body.entry-page .entry-main{flex:0 0 auto;min-height:calc(100svh - 164px)}.entry-marketing{--marketing-ink: #20232c;--marketing-muted: #717684;--marketing-blue: #0054fd;--marketing-card: #f4f5f7;--marketing-line: #e4e7ee;--marketing-radius: 36px;position:relative;z-index:1;width:100%;min-width:0;overflow:clip;background:#fff;color:var(--marketing-ink);font-family:PingFang SC,-apple-system,BlinkMacSystemFont,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}.entry-marketing h2,.entry-marketing h3,.entry-marketing p{margin:0}.entry-marketing button:not(.md-ui-button){font:inherit}.entry-marketing button:focus-visible,.entry-marketing [tabindex]:focus-visible,.entry-marketing summary:focus-visible{outline:2px solid #0054fd;outline-offset:5px}.entry-marketing [id]{scroll-margin-top:112px}.entry-marketing .marketing-scenarios{padding-block:80px}.entry-marketing .marketing-section-header{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1600px;margin:0 auto 28px;padding-inline:24px}.entry-marketing .marketing-section-header h2{font-size:32px;line-height:1.4;font-weight:700;letter-spacing:-.035em}.entry-marketing .marketing-arrows{display:flex;gap:12px}.entry-marketing .marketing-arrows button{display:grid;place-items:center;width:44px;height:44px;border:1px solid #dce0e8;border-radius:50%;corner-shape:round;background:#fff;color:#525966;font-size:24px;line-height:1;transition:background .2s,border-color .2s}.entry-marketing .marketing-arrows button:hover:not(:disabled){border-color:#b7c5e3;background:#f3f6fc}.entry-marketing .marketing-arrows button:disabled{opacity:.3;cursor:default}.entry-marketing .marketing-carousel{display:flex;gap:32px;width:100%;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:max(24px,calc((100vw - 1600px)/2 + 24px));scrollbar-width:none;padding:8px max(24px,calc((100vw - 1600px)/2 + 24px)) 32px}.entry-marketing .marketing-carousel::-webkit-scrollbar{display:none}.entry-marketing .marketing-scenario{--md-ui-primary-hover-ink: #fff;position:relative;flex:0 0 556px;width:556px;height:563px;overflow:hidden;display:block;scroll-snap-align:start;padding:0;border:0;border-radius:28px;corner-shape:var(--md-corner-shape);color:#343e50;background:#eef2f9;text-align:left;isolation:isolate;transition:box-shadow .3s}.entry-marketing .marketing-scenario:hover{box-shadow:0 15px 35px #1a356b15}.entry-marketing .marketing-scenario>.scenario-art{position:absolute;top:0;right:0;bottom:0;left:0;display:block;overflow:hidden}.entry-marketing .scenario-caption{position:absolute;z-index:3;inset:auto 0 0;display:flex;flex-direction:column;gap:6px;padding:38px 24px 26px;background:linear-gradient(transparent,var(--scenario-caption-color, #e8efff) 55%)}.entry-marketing .scenario-caption small{color:var(--scenario-ink, #415a88);opacity:.78;font-size:12px;line-height:1.4}.entry-marketing .scenario-caption strong{color:var(--scenario-ink, #415a88);font-size:32px;line-height:1.22;font-weight:800;letter-spacing:-.02em;text-wrap:balance}.entry-marketing .scenario-use{position:absolute;z-index:4;top:24px;right:24px;bottom:auto;display:inline-flex;align-items:center;gap:6px;padding:10px 14px;font-size:12px;opacity:0;transform:translateY(8px);transition:opacity .2s,transform .2s,--stitch-send-top .32s ease,--stitch-send-bottom .32s ease,border-color .32s ease,color .2s ease,box-shadow .15s ease}.entry-marketing .marketing-scenario:is(:hover,:focus-visible) .scenario-use{opacity:1;transform:translateY(0)}.entry-marketing .scenario-window,.entry-marketing .insight-window,.entry-marketing .student-window{position:absolute;top:75px;left:40px;width:476px;height:319px;display:flex;flex-direction:column;border:1px solid rgb(255 255 255 / .85);border-radius:15px;corner-shape:var(--md-corner-shape);background:#fff;box-shadow:0 24px 65px #25426513;overflow:hidden}.entry-marketing .scenario-review{--md-ui-primary-hover: #196cff;--scenario-ink: #415a88;--scenario-caption-color: #e8efff;background:radial-gradient(ellipse at 45% 35%,#c6d8f8,#e8efff 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #c6d8f8, #e8efff 85%)}.entry-marketing .scenario-window-bar{display:flex;align-items:center;gap:4px;height:32px;padding:0 14px;border-bottom:1px solid #f0f2f6}.entry-marketing .scenario-window-bar i{width:5px;height:5px;border-radius:50%;corner-shape:round;background:#d9deea}.entry-marketing .scenario-window-bar small{margin-left:8px;color:#a1a8b7;font-size:7px}.entry-marketing .scenario-preview-heading{padding:20px 24px 15px;font-size:19px;letter-spacing:-.04em}.entry-marketing .scenario-tabs{display:flex;gap:17px;padding:0 24px 14px;color:#a2a9b7;font-size:8px}.entry-marketing .scenario-tabs b{color:#4264a4;font-weight:500}.entry-marketing .scenario-task-row{display:flex;align-items:center;gap:10px;margin:0 20px 8px;padding:10px;border:1px solid #ebeff6;border-radius:8px;corner-shape:var(--md-corner-shape)}.entry-marketing .scenario-task-row>i{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;corner-shape:var(--md-corner-shape);background:#edf3fe;color:#6386c8;font-style:normal;font-size:10px}.entry-marketing .scenario-task-row>span{display:flex;flex-direction:column;gap:4px}.entry-marketing .scenario-task-row strong{font-size:9px;font-weight:500}.entry-marketing .scenario-task-row small{font-size:7px;color:#a2a9b7}.entry-marketing .scenario-task-row em{margin-left:auto;padding:4px 8px;border-radius:9999px;corner-shape:round;font-size:7px;font-style:normal;color:#7187ad;background:#f1f5fc}.entry-marketing .scenario-photo{--md-ui-primary-hover: #2abd65;--scenario-ink: #3d6447;--scenario-caption-color: #e8f5e5;background:radial-gradient(ellipse at 45% 35%,#c7e5d3,#e8f5e5 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #c7e5d3, #e8f5e5 85%)}.entry-marketing .photo-sheet{position:absolute;top:51px;left:119px;display:flex;flex-direction:column;gap:12px;width:307px;height:387px;padding:31px 29px;border:1px solid #e6e5df;background:#fffef9;box-shadow:0 20px 60px #44574c20;transform:rotate(-7deg)}.entry-marketing .photo-sheet small{color:#a5a89c;font-size:9px}.entry-marketing .photo-sheet strong{font-size:16px;font-weight:450;color:#657368}.entry-marketing .photo-math{margin-top:25px;font-family:Georgia,serif;color:#879183;font-size:17px;line-height:3}.entry-marketing .photo-math i{color:#9ca594;font-style:normal}.entry-marketing .photo-line{height:1px;width:100%;margin-top:7px;background:#e5e8df}.entry-marketing .photo-line.short{width:72%}.entry-marketing .photo-badge{position:absolute;right:57px;bottom:142px;padding:14px 23px;border:1px solid #fff;border-radius:15px;corner-shape:var(--md-corner-shape);background:#fffffff0;box-shadow:0 10px 35px #53615318;color:#77977e;font-size:13px;transform:rotate(3deg)}.entry-marketing .scenario-handout{--md-ui-primary-hover: #6a19ff;--scenario-ink: #644c82;--scenario-caption-color: #f1e8fc;background:radial-gradient(ellipse at 45% 35%,#d5c6f1,#f1e8fc 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #d5c6f1, #f1e8fc 85%)}.entry-marketing .handout-sheet{position:absolute;top:48px;left:124px;display:flex;flex-direction:column;width:300px;height:392px;padding:31px;background:#fffeff;border:1px solid #eeecf5;box-shadow:0 24px 60px #54557e1a;transform:rotate(5deg)}.entry-marketing .handout-sheet>small{color:#a3a1b5;font-size:7px;letter-spacing:.1em}.entry-marketing .handout-sheet>strong{margin-top:26px;color:#5c5977;font-size:25px;line-height:1.6;font-weight:450;letter-spacing:-.05em}.entry-marketing .handout-sheet .handout-sheet-rule{height:2px;margin:22px 0 16px;background:#8d89b6;width:32px}.entry-marketing .handout-sheet>b{margin-bottom:18px;font-size:11px;font-weight:500;color:#77728e}.entry-marketing .handout-sheet>span:not(.handout-sheet-rule){margin-bottom:13px;font-size:9px;color:#a6a1b8}.entry-marketing .handout-sheet>i{margin-top:auto;color:#c1bccd;font-size:7px;font-style:normal}.entry-marketing .scenario-insight{--md-ui-primary-hover: #ff8c19;--scenario-ink: #845833;--scenario-caption-color: #fff3de;background:radial-gradient(ellipse at 45% 35%,#f5cda5,#fff3de 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #f5cda5, #fff3de 85%)}.entry-marketing .insight-window{padding:28px}.entry-marketing .insight-window>small{color:#a2acbd;font-size:9px}.entry-marketing .insight-window>strong{margin-top:14px;font-size:25px;line-height:1.4;font-weight:450;color:#51657e;letter-spacing:-.04em}.entry-marketing .insight-chart{display:flex;align-items:flex-end;gap:18px;height:145px;margin:25px 5px 18px;padding-bottom:9px;border-bottom:1px solid #edf1f7;background:repeating-linear-gradient(transparent 0,transparent 34px,#f3f6fa 35px,transparent 36px)}.entry-marketing .insight-chart i{flex:1;height:var(--bar-height);border-radius:7px 7px 2px 2px;corner-shape:var(--md-corner-shape);background:linear-gradient(#9db8e4,#d0dff3)}.entry-marketing .insight-chart i:nth-child(4),.entry-marketing .insight-chart i:nth-child(6){background:linear-gradient(#527ed4,#9bb8eb)}.entry-marketing .insight-legend{font-size:8px;color:#a4aebd}.entry-marketing .scenario-student{--md-ui-primary-hover: #cd3b78;--scenario-ink: #8b4f69;--scenario-caption-color: #fce9f0;background:radial-gradient(ellipse at 45% 35%,#f0c5d7,#fce9f0 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #f0c5d7, #fce9f0 85%)}.entry-marketing .student-window{align-items:center;padding:22px 37px}.entry-marketing .student-avatar{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;corner-shape:round;background:#f1e9f0;color:#b095ad;font-size:21px}.entry-marketing .student-window>strong{margin-top:12px;text-align:center;font-size:21px;line-height:1.5;font-weight:450;color:#775f70}.entry-marketing .student-field{display:flex;justify-content:space-between;width:100%;padding:13px 0;border-bottom:1px solid #f2edf2;font-size:9px;color:#aaa0ab}.entry-marketing .student-field>span{color:#827989}.entry-marketing .student-ready{margin-top:19px;padding:10px 23px;border-radius:9999px;corner-shape:round;background:#efe5ed;color:#9b7a92;font-size:9px}.entry-marketing .scenario-sync{--md-ui-primary-hover: #23cdc5;--scenario-ink: #386a66;--scenario-caption-color: #e5f6f1;background:radial-gradient(ellipse at 45% 35%,#b9e3e1,#e5f6f1 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #b9e3e1, #e5f6f1 85%)}.entry-marketing .sync-laptop{position:absolute;top:112px;left:51px;width:377px;height:245px;padding:9px;border:1px solid #d4e0e4;border-radius:16px 16px 7px 7px;corner-shape:var(--md-corner-shape);background:#ecf2f4;box-shadow:0 18px 40px #396b7112}.entry-marketing .sync-laptop:after{content:"";position:absolute;left:-15px;right:-15px;bottom:-9px;height:9px;border-radius:0 0 8px 8px;corner-shape:var(--md-corner-shape);background:#c8d6dc}.entry-marketing .sync-screen{display:flex;height:100%;align-items:center;justify-content:center;flex-direction:column;border-radius:8px;corner-shape:var(--md-corner-shape);background:linear-gradient(140deg,#fff,#f6fcff)}.entry-marketing .sync-screen i{color:#84b4ca;font-size:34px;font-style:normal}.entry-marketing .sync-screen strong{margin-top:12px;color:#63818e;font-size:22px;line-height:1.5;font-weight:450;text-align:center}.entry-marketing .sync-screen>span{margin-top:15px;color:#adc0c7;font-size:8px}.entry-marketing .sync-phone{position:absolute;top:166px;right:50px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:108px;height:205px;border:5px solid #e1ebef;border-radius:20px;corner-shape:var(--md-corner-shape);background:#fff;box-shadow:0 16px 40px #2a596121;transform:rotate(6deg)}.entry-marketing .sync-phone:before{content:"";position:absolute;width:35px;height:7px;top:6px;background:#e8f0f3;border-radius:9999px;corner-shape:round}.entry-marketing .sync-phone i{display:grid;place-items:center;width:33px;height:33px;background:#eaf7ef;color:#73a88a;border-radius:50%;corner-shape:round;font-style:normal;font-size:19px}.entry-marketing .sync-phone strong{color:#6f9299;font-size:12px;font-weight:500}.entry-marketing .sync-phone>span{color:#a4b9c0;font-size:6px}.entry-marketing .scenario-dialogue{--md-ui-primary-hover: #4419ff;--scenario-ink: #5d4d86;--scenario-caption-color: #efe9fd;background:radial-gradient(ellipse at 45% 35%,#cfc7f2,#efe9fd 85%);--scenario-fill: radial-gradient(ellipse at 45% 35%, #cfc7f2, #efe9fd 85%)}.entry-marketing .dialogue-orb{position:absolute;top:60px;left:238px;display:grid;place-items:center;width:80px;height:80px;border:1px solid #fff;border-radius:24px;corner-shape:var(--md-corner-shape);background:#ffffff8c;color:#879edb;font-size:43px;box-shadow:0 10px 50px #5e79c51c}.entry-marketing .dialogue-bubble{position:absolute;top:173px;right:54px;border:1px solid #fff;padding:20px 25px;border-radius:20px 20px 4px;corner-shape:var(--md-corner-shape);background:#ffffffd4;color:#7c89ac;font-size:15px;box-shadow:0 8px 20px #5b78a30c}.entry-marketing .dialogue-bubble.reply{top:249px;left:55px;right:auto;border-radius:4px 20px 20px;corner-shape:var(--md-corner-shape);background:#dfe6fb;color:#7385b4}.entry-marketing .dialogue-mini-input{position:absolute;top:344px;left:50px;right:50px;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid #fff;border-radius:15px;corner-shape:var(--md-corner-shape);background:#fff9;color:#a1a9c0;font-size:12px}.entry-marketing .dialogue-mini-input b{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;corner-shape:round;color:#fff;background:#8096cd;font-size:17px;font-weight:400}.entry-marketing .marketing-features{padding:80px 48px}.entry-marketing .marketing-feature-grid{display:grid;grid-template-columns:repeat(20,minmax(0,1fr));gap:32px;max-width:1440px;margin-inline:auto}.entry-marketing .marketing-feature{position:relative;display:flex;flex-direction:column;height:458px;min-width:0;overflow:hidden;border-radius:var(--marketing-radius);corner-shape:var(--md-corner-shape);background:var(--marketing-card);isolation:isolate}.entry-marketing .marketing-feature:before{content:"";position:absolute;z-index:-1;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(#c3cbd8 .8px,transparent .8px);background-size:10px 10px;opacity:.34;pointer-events:none}.entry-marketing .feature-conversation{grid-column:span 13;flex-direction:row}.entry-marketing .feature-handout{grid-column:span 7}.entry-marketing .feature-sync{grid-column:span 8}.entry-marketing .feature-review{grid-column:span 12}.entry-marketing .feature-copy{position:relative;z-index:2;flex:0 0 auto;padding:0 24px 26px}.entry-marketing .feature-copy h2{font-size:clamp(30px,2.85vw,45px);font-weight:700;line-height:1.24;letter-spacing:-.055em;text-wrap:balance}.entry-marketing .feature-copy p{margin-top:14px;color:#535d6d;font-size:clamp(15px,1.18vw,18px);line-height:1.7;letter-spacing:-.035em}.entry-marketing .feature-conversation .feature-copy{align-self:flex-end;width:50%;padding:24px}.entry-marketing .feature-conversation .feature-copy p{font-size:clamp(15px,1.18vw,18px)}.entry-marketing .feature-visual{position:relative;flex:1;min-height:0;overflow:hidden}.entry-marketing .conversation-visual{align-self:stretch;min-width:0}.entry-marketing .floating-prompt{position:absolute;top:48px;left:1px;right:-25px;padding:19px 24px;border-radius:19px 19px 