border-radius:12px;background:#f8fcfc}.activity-intro h2{font-size:24px;letter-spacing:-.035em;line-height:1.3;margin:0 0 5px}.activity-intro p{max-width:740px;color:#687e83;font-size:13px;margin:0}.activity-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.activity-card{display:flex;flex-direction:column;min-height:350px;padding:22px 21px 20px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(31,72,80,.05)}.activity-card-primary{border-color:#acd8d2;background:linear-gradient(145deg,#f4fbfa,#fff)}.activity-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.activity-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:12px;background:#e2f2f0;color:var(--teal);font-size:24px;font-family:Georgia,serif}.activity-tag{font-size:11px;color:#6c8588;border:1px solid #d3e4e3;border-radius:15px;padding:5px 9px}.activity-card h2{font-size:24px;letter-spacing:-.035em;margin:22px 0 7px}.activity-card p{color:#667d82;font-size:13px;line-height:1.75;margin:0}.activity-card ul{padding-left:18px;margin:18px 0 22px;color:#6e8286;font-size:12px;line-height:1.95}.activity-card li::marker{color:#49a39b}.activity-action{width:100%;margin-top:auto}.activity-note{display:flex;align-items:center;gap:14px;margin-top:18px;padding:15px 18px;border:1px solid #cfe1e2;border-radius:9px;background:#f5fbfa;color:#647b80;font-size:12px}.activity-note strong{color:#286d70;white-space:nowrap}.activity-note a{color:#2d7775;margin-left:auto;white-space:nowrap}.activity-feedback{min-height:21px;margin:14px 2px 0;color:#2d7775;font-size:12px}.activity-feedback:not(.is-visible){visibility:hidden}@media(max-width:900px){.activity-grid{grid-template-columns:1fr 1fr}.activity-card{min-height:330px}}@media(max-width:700px){.activity-intro{display:block;padding:19px 17px}.activity-intro .review-badge{margin-top:14px}.activity-grid{grid-template-columns:1fr}.activity-card{min-height:0}.activity-note{display:block}.activity-note strong,.activity-note span,.activity-note a{display:block}.activity-note span{margin-top:6px}.activity-note a{margin:9px 0 0}}
