/* Visual source: user-selected six-page concept. */
:root{--ink:#142d57;--blue:#2d87f5;--line:#d9e5f3;--bg:#fffefa;--muted:#6f819a}body{background:#fffdf9;color:#142d57;font-family:"Microsoft YaHei","PingFang SC",sans-serif}.shell{max-width:1500px;margin:18px auto;min-height:calc(100dvh - 36px);grid-template-columns:184px minmax(0,1fr);border:1px solid #d5e1f0;border-radius:17px;overflow:hidden;background:#fff;box-shadow:0 5px 13px #3b61891b}.shell>section{background:#fff;min-width:0}.sidebar,body[data-role] .sidebar{height:calc(100dvh - 36px);top:18px;padding:20px 12px;background:linear-gradient(180deg,#fff 55%,#edf5ff);border-right:1px solid #d8e4f3;box-shadow:none}.brand{padding:0 4px 20px;gap:8px}.brandmark,body[data-role] .sidebar .brandmark{width:30px;height:32px;min-width:30px;border-radius:0;background:transparent;color:#1774cf;box-shadow:none}.brandmark .icon{width:30px;height:30px}.brand strong,body[data-role] .sidebar .brand{font-size:11px;color:#16335c;letter-spacing:0;line-height:1.5;white-space:normal}.brand small{display:none}.school-label{display:none}.sidebar-account{display:flex;gap:8px;align-items:center;margin:0 7px 18px;color:#1d3a63}.sidebar-account .avatar{width:30px;height:30px;background:#f0f4fb;color:#6d8fae;font-size:11px}.sidebar-account b{display:block;font-size:11px}.sidebar-account small{font-size:9px;color:#8091a9}.nav{gap:6px}.nav button,body[data-role] .sidebar .nav button{color:#2b3a55;background:transparent;padding:10px 13px;min-height:37px;font-size:12px;gap:10px;border-radius:7px;font-weight:500;box-shadow:none}.nav button.active,body[data-role] .sidebar .nav button.active{background:linear-gradient(#4ca4ff,#287def);color:#fff;box-shadow:inset 0 1px 2px #ffffff80,0 2px 4px #4291e528}.nav button:hover:not(.active),body[data-role] .sidebar .nav button:hover:not(.active){background:#edf5ff;color:#2d6db5}.nav button .icon{width:18px;height:18px}.side-bottom{padding:12px 4px 0}.side-tip{display:none}.sidebar-actions{display:flex;justify-content:center;gap:8px}.sidebar-actions button{font-size:9px;color:#8b9bb2;background:transparent;padding:3px 5px;min-height:20px}.version,body[data-role] .sidebar .version{font-size:8px;color:#a2b0c4;margin-top:8px}.topbar{display:none}main{padding:21px 22px 18px;max-width:none}.footer{font-size:8px;color:#acb8c8;margin:20px 0 0}.page-head.reference-band{padding:10px 15px;margin-bottom:13px;min-height:61px;background:linear-gradient(90deg,#e8f4ff,#f6fbff);border-radius:9px;border:0;gap:10px}.page-heading{gap:10px}.page-symbol{width:34px;height:36px;min-width:34px;background:transparent;border:0;box-shadow:none;border-radius:0}.page-symbol>img{width:43px;height:43px;object-fit:contain}.page-symbol .icon{width:30px;height:30px;color:#2e83d9}.page-head h1{font-size:21px;line-height:1.4;color:#172d50;font-weight:700}.page-head .caption{font-size:10px;color:#5f7696;margin:2px 0 0;line-height:1.7}h2{color:#132b51}button{border-radius:7px;font-weight:500}.primary{background:linear-gradient(#43a2ff,#1f7df0);box-shadow:inset 0 1px 1px #ffffff80,0 2px 3px #2c86ef20;border:1px solid #3289ed}.quiet{border:1px solid #d4e1f1;background:linear-gradient(#fff,#f5f9ff);color:#385777}.secondary{background:#edf6ff;border-color:#c8e0fa;color:#347ab8}.badge{font-size:9px;padding:2px 7px;border-radius:5px}.card{border-radius:10px;box-shadow:none;border:1px solid #dbe6f3;padding:18px}.caption{color:#6c809d}.notice{font-size:10px;border-radius:8px}.grid{gap:14px}.section-head{margin:17px 0 11px}.section-head h2{font-size:14px}.page-head .primary{font-size:11px}.page-head .primary.small{font-size:10px}.empty{border:1px dashed #dce6f2;background:#fbfdff;border-radius:10px;min-height:230px}.empty strong{font-size:12px}.empty>span{font-size:10px}.empty .empty-icon{width:52px;height:52px;border-radius:15px;background:#edf6ff}.empty .icon{width:25px;height:25px}