5px;corner-shape:var(--md-corner-shape);border:1px solid #fff;background:#e2e9fa;color:#7585a8;font-size:15px;transform:rotate(-4deg);box-shadow:0 10px 30px #607eae0b;white-space:nowrap}.entry-marketing .floating-answer{position:absolute;top:150px;left:12px;right:-43px;height:171px;border:1px solid #e4e9f2;border-radius:22px;corner-shape:var(--md-corner-shape);padding:23px 19px;color:#617393;background:#fff;box-shadow:0 16px 35px #566e9d0c;transform:rotate(3deg)}.entry-marketing .floating-answer>span{margin-right:10px;color:#5a87e9;font-size:23px}.entry-marketing .floating-answer>strong{font-size:16px;font-weight:400}.entry-marketing .floating-answer>div{display:flex;gap:12px;align-items:center;margin-top:19px;padding:12px;border:1px solid #eaf0f8;border-radius:12px;corner-shape:var(--md-corner-shape);color:#929db0;font-size:12px}.entry-marketing .floating-answer i{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;corner-shape:var(--md-corner-shape);background:#edf3fd;color:#7497da;font-size:16px;font-style:normal}.entry-marketing .floating-answer small{display:block;margin-top:6px;color:#b3bbc9;font-size:9px}.entry-marketing .floating-mini-prompt{position:absolute;top:351px;left:35px;right:-49px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 20px;border:1px solid #dde5f3;border-radius:9999px;corner-shape:round;background:#ffffffd6;color:#8997b1;font-size:12px;box-shadow:0 7px 25px #62779809;transform:rotate(-3deg);white-space:nowrap}.entry-marketing .floating-mini-prompt>span{color:#5282e5;font-size:23px}.entry-marketing .handout-visual{min-height:210px}.entry-marketing .feature-paper{position:absolute;top:29px;left:31%;width:61%;min-width:190px;height:260px;display:flex;flex-direction:column;padding:24px;border:1px solid #e4e9f1;border-radius:12px;corner-shape:var(--md-corner-shape);background:#fff;box-shadow:0 15px 35px #63759416;transform:rotate(7deg)}.entry-marketing .feature-paper small{font-size:8px;color:#9da7b8}.entry-marketing .feature-paper strong{margin:15px 0 22px;font-size:21px;line-height:1.5;font-weight:400;color:#687b9b}.entry-marketing .feature-paper>span{display:block;height:3px;margin-bottom:12px;border-radius:4px;corner-shape:var(--md-corner-shape);background:#edf0f6}.entry-marketing .feature-paper>span:nth-last-of-type(1){width:70%}.entry-marketing .feature-paper>i{position:absolute;bottom:20px;right:25px;color:#7699e0;font-size:30px;font-style:normal}.entry-marketing .feature-paper.paper-back{left:22%;top:38px;border-color:#d9e4f7;background:#e7eefb;transform:rotate(-8deg)}.entry-marketing .sync-visual{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:22px}.entry-marketing .device-orbit{display:flex;align-items:center;justify-content:center;gap:25px;width:82%;height:110px}.entry-marketing .device-orbit>span{display:grid;place-items:center;width:66px;height:66px;border:1px solid #dfe6f3;border-radius:16px;corner-shape:var(--md-corner-shape);background:#fff;box-shadow:0 8px 20px #5e7eae09;color:#8eabd9;font-size:37px;line-height:1}.entry-marketing .device-orbit>span:last-child{width:48px;height:74px;border-radius:14px;corner-shape:var(--md-corner-shape);font-size:49px}.entry-marketing .device-orbit>i{position:relative;display:grid;place-items:center;flex:0 0 80px;height:80px;border:1px solid #cbd9f2;border-radius:50%;corner-shape:round;background:radial-gradient(circle at 40% 30%,#fff,#e4ecfa);box-shadow:0 8px 45px #366ce324;color:#658de4;font-size:50px;font-style:normal}.entry-marketing .device-orbit>i:before,.entry-marketing .device-orbit>i:after{content:"";position:absolute;top:50%;width:23px;height:1px;background:#bccde8}.entry-marketing .device-orbit>i:before{right:calc(100% + 1px)}.entry-marketing .device-orbit>i:after{left:calc(100% + 1px)}.entry-marketing .sync-status{display:flex;align-items:center;gap:7px;color:#8d9ab0;font-size:11px}.entry-marketing .sync-status>i{width:5px;height:5px;border-radius:50%;corner-shape:round;background:#8aada0}.entry-marketing .review-visual{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;padding-inline:30px}.entry-marketing .review-flow{display:flex;align-items:center;justify-content:center;gap:14px;width:100%}.entry-marketing .review-flow-node{padding:15px 16px;border:1px solid #dfe5ee;border-radius:14px;corner-shape:var(--md-corner-shape);background:#fffc;color:#a1aaba;font-size:13px;white-space:nowrap}.entry-marketing .review-flow-node.active{border-color:#b4c9f4;background:#f7faff;box-shadow:0 6px 30px #5f87d51a;color:#5481d6}.entry-marketing .review-flow>i{color:#b7c2d2;font-size:18px;font-style:normal}.entry-marketing .review-result{display:flex;justify-content:space-between;align-items:center;gap:15px;width:90%;max-width:460px;padding:15px 18px;border:1px solid #e1e7f1;border-radius:9999px;corner-shape:round;background:#ffffffb3;color:#9aa6b9;font-size:10px}.entry-marketing .review-result>b{flex:0 0 auto;color:#7392ce;font-size:10px;font-weight:400}.entry-marketing .marketing-start{position:relative;display:flex;min-height:max(400px,75vh);align-items:center;justify-content:center;overflow:hidden;padding:80px 24px;isolation:isolate;text-align:center}.entry-marketing .marketing-start-content{position:relative;z-index:1;width:100%;max-width:1280px}.entry-marketing .marketing-start h2{font-size:64px;line-height:1.26;font-weight:700;text-align:center;letter-spacing:-.06em}.entry-marketing .marketing-start p{margin-top:26px;font-size:18px;line-height:1.85;color:#535d6d;letter-spacing:-.025em}.entry-marketing .marketing-start button{height:48px;margin-top:28px;padding-inline:25px;font-size:14px;gap:13px}.entry-marketing .marketing-start-glow{position:absolute;z-index:-1;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 50% 27% at -4% 79%,#d5e1ff8c,transparent 75%),radial-gradient(ellipse 48% 30% at 105% 73%,#c7ddff9c,transparent 76%),radial-gradient(ellipse 75% 25% at 50% 108%,#dce8ff8c,transparent 70%)}.entry-marketing .marketing-start-glow:before,.entry-marketing .marketing-start-glow:after{content:"";position:absolute;top:23%;width:60%;height:44%;border-radius:50%;corner-shape:round;border-bottom:35px solid #b9cefa4d;filter:blur(25px)}.entry-marketing .marketing-start-glow:before{left:-20%;transform:rotate(23deg)}.entry-marketing .marketing-start-glow:after{right:-20%;transform:rotate(-23deg)}.entry-marketing .marketing-faq{padding:80px 96px}.entry-marketing .marketing-faq-inner{width:100%;max-width:1024px;margin-inline:auto}.entry-marketing .marketing-faq h2{text-align:center;margin-bottom:40px;font-size:64px;line-height:1.2;font-weight:700;letter-spacing:-.06em}.entry-marketing .marketing-faq-list{display:flex;flex-direction:column;gap:8px}.entry-marketing .marketing-faq details{border:1px solid transparent;border-radius:18px;corner-shape:var(--md-corner-shape);background:transparent;overflow:hidden}.entry-marketing .marketing-faq details:hover{border-color:transparent}.entry-marketing .marketing-faq summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;padding:16px 24px;list-style:none;font-size:22px;line-height:1.45;letter-spacing:-.03em;font-weight:650;cursor:pointer}.entry-marketing .marketing-faq summary::-webkit-details-marker{display:none}.entry-marketing .marketing-faq summary>span{flex:0 0 18px;font-size:21px;font-weight:600;line-height:1;color:#858f9d;transition:transform .36s cubic-bezier(.22,1,.36,1)}.entry-marketing .marketing-faq details.is-expanded summary>span{transform:rotate(45deg)}.entry-marketing .marketing-faq details>p{padding:0 24px 23px;font-size:16px;font-weight:500;line-height:1.9;color:#687180}.entry-marketing .marketing-signature{display:flex;align-items:center;justify-content:center;flex-direction:column;width:100%;max-width:1600px;height:clamp(340px,36.25vw,522px);margin-inline:auto;overflow:hidden}.entry-marketing .marketing-signature>span{font-family:Alimama ShuHeiTi Entry,PingFang SC,sans-serif;color:#e8edf5;background:linear-gradient(135deg,#edf1f8 5%,#dae4f7,#eef2fa 85%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:clamp(100px,17.6vw,254px);line-height:1.25;font-weight:900;letter-spacing:-.065em;white-space:nowrap}.entry-marketing .marketing-signature>small{margin-top:18px;color:#b2bed3;font-size:13px;font-weight:300;letter-spacing:.3em}.entry-footer.marketing-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;min-height:120px;padding:30px max(24px,calc((100vw - 1440px)/2 + 72px));color:#a1a8b4;background:#fff}.marketing-footer .marketing-footer-brand{color:#6f7b91;font-size:15px;font-weight:500;text-decoration:none}.marketing-footer nav{display:flex;align-items:center;justify-content:center;gap:26px;margin-left:auto}.marketing-footer nav a,.marketing-footer nav button{padding:0;border:0;color:#8b95a6;background:transparent;font:inherit;font-size:12px;text-decoration:none}.marketing-footer nav a:hover,.marketing-footer nav button:hover{color:#356be0}.marketing-footer>span{font-size:10px}#marketing-walkthrough{width:min(900px,calc(100% - 40px));max-height:calc(100svh - 40px);padding:44px;overflow:auto;border:1px solid #e2e7f0;border-radius:28px;corner-shape:var(--md-corner-shape);color:#273045;background:#fff;box-shadow:0 30px 100px #23355726}#marketing-walkthrough::backdrop{background:#28344738;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}#marketing-walkthrough .walkthrough-label{color:#9ba9bf;font-size:10px;letter-spacing:.1em}#marketing-walkthrough>h2{margin:17px 0 11px;color:#2e384c;font-size:30px;line-height:1.4;font-weight:400;letter-spacing:-.04em}#marketing-walkthrough>p{margin:0;color:#919aaa;font-size:13px;line-height:1.8}#marketing-walkthrough .walkthrough-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-top:30px;padding:5px;border-radius:14px;corner-shape:var(--md-corner-shape);background:#f0f3f8}#marketing-walkthrough .walkthrough-tabs button{padding:11px 7px;border:0;border-radius:10px;corner-shape:var(--md-corner-shape);background:transparent;color:#939fb2;font-size:12px;white-space:nowrap}#marketing-walkthrough .walkthrough-tabs button[aria-selected=true]{color:#4774cb;background:#fff;box-shadow:0 2px 8px #5571a40b}#marketing-walkthrough