/* 01 Student home */
.student-hero{padding:21px 25px;min-height:176px;border:0;border-radius:11px;margin-bottom:14px;display:block;background:#dff2ff;box-shadow:none;overflow:hidden}.student-hero .hero-content{max-width:64%;position:relative;z-index:1}.student-hero h1{font-size:28px;line-height:1.5;margin:6px 0 7px;color:#153963}.student-hero p{font-size:16px;color:#213d60;margin:0}.student-hero .hero-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right 24%;opacity:1;z-index:0;aspect-ratio:auto;margin:0}.reference-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) .65fr;gap:11px}.reference-features .feature{display:flex;align-items:center;gap:9px;padding:17px 12px 27px;min-height:124px;border:1px solid #d7e9fd;background:linear-gradient(135deg,#e1f1ff,#edf7ff);border-radius:12px;box-shadow:none;text-align:left;position:relative}.reference-features .feature.green{background:linear-gradient(130deg,#d3f5ed,#e8fcf5);border-color:#ccece3}.reference-features .feature.purple{background:linear-gradient(130deg,#eee3ff,#f5efff);border-color:#e4d8fa}.feature-raster{width:62px;height:62px;object-fit:contain;flex-shrink:0}.reference-features h2{font-size:17px;font-weight:700;white-space:nowrap;margin:0 0 4px}.reference-features p{font-size:10px;color:#526b8f;line-height:1.7;margin:0;white-space:nowrap}.reference-features .feature-arrow{right:16px;bottom:12px;width:29px;height:19px;display:grid;place-items:center;background:#d5ecff;border-radius:12px;color:#318cee}.reference-features .green .feature-arrow{background:#c4eee5;color:#2eb78e}.reference-features .purple .feature-arrow{background:#e1d9ff;color:#9c76e8}.reference-features .feature-arrow .icon{width:13px;height:13px}.reference-features .music-pending{display:flex;flex-direction:column;justify-content:center;gap:3px;background:linear-gradient(#f4f7fc,#e7edf8);border-color:#e5eaf4;padding:12px 7px;cursor:default;text-align:center;color:#9da9bc}.music-pending>.icon{width:33px;height:33px;color:#a5afc0;margin:0 0 4px}.reference-features .music-pending h2{font-size:13px;color:#8999b2}.reference-features .music-pending p{font-size:9px;color:#8fa1ba}.reference-home-bottom{display:grid;grid-template-columns:2.8fr 1fr;gap:13px;margin-top:15px}.reference-class,.reference-usage{border:1px solid #dbe7f7;border-radius:10px;background:#f9fcff;overflow:hidden}.reference-section-title{font-size:12px;font-weight:600;color:#244b79;background:#f0f7ff;border-bottom:1px solid #e4edf8;padding:8px 12px;display:flex;gap:7px;align-items:center}.reference-section-title>.icon{width:17px;height:17px;color:#429be3}.reference-section-title>span{color:#7c8caa;font-size:10px;font-weight:400}.reference-class .class-banner{padding:13px;gap:13px}.reference-class .class-thumb{width:92px;height:77px;border-radius:8px;border-color:#e0eccf}.reference-class h3{font-size:13px;line-height:1.7;margin:0 0 4px;color:#1d385f}.reference-class p{font-size:10px;color:#66829d;line-height:1.8;margin:0}.reference-class .primary{font-size:10px;border-radius:6px;white-space:nowrap;max-width:none;padding:7px 10px}.reference-class .primary .icon{width:13px;height:13px}.usage-inner{padding:12px 13px}.usage-inner>b{font-size:10px;font-weight:500;color:#4b668b}.usage-inner>strong{display:block;text-align:right;font-size:17px;line-height:1.5;color:#234c7b;font-weight:600}.usage-inner>strong small{font-size:10px;color:#8194af;font-weight:400}.usage-inner p{font-size:8px;color:#879bb7;margin:0}.usage-inner .progress{height:7px;margin:4px 0 6px;background:#dce6ef}.usage-inner .progress span{background:#71c495}
/* 02 Chat */
.scene-bar{padding:6px 10px;min-height:36px;margin-bottom:10px;border:1px solid #e2ebf6;border-radius:7px;background:#fbfdff}.scene-label{font-size:9px}.scene-bar select{font-size:10px!important;padding:3px 9px!important;border-radius:5px}.chat-layout{grid-template-columns:174px minmax(0,1fr);height:calc(100dvh - 220px);min-height:450px;border-radius:10px;border-color:#d8e5f5;box-shadow:none}.chat-history{padding:14px 10px;background:linear-gradient(#f8fbff,#f1f7ff)}.chat-history .secondary{border-radius:5px;font-size:10px!important;padding:6px!important;min-height:29px}.chat-history p.caption{font-size:10px;padding:8px 2px!important}.chat-history button{font-size:10px;padding:8px 7px;margin-bottom:5px}.history-empty{padding:28px 7px;font-size:9px;color:#a0b1ca}.history-empty .icon{width:22px;height:22px}.chat-top{display:none}.chat-main{min-height:0}.chat-messages{padding:21px 20px;min-height:0;background:#fff}.reference-chat-start{max-width:620px;margin:35px auto 0;text-align:center}.reference-chat-start>img{width:78px;height:78px;object-fit:contain}.reference-chat-start h2{font-size:21px;margin:13px 0 7px}.reference-chat-start>p{font-size:12px;color:#7b90ae}.reference-starters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:25px auto 15px;justify-content:center}.reference-starters>span{font-size:11px;font-weight:600;color:#31547d}.reference-starters button{font-size:10px;border:1px solid #bcd9fb;border-radius:20px;color:#3278c8;background:#f0f7ff;padding:6px 10px}.reference-starters .icon{width:11px;height:11px;margin-left:4px}.chat-start-note{font-size:10px;color:#a0b1c7;margin-top:35px}.message .bubble{font-size:12px;line-height:1.9;background:#eef4ff;color:#183661;border:0;padding:12px 16px;border-radius:14px;max-width:85%}.message.user .bubble{background:linear-gradient(#49a5ff,#2c84f1);color:#fff}.message{margin-bottom:19px;gap:8px}.message .avatar{width:30px;height:30px}.composer{padding:10px 14px 12px;border-top:0}.compose-box{border-radius:8px;border-color:#bcd7f8;padding:6px 8px;background:#fff;align-items:center}.compose-box textarea{font-size:12px;height:36px;min-height:36px;padding:5px}.compose-box .primary{border-radius:6px;min-height:32px;padding:5px 13px;font-size:11px}.composer-foot{font-size:9px;margin-top:7px}.composer-foot button{font-size:9px}.chat-safe{display:none}
/* 03 Subject question */
.subject-filters{display:flex;align-items:center;gap:9px;font-size:11px;color:#405b81;margin:2px 0 13px}.subject-filters b{border:1px solid #d6e1ef;background:#fff;padding:3px 16px;border-radius:4px;font-size:10px;font-weight:500;margin-right:18px}.chat-layout.subject{display:flex;min-height:420px;height:calc(100dvh - 265px);border:0;border-radius:0}.chat-layout.subject>.chat-history{display:none}.chat-layout.subject .chat-main{width:100%;border:1px solid #e2ebf5;border-radius:9px;overflow:hidden}.chat-layout.subject .chat-messages{padding:0;flex:1;overflow:auto}.reference-question{position:relative;min-height:187px;padding:22px 23px;overflow:hidden;background:linear-gradient(115deg,#fff 50%,#f0f9ff)}.reference-question>img{position:absolute;right:-7px;top:-13px;width:198px;height:198px;object-fit:cover;opacity:.82;border-radius:50%}.reference-question h2{font-size:23px;position:relative;margin:0 0 22px;z-index:1;max-width:76%}.reference-question h2>.icon{width:30px;height:30px;color:#2d91e9;margin-right:8px;vertical-align:-6px}.question-guide{position:relative;z-index:1;font-size:12px;line-height:2;color:#344e72;margin:0;max-width:74%}.inquiry-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:8px 20px 22px}.inquiry-steps>button{background:#f0f7ff;border:1px solid #dce9f8;border-radius:11px;display:grid;grid-template-columns:30px 1fr;column-gap:10px;padding:15px;text-align:left;min-height:80px;align-content:center}.inquiry-steps>button:nth-child(2){background:#edf9f4;border-color:#d8efe4}.inquiry-steps>button:nth-child(3){background:#fffaf0;border-color:#f1e7d1}.inquiry-steps>button>.icon{width:27px;height:27px;grid-row:1/3;margin:0;color:#ddb65b}.inquiry-steps>button:nth-child(2)>.icon{color:#6aaf94}.inquiry-steps>button:nth-child(3)>.icon{color:#6cabe0}.inquiry-steps b{font-size:13px;color:#2d527c;display:block}.inquiry-steps small{font-size:10px;color:#8399b6;display:block;margin-top:3px}.chat-layout.subject .composer{border-top:0}.chat-layout.subject .message{padding:12px 20px}
/* 04 Creative studio */
.reference-studio-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:15px}.reference-studio-tabs button{border:1px solid transparent;background:#edf4fd;color:#49668f;padding:6px 10px;min-height:32px;font-size:12px;border-radius:7px}.reference-studio-tabs button.active{border-color:#b0d0fa;background:linear-gradient(#f6fbff,#e1efff);color:#2d7ccc}.reference-studio-tabs .icon{width:17px;height:17px;margin-right:6px}.reference-studio{display:grid;grid-template-columns:230px minmax(0,1fr);gap:18px;min-height:340px}.reference-brief{background:#fffefa;border:1px solid #e6e5dc;border-radius:9px;padding:18px 16px;align-self:start}.reference-brief h3{font-size:14px;margin:0 0 21px;color:#6f5c2b}.reference-brief h3>.icon{width:19px;height:19px;color:#dbb44a;margin-right:5px}.reference-brief label{font-size:11px;color:#53627b;font-weight:500;margin-bottom:16px}.reference-brief input,.reference-brief select{font-size:11px;background:#fff;padding:7px 8px;border-radius:5px;line-height:1.8;color:#36537a;margin-top:6px}.tone-options{display:flex;gap:9px;margin:-7px 0 20px}.tone-options button{padding:4px 9px;font-size:10px;min-height:26px;background:#f0f4f8;color:#8398b0;border-radius:20px}.tone-options button.selected{background:#d6f2e1;color:#4d9972}.tone-options .icon{width:12px;height:12px;margin-left:3px}.reference-brief .primary{font-size:10px;padding:8px 9px;min-height:32px;width:100%;margin-top:3px}.reference-paper{position:relative;padding:23px 26px 18px;min-height:340px;border:1px solid #e8e2cd;border-radius:9px;background:#fffef9;overflow:hidden}.reference-paper #studio-title{border:0;background:transparent;font-size:21px;font-weight:700;text-align:center;margin:0 0 12px;padding:0;outline:none;color:#19365f;width:100%;position:relative;z-index:2}.reference-paper textarea{position:relative;z-index:2;min-height:240px;width:100%;border:0;outline:0;background:transparent;resize:vertical;font-size:17px;line-height:2.1;text-align:center;color:#293d5e;margin:0;padding:3px 0}.reference-paper textarea::placeholder{font-size:14px;color:#a2abb7;line-height:2.1}.paper-illustration{position:absolute;right:-8px;bottom:0;width:280px;height:130px;object-fit:cover;object-position:right bottom;opacity:.3;pointer-events:none}.reference-studio-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}.reference-studio-actions button{padding:7px 14px;font-size:11px;min-height:30px}.reference-studio-actions .icon{width:16px;height:16px;margin-right:4px}.studio-footnote{font-size:10px;color:#8a9bb2;margin-top:14px}.studio-footnote .icon{width:13px;height:13px;margin-right:4px}
/* 05 Results / 06 Review */
.tabs{border:0;padding:0;background:transparent;gap:8px;margin-bottom:15px}.tabs button{min-height:27px;border:1px solid #d6e3f4;padding:4px 17px;border-radius:20px;background:#f4f8ff;color:#4e6585;font-size:10px}.tabs button.active{background:linear-gradient(#3d9dff,#287ef0);border-color:#2780ed;color:white}.work-card{min-height:218px;padding:16px 16px 12px;border:1px solid #e4e0d4;border-radius:10px;background:#fffdf6;box-shadow:none}.work-card[data-kind="学习感想"]{background:#fbf7ff;border-color:#e7deef}.work-card[data-kind="问题探究"]{background:#f5fcfa;border-color:#dceae2}.work-card[data-kind="知识收获"]{background:#fcfff8;border-color:#e0e9d7}.work-card h3{font-size:15px;line-height:1.7;margin:10px 0 3px;color:#132f55}.work-card .excerpt{font-size:11px;line-height:1.9;margin:5px 0 16px;min-height:59px;color:#697d97}.work-card .bottom{padding-top:8px;border-top-color:#e8e9e4}.work-card .badge{font-size:9px;padding:2px 7px}.work-card .date{font-size:9px;color:#91a0b1}.work-card .work-decor{top:17px;right:15px}.review-layout{grid-template-columns:300px minmax(0,1fr);gap:16px}.review-list{border-radius:9px;padding:8px;border:1px solid #d9e5f4;background:#fbfdff}.review-list button{padding:12px;background:white;border:1px solid #d8e4f4;border-radius:8px;min-height:80px}.review-list button.selected{background:linear-gradient(#e2f2ff,#c8e5ff);border-color:#8ebef5}.review-list h3{font-size:13px;margin:4px 0}.review-list small{font-size:10px;color:#7389a6}.review-layout>.card{padding:19px;border-radius:9px;background:#fbfdff;border-color:#cfdef1}.review-layout>.card>h2{font-size:18px}.review-layout .detail-meta{background:#f3f8ff;border-color:#dbe7f5;border-radius:7px;padding:13px}.review-layout .detail-meta p{font-size:11px;color:#587497}.review-layout textarea{background:#fff9e9;border-color:#f0dfb4;border-radius:7px;font-size:12px}.review-layout form label{font-size:11px}.review-layout form .primary{font-size:11px;padding:6px 13px;min-height:31px}.table-wrap{border-radius:7px}.stat{border-radius:10px;min-height:110px}.stat>.stat-icon{width:34px;height:34px;border-radius:10px}.stat strong{font-size:26px}.stat>span{font-size:10px}dialog{border-radius:12px;border-color:#d5e2f3}dialog h2{font-size:19px}.reference-band .page-symbol{border-radius:0}
@media(min-width:1540px){.shell{margin:24px auto;min-height:calc(100dvh - 48px)}.sidebar,body[data-role] .sidebar{height:calc(100dvh - 48px);top:24px}}
@media(max-width:1100px){.shell{margin:12px;grid-template-columns:164px minmax(0,1fr)}.sidebar,body[data-role] .sidebar{height:calc(100dvh - 24px);top:12px;padding-left:10px;padding-right:10px}.brand strong{font-size:10px}.nav button,body[data-role] .sidebar .nav button{font-size:11px;padding:10px}.feature-raster{width:47px;height:47px}.reference-features .feature{padding:14px 9px 25px;gap:5px;min-height:112px}.reference-features h2{font-size:14px}.reference-features p{font-size:8px}.reference-features{gap:8px}.reference-home-bottom{grid-template-columns:2.4fr 1fr}.reference-class .class-thumb{width:70px;height:68px}.reference-class .class-banner{gap:9px;padding:10px}.reference-class h3{font-size:12px}.reference-class p{font-size:9px}.reference-class .primary{font-size:9px;padding:5px 7px}.reference-usage .reference-section-title{font-size:10px;padding:8px 9px}.reference-studio{grid-template-columns:205px minmax(0,1fr);gap:13px}.reference-paper{padding:20px}.reference-question h2{font-size:20px}.inquiry-steps{gap:9px}.inquiry-steps>button{padding:12px 10px;grid-template-columns:23px 1fr;column-gap:6px}.inquiry-steps b{font-size:11px}.inquiry-steps small{font-size:9px}.inquiry-steps .icon{width:22px!important;height:22px!important}.review-layout{grid-template-columns:250px minmax(0,1fr)}}
@media(max-width:760px){body{background:#fff}.shell{display:block;margin:0;min-height:100dvh;border:0;border-radius:0;overflow:visible}.sidebar,body[data-role] .sidebar{position:fixed;left:-220px;top:0;width:184px;height:100dvh;z-index:30;padding-top:22px;box-shadow:4px 0 18px #24436a22}.sidebar.open,body[data-role] .sidebar.open{left:0}.topbar{display:flex;height:53px;border-bottom:1px solid #e3ecf7;padding:0 12px}.top-user{gap:6px}.top-user .user-name{display:none}.top-user>.badge{font-size:8px}.top-user .quiet{padding:4px 7px;font-size:9px}.top-user .avatar{width:27px;height:27px}.mobile-menu{display:block;background:transparent}.mobile-menu .icon{width:23px;height:23px}.breadcrumb{display:none}main{padding:15px 13px}.page-head.reference-band{padding:9px 11px;min-height:60px}.page-head h1{font-size:19px}.page-head .caption{font-size:9px;max-width:230px}.page-symbol{width:29px;height:32px;min-width:29px}.page-symbol img{width:34px;height:34px}.page-heading{gap:8px}.student-hero{padding:20px 20px 0;min-height:0;display:flex;flex-direction:column;border-radius:10px;overflow:hidden}.student-hero .hero-content{max-width:100%;order:0;z-index:1}.student-hero h1{font-size:24px;margin:0 0 6px}.student-hero p{font-size:14px}.student-hero .hero-art{position:relative;inset:auto;order:1;z-index:0;width:calc(100% + 40px);height:auto;aspect-ratio:3/1;object-fit:contain;opacity:1;margin:12px -20px 0}.reference-features{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.reference-features .feature{min-height:108px;gap:7px;padding:16px 9px 24px}.feature-raster{width:49px;height:49px}.reference-features h2{font-size:14px}.reference-features p{font-size:8px;white-space:normal}.reference-features .music-pending{padding:10px;gap:2px}.music-pending>.icon{width:28px;height:28px}.reference-features .music-pending h2{font-size:13px}.reference-features .music-pending p{font-size:9px}.reference-home-bottom{grid-template-columns:1fr;gap:12px;margin-top:13px}.reference-class .class-thumb{width:63px;height:68px}.reference-class h3{font-size:11px}.reference-class p{font-size:9px}.reference-class .primary{font-size:9px;max-width:75px;white-space:normal}.reference-class .primary .icon{display:none}.reference-usage .usage-inner{padding:10px 13px}.usage-inner strong{display:inline-block;margin-left:15px}.usage-inner p{font-size:9px}.scene-bar{padding:5px 8px;gap:5px}.scene-label{font-size:9px}.scene-bar select{font-size:9px!important}.chat-layout{display:block;min-height:470px;height:calc(100dvh - 218px)}.chat-history{display:none}.chat-main{height:100%;display:flex;flex-direction:column;min-height:0}.chat-top{display:flex;padding:10px 12px;min-height:44px;background:#f4f9ff}.chat-top b{font-size:12px}.chat-top .flex>.icon{width:21px;height:21px}.chat-top .badge{font-size:8px}.chat-messages{padding:15px 12px;overflow:auto}.reference-chat-start{margin:25px auto 0}.reference-chat-start>img{width:65px;height:65px}.reference-chat-start h2{font-size:18px}.reference-chat-start>p{font-size:10px}.reference-starters{margin-top:21px;gap:8px;flex-direction:column}.reference-starters button{font-size:10px;padding:7px 11px;min-height:30px}.reference-starters>span{font-size:10px}.chat-start-note{font-size:9px;margin-top:25px}.composer{padding:9px 10px 11px}.compose-box textarea{font-size:11px}.composer-foot{font-size:8px}.composer-foot button{font-size:8px}.composer .primary{font-size:10px;padding:6px 10px}.mobile-new-chat{display:block}.subject-filters{font-size:10px;gap:7px;margin-bottom:10px}.subject-filters b{font-size:9px;padding:3px 10px;margin-right:8px}.chat-layout.subject{height:calc(100dvh - 270px);min-height:450px;display:block}.reference-question{padding:18px 15px;min-height:195px}.reference-question>img{width:126px;height:126px;top:58px;right:-20px;opacity:.5}.reference-question h2{font-size:18px;max-width:100%;margin-bottom:20px}.reference-question h2>.icon{width:23px;height:23px;vertical-align:-4px}.question-guide{font-size:11px;max-width:86%;line-height:2}.inquiry-steps{grid-template-columns:1fr;margin:0 12px 15px;gap:8px}.inquiry-steps>button{grid-template-columns:27px 1fr;min-height:62px;padding:10px 12px}.inquiry-steps b{font-size:12px}.inquiry-steps small{font-size:10px}.reference-studio-tabs{gap:7px;margin-bottom:12px}.reference-studio-tabs button{font-size:10px;min-height:31px;padding:6px}.reference-studio-tabs .icon{width:14px;height:14px;margin-right:3px}.reference-studio{grid-template-columns:1fr;gap:13px}.reference-brief{padding:15px}.reference-brief h3{margin-bottom:13px;font-size:13px}.reference-brief #studio-form{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.reference-brief #studio-form>label:first-child{grid-column:1/-1}.reference-brief #studio-form>label{font-size:10px}.reference-brief .tone-options{grid-column:2;grid-row:2;align-self:center;margin:0}.reference-brief #studio-form>label:nth-child(2){grid-column:1;grid-row:2}.reference-brief #studio-form>label:has(select){grid-column:1/-1}.reference-brief #studio-form>.primary{grid-column:1/-1}.reference-paper{padding:19px 15px;min-height:300px}.reference-paper #studio-title{font-size:20px}.reference-paper textarea{font-size:16px;min-height:225px}.paper-illustration{width:220px;height:100px}.reference-studio-actions{gap:7px;flex-wrap:wrap;justify-content:center;margin-top:12px}.reference-studio-actions button{font-size:10px;padding:6px 10px;min-height:30px}.studio-footnote{font-size:9px}.tabs{gap:6px;margin-bottom:13px}.tabs button{font-size:10px;padding:4px 12px;min-height:26px}.grid3{grid-template-columns:1fr}.work-card{min-height:205px;padding:17px}.work-card h3{font-size:16px}.work-card .excerpt{font-size:12px}.review-layout{display:block}.review-list{display:flex;overflow:auto;gap:8px;padding:8px;margin-bottom:13px}.review-list button{min-width:210px;margin:0}.review-layout>.card{padding:16px}.review-list .empty{min-width:100%;min-height:150px}.sidebar-actions{display:flex}.footer{font-size:8px;line-height:1.8;margin-top:18px}.empty{min-height:210px}}
body[data-page=home] .reference-features .feature[data-page]{min-height:124px;padding:17px 12px 27px;border-radius:12px;box-shadow:none;background:linear-gradient(135deg,#e1f1ff,#edf7ff);border:1px solid #d7e9fd}body[data-page=home] .reference-features .feature.green[data-page]{background:linear-gradient(130deg,#d3f5ed,#e8fcf5);border-color:#ccece3}body[data-page=home] .reference-features .feature.purple[data-page]{background:linear-gradient(130deg,#eee3ff,#f5efff);border-color:#e4d8fa}
@media(min-width:761px){.student-hero{min-height:0;height:130px;padding:17px 23px}.student-hero h1{font-size:26px;margin:1px 0 5px}.student-hero p{font-size:15px}.chat-layout{min-height:300px;height:calc(100dvh - 185px)}.chat-layout.subject{min-height:300px;height:calc(100dvh - 225px)}}
@media(min-width:761px) and (max-width:1100px){.student-hero{height:110px;padding:16px 22px}.student-hero h1{font-size:25px}.student-hero p{font-size:14px}body[data-page=home] .reference-features .feature[data-page]{min-height:106px;padding:14px 9px 25px}}
@media(max-width:760px){body[data-page=home] .reference-features .feature[data-page]{min-height:108px;padding:16px 9px 24px}}
.subject-filters label{display:flex;gap:5px;align-items:center;margin:0 15px 0 0;font-size:11px;color:#2f4a70}.subject-filters select{width:85px;padding:3px 8px;margin:0;font-size:10px;border-radius:4px;background:#fff;border:1px solid #cddded}.reference-paper textarea{resize:none}.paper-illustration{width:260px;height:175px;object-fit:contain;object-position:right bottom;opacity:.8;background:transparent}.reference-paper{min-height:320px}.reference-paper textarea{min-height:220px}
@media(max-width:760px){.subject-filters label{font-size:10px;margin-right:6px}.subject-filters select{width:73px;font-size:10px}.paper-illustration{width:210px;height:140px}.reference-paper textarea{min-height:230px}}
.subject-filters{flex-wrap:wrap;gap:9px}.subject-filters>.scene-bar{padding:0;border:0;margin:0 0 0 auto;min-height:28px;background:transparent}.subject-filters>.scene-bar>.scene-label{display:none}.subject-filters>.scene-bar>select{max-width:185px}.subject-filters>.scene-bar>.caption{display:none}.reference-question{min-height:145px;padding:18px 22px}.reference-question h2{font-size:22px;margin-bottom:15px}.reference-question>img{width:170px;height:137px;object-fit:contain;border-radius:0;top:0;right:2px}.inquiry-steps{margin-top:4px;margin-bottom:12px}.inquiry-steps>button{min-height:72px;padding:12px}.reference-starters{justify-content:flex-start;margin:0 0 14px}.example-label{font-size:9px;color:#879bb8;text-align:right;margin:-5px 2px 13px}.example-ai{width:32px;height:32px;object-fit:contain;flex-shrink:0;margin-top:4px}.reference-chat-examples .message .bubble{font-size:11px;line-height:1.9;max-width:87%}.reference-chat-examples .message{margin-bottom:15px}.reference-chat-examples{max-width:950px;margin:0 auto}.reference-paper textarea{padding-top:0}.paper-illustration{opacity:.85}
@media(max-width:1100px) and (min-width:761px){.reference-question{min-height:132px;padding:15px 20px}.reference-question h2{font-size:20px;margin-bottom:12px}.question-guide{font-size:11px;line-height:1.9}.reference-question>img{width:155px;height:127px}.inquiry-steps{margin:3px 17px 9px;gap:10px}.inquiry-steps>button{min-height:65px;padding:10px}.inquiry-steps b{font-size:11px}.inquiry-steps small{font-size:9px}.reference-chat-examples .message .bubble{font-size:11px;padding:10px 13px}.reference-chat-examples .message{margin-bottom:12px}.reference-starters{margin-bottom:9px}.reference-starters button{min-height:26px;padding:3px 9px}}
@media(max-width:760px){.subject-filters{gap:8px}.subject-filters>.scene-bar{width:100%;justify-content:flex-start;margin-left:0}.subject-filters>.scene-bar>.scene-label{display:flex}.reference-question{min-height:160px;padding:18px 15px}.reference-question>img{width:118px;height:120px;top:20px;right:0}.reference-question h2{font-size:18px;max-width:100%}.question-guide{font-size:11px;max-width:83%}.inquiry-steps{margin:5px 12px 12px;grid-template-columns:1fr}.reference-starters{flex-direction:row;justify-content:flex-start;gap:7px;margin-bottom:13px}.reference-starters>span{width:100%}.reference-starters button{font-size:9px;padding:4px 8px}.example-label{text-align:left;font-size:8px;margin-top:0}.example-ai{width:25px;height:25px}.reference-chat-examples .message .bubble{font-size:11px;padding:10px 12px;max-width:88%}}
body[data-role] .shell .sidebar .brand .brandmark{background:transparent;color:#1774cf;box-shadow:none;border-radius:0}body[data-role] .shell .sidebar .version{color:#9eafc5}body[data-role] .shell .sidebar .brand strong{color:#19375e}
body[data-page=chat] .reference-band>.scene-bar{margin:0 0 0 auto;padding:0;border:0;background:transparent;min-height:26px}body[data-page=chat] .reference-band>.scene-bar>.scene-label{display:none}body[data-page=chat] .reference-band>.scene-bar>.caption{display:none}body[data-page=chat] .reference-band>.scene-bar>select{font-size:9px!important;max-width:175px}body[data-page=chat] .chat-layout{height:calc(100dvh - 140px)}
@media(max-width:1100px) and (min-width:761px){.reference-chat-examples .message .bubble{font-size:10px;line-height:1.65;padding:8px 11px;max-width:91%}.reference-chat-examples .message{margin-bottom:10px}.reference-chat-examples .reference-starters{margin-bottom:9px}.example-label{font-size:8px;margin-bottom:10px}}
@media(max-width:760px){body[data-page=chat] .reference-band>.scene-bar{width:100%;margin-top:6px;justify-content:flex-start}body[data-page=chat] .reference-band{flex-wrap:wrap}body[data-page=chat] .chat-layout{height:calc(100dvh - 207px);min-height:470px}}