button:focus-visible,#marketing-walkthrough [tabindex]:focus-visible{outline:2px solid #5e8de8;outline-offset:3px}#marketing-walkthrough .walkthrough-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:295px;padding:25px;margin-top:20px;border:1px solid #e9eef7;border-radius:22px;corner-shape:var(--md-corner-shape);background:radial-gradient(ellipse at top,#f0f5ff,#fcfdff 75%);text-align:center}#marketing-walkthrough .walkthrough-symbol{display:grid;place-items:center;width:57px;height:57px;margin-bottom:19px;border:1px solid #dce7fa;border-radius:18px;corner-shape:var(--md-corner-shape);background:#fff;color:#7f9fdf;font-size:30px;box-shadow:0 7px 25px #6987bd0c}#marketing-walkthrough .walkthrough-panel h3{margin:0 0 12px;font-size:25px;line-height:1.5;font-weight:400;letter-spacing:-.035em}#marketing-walkthrough .walkthrough-panel p{max-width:590px;margin:0;color:#939eaf;font-size:13px;line-height:1.9}#marketing-walkthrough .walkthrough-example{margin-top:24px;padding:12px 22px;border:1px solid #e5ecf8;border-radius:9999px;corner-shape:round;color:#7e94bb;background:#fff;font-size:12px;line-height:1.7}#marketing-walkthrough .walkthrough-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:25px}#marketing-walkthrough .walkthrough-actions>span{color:#b0b8c5;font-size:10px}#marketing-walkthrough .walkthrough-actions button{min-width:112px;font-size:12px}@media(min-width:1600px){.entry-marketing .feature-copy h2{font-size:45px}.entry-marketing .feature-copy p{font-size:18px}}@media(max-width:1100px){.entry-marketing .marketing-features{padding-inline:30px}.entry-marketing .marketing-feature-grid{gap:24px}.entry-marketing .feature-copy h2{font-size:31px}.entry-marketing .feature-copy p,.entry-marketing .feature-conversation .feature-copy p{font-size:16px}.entry-marketing .review-flow{gap:8px}.entry-marketing .review-flow-node{padding:12px 10px;font-size:11px}.entry-marketing .review-result{padding:13px}.entry-marketing .review-result>span{max-width:150px}}@media(max-width:900px){.entry-marketing .marketing-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.entry-marketing .marketing-feature{grid-column:span 1;height:458px}.entry-marketing .feature-conversation{flex-direction:column-reverse}.entry-marketing .feature-conversation .feature-copy{width:100%;align-self:auto}.entry-marketing .feature-conversation h2 br{display:none}.entry-marketing .floating-prompt{top:18px;left:18%;font-size:12px}.entry-marketing .floating-answer{top:100px;left:10%;height:148px;padding:17px}.entry-marketing .floating-mini-prompt{display:none}.entry-marketing .review-visual{padding-inline:16px}.entry-marketing .review-flow{gap:7px}.entry-marketing .review-flow-node{font-size:10px;padding:11px 8px;border-radius:10px;corner-shape:var(--md-corner-shape)}.entry-marketing .review-result{width:100%;flex-direction:column;gap:8px;border-radius:15px;corner-shape:var(--md-corner-shape)}.entry-marketing .review-result>span{max-width:none}.entry-marketing .device-orbit{gap:16px}.entry-marketing .device-orbit>span{width:53px;height:57px}.entry-marketing .device-orbit>i{flex-basis:64px;height:64px;font-size:40px}.entry-marketing .device-orbit>i:before,.entry-marketing .device-orbit>i:after{width:14px}.entry-marketing .marketing-start h2{font-size:52px}.entry-marketing .marketing-start p{font-size:18px}.entry-marketing .marketing-faq{padding-inline:48px}.entry-marketing .marketing-faq h2{text-align:center;font-weight:700;font-size:52px}.marketing-footer>span{flex:1 0 100%;text-align:center}}@media(max-width:600px){.entry-marketing .marketing-scenarios{padding-block:40px}.entry-marketing .marketing-section-header{gap:12px;padding-inline:24px;margin-bottom:20px}.entry-marketing .marketing-section-header h2{font-size:23px;line-height:1.4}.entry-marketing .marketing-arrows{gap:7px}.entry-marketing .marketing-arrows button{width:32px;height:32px;font-size:19px}.entry-marketing .marketing-carousel{gap:16px;padding:5px 24px 18px}.entry-marketing .marketing-scenario{flex-basis:82vw;width:82vw;max-width:420px;height:420px;border-radius:24px;corner-shape:var(--md-corner-shape)}.entry-marketing .scenario-art{container-type:inline-size}.entry-marketing .scenario-window,.entry-marketing .insight-window,.entry-marketing .student-window{top:44px;left:7.5%;width:85%;height:260px;border-radius:12px;corner-shape:var(--md-corner-shape)}.entry-marketing .scenario-window-bar{height:25px}.entry-marketing .scenario-preview-heading{padding:16px 15px 12px;font-size:15px}.entry-marketing .scenario-tabs{padding:0 15px 11px;font-size:7px;gap:12px}.entry-marketing .scenario-task-row{gap:7px;margin:0 12px 6px;padding:8px}.entry-marketing .scenario-task-row>i{width:22px;height:22px;font-size:8px}.entry-marketing .scenario-task-row strong{font-size:8px}.entry-marketing .scenario-task-row small{font-size:6px}.entry-marketing .scenario-task-row em{padding:3px 5px;font-size:6px}.entry-marketing .scenario-caption{padding:30px 20px 22px;gap:5px}.entry-marketing .scenario-caption small{font-size:10px}.entry-marketing .scenario-caption strong{font-size:clamp(26px,6.8vw,34px)}.entry-marketing .scenario-use{top:18px;right:18px;bottom:auto;padding:8px 12px;opacity:1;transform:none;font-size:9px}.entry-marketing .photo-sheet{top:34px;left:19%;width:66%;height:293px;padding:22px 20px;gap:9px}.entry-marketing .photo-sheet small{font-size:7px}.entry-marketing .photo-sheet strong{font-size:12px}.entry-marketing .photo-math{margin-top:18px;font-size:11px;line-height:3.3}.entry-marketing .photo-line{margin-top:5px}.entry-marketing .photo-badge{right:7%;bottom:119px;padding:10px 15px;font-size:10px;border-radius:11px;corner-shape:var(--md-corner-shape)}.entry-marketing .handout-sheet{top:29px;left:20%;width:63%;height:301px;padding:22px}.entry-marketing .handout-sheet>small{font-size:5px}.entry-marketing .handout-sheet>strong{font-size:18px;margin-top:20px}.entry-marketing .handout-sheet .handout-sheet-rule{margin:17px 0 14px}.entry-marketing .handout-sheet>b{margin-bottom:16px;font-size:9px}.entry-marketing .handout-sheet>span:not(.handout-sheet-rule){font-size:7px;margin-bottom:11px}.entry-marketing .handout-sheet>i{font-size:6px}.entry-marketing .insight-window{padding:22px 18px}.entry-marketing .insight-window>small{font-size:7px}.entry-marketing .insight-window>strong{font-size:18px;margin-top:13px}.entry-marketing .insight-chart{gap:11px;height:125px;margin:18px 0 13px}.entry-marketing .insight-chart i{border-radius:5px 5px 1px 1px;corner-shape:var(--md-corner-shape)}.entry-marketing .insight-legend{font-size:6px}.entry-marketing .student-window{padding:16px 21px}.entry-marketing .student-avatar{width:33px;height:33px;font-size:17px}.entry-marketing .student-window>strong{font-size:17px;margin-top:10px}.entry-marketing .student-field{padding-block:10px;font-size:7px}.entry-marketing .student-ready{margin-top:15px;padding:8px 17px;font-size:7px}.entry-marketing .sync-laptop{top:90px;left:7%;width:75%;height:173px;padding:6px;border-radius:12px 12px 5px 5px;corner-shape:var(--md-corner-shape)}.entry-marketing .sync-screen i{font-size:25px}.entry-marketing .sync-screen strong{margin-top:9px;font-size:16px}.entry-marketing .sync-screen>span{margin-top:11px;font-size:6px}.entry-marketing .sync-phone{top:132px;right:7%;width:74px;height:147px;border-width:4px;border-radius:16px;corner-shape:var(--md-corner-shape);gap:9px}.entry-marketing .sync-phone:before{width:26px;height:5px}.entry-marketing .sync-phone i{width:25px;height:25px;font-size:14px}.entry-marketing .sync-phone strong{font-size:9px}.entry-marketing .sync-phone>span{font-size:5px}.entry-marketing .dialogue-orb{top:40px;left:calc(50% - 30px);width:60px;height:60px;border-radius:18px;corner-shape:var(--md-corner-shape);font-size:33px}.entry-marketing .dialogue-bubble{top:129px;right:8%;padding:16px;font-size:11px;border-radius:15px 15px 3px;corner-shape:var(--md-corner-shape)}.entry-marketing .dialogue-bubble.reply{top:192px;left:8%;border-radius:3px 15px 15px;corner-shape:var(--md-corner-shape)}.entry-marketing .dialogue-mini-input{top:267px;left:8%;right:8%;padding:10px 12px;font-size:8px;border-radius:12px;corner-shape:var(--md-corner-shape)}.entry-marketing .dialogue-mini-input b{width:19px;height:19px;font-size:13px}.entry-marketing .marketing-features{padding:40px 24px}.entry-marketing .marketing-feature-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}.entry-marketing .marketing-feature{height:392px;border-radius:24px;corner-shape:var(--md-corner-shape)}.entry-marketing .feature-copy{padding:0 24px 25px}.entry-marketing .feature-copy h2{font-size:27px;line-height:1.3;letter-spacing:-.045em}.entry-marketing .feature-copy p,.entry-marketing .feature-conversation .feature-copy p{margin-top:12px;font-size:14px;line-height:1.8;letter-spacing:-.025em}.entry-marketing .feature-conversation .feature-copy{padding:0 24px 25px}.entry-marketing .floating-prompt{top:18px;left:20%;padding:14px 17px;font-size:11px;border-radius:14px 14px 4px;corner-shape:var(--md-corner-shape)}.entry-marketing .floating-answer{top:91px;left:12%;height:142px;padding:18px 15px;border-radius:17px;corner-shape:var(--md-corner-shape)}.entry-marketing .floating-answer>span{font-size:20px}.entry-marketing .floating-answer>strong{font-size:13px}.entry-marketing .floating-answer>div{margin-top:14px;padding:9px;font-size:10px;gap:9px}.entry-marketing .floating-answer small{font-size:7px}.entry-marketing .floating-answer i{width:25px;height:25px;border-radius:7px;corner-shape:var(--md-corner-shape);font-size:13px}.entry-marketing .handout-visual{min-height:0}.entry-marketing .feature-paper{top:26px;left:31%;min-width:0;width:60%;height:225px;padding:21px}.entry-marketing .feature-paper small{font-size:7px}.entry-marketing .feature-paper strong{font-size:18px;margin-top:13px;margin-bottom:19px}.entry-marketing .feature-paper.paper-back{top:32px;left:22%}.entry-marketing .device-orbit{gap:20px;height:95px}.entry-marketing .device-orbit>span{width:58px;height:58px;font-size:31px;border-radius:15px;corner-shape:var(--md-corner-shape)}.entry-marketing .device-orbit>span:last-child{width:40px;height:66px;font-size:41px;border-radius:12px;corner-shape:var(--md-corner-shape)}.entry-marketing .device-orbit>i{flex-basis:71px;height:71px;font-size:44px}.entry-marketing .device-orbit>i:before,.entry-marketing .device-orbit>i:after{width:18px}.entry-marketing .sync-visual{gap:15px}.entry-marketing .sync-status{font-size:10px}.entry-marketing .review-visual{padding-inline:19px;gap:17px}.entry-marketing .review-flow{gap:7px}.entry-marketing .review-flow-node{padding:12px 10px;font-size:10px}.entry-marketing .review-flow>i{font-size:14px}.entry-marketing .review-result{flex-direction:row;gap:6px;padding:14px 12px;border-radius:9999px;corner-shape:round;font-size:7px}.entry-marketing .review-result>b{font-size:7px}.entry-marketing .marketing-start{min-height:470px;padding:66px 24px}.entry-marketing .marketing-start h2{font-size:38px;line-height:1.35}.entry-marketing .marketing-start p{font-size:13px;line-height:1.9;margin-top:23px}.entry-marketing .marketing-start button{margin-top:26px;height:45px;font-size:12px;padding-inline:21px}.entry-marketing .marketing-start-glow:before,.entry-marketing .marketing-start-glow:after{width:85%;height:30%;top:38%;border-bottom-width:25px}.entry-marketing .marketing-faq{padding:40px 24px}.entry-marketing .marketing-faq h2{text-align:center;font-weight:700;font-size:36px;margin-bottom:26px}.entry-marketing .marketing-faq summary{min-height:58px;gap:15px;padding:15px 17px;font-size:15px;line-height:1.65}.entry-marketing .marketing-faq summary>span{font-size:18px;flex-basis:15px}.entry-marketing .marketing-faq details{border-radius:15px;corner-shape:var(--md-corner-shape)}.entry-marketing .marketing-faq details>p{padding:0 17px 17px;font-size:12px;line-height:1.9}.entry-marketing .marketing-signature{height:255px}.entry-marketing .marketing-signature>span{font-size:21vw}.entry-marketing .marketing-signature>small{font-size:9px;margin-top:15px;letter-spacing:.15em}.entry-footer.marketing-footer{flex-direction:column;justify-content:center;gap:22px;min-height:176px;padding:24px}.marketing-footer .marketing-footer-brand{font-size:14px}.marketing-footer nav{margin-left:0;gap:24px}.marketing-footer nav a,.marketing-footer nav button{font-size:10px}.marketing-footer>span{flex:0 0 auto;font-size:8px}#marketing-walkthrough{width:calc(100% - 28px);max-height:calc(100svh - 28px);padding:32px 20px 24px;border-radius:23px;corner-shape:var(--md-corner-shape)}#marketing-walkthrough .walkthrough-label{font-size:8px;letter-spacing:.05em}#marketing-walkthrough>h2{margin-top:15px;font-size:23px}#marketing-walkthrough>p{font-size:11px}#marketing-walkthrough .walkthrough-tabs{gap:2px;padding:4px;margin-top:23px;border-radius:12px;corner-shape:var(--md-corner-shape)}#marketing-walkthrough .walkthrough-tabs button{padding:10px 3px;border-radius:9px;corner-shape:var(--md-corner-shape);font-size:9px}#marketing-walkthrough .walkthrough-panel{min-height:277px;padding:24px 15px;margin-top:14px;border-radius:18px;corner-shape:var(--md-corner-shape)}#marketing-walkthrough .walkthrough-symbol{width:49px;height:49px;border-radius:15px;corner-shape:var(--md-corner-shape);font-size:26px}#marketing-walkthrough .walkthrough-panel h3{font-size:19px}#marketing-walkthrough .walkthrough-panel p{font-size:11px}#marketing-walkthrough .walkthrough-example{padding:10px 12px;font-size:10px;border-radius:13px;corner-shape:var(--md-corner-shape)}#marketing-walkthrough .walkthrough-actions{gap:12px;margin-top:20px}#marketing-walkthrough .walkthrough-actions>span{max-width:126px;font-size:8px;line-height:1.6}#marketing-walkthrough .walkthrough-actions button{min-width:95px;height:39px;padding-inline:14px;font-size:11px}}@media(max-width:360px){.entry-marketing .marketing-section-header h2{font-size:19px}.entry-marketing .marketing-arrows{gap:5px}.entry-marketing .marketing-arrows button{width:29px;height:29px}.entry-marketing .scenario-caption strong{font-size:26px}.entry-marketing .feature-copy h2{font-size:25px}.entry-marketing .feature-copy p,.entry-marketing .feature-conversation .feature-copy p{font-size:12px}.entry-marketing .review-flow-node{padding-inline:7px;font-size:9px}.entry-marketing .review-flow{gap:5px}.entry-marketing .review-result{padding-inline:8px;font-size:6px}.entry-marketing .review-result>b{font-size:6px}.entry-marketing .marketing-start h2{font-size:33px}.entry-marketing .marketing-start p{font-size:11px}}@media(prefers-reduced-motion:reduce){.entry-marketing *,.entry-marketing *:before,.entry-marketing *:after,#marketing-walkthrough *,#marketing-walkthrough *:before,#marketing-walkthrough *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.entry-marketing .marketing-faq summary:focus-visible{outline:2px solid #0047ff;outline-offset:-3px;border-radius:12px;corner-shape:var(--md-corner-shape)}@media(prefers-reduced-motion:reduce){.entry-marketing .marketing-faq summary>span{transition:none}}.entry-marketing .marketing-start .md-ui-button--brand{width:max-content;margin-inline:auto}.entry-marketing .marketing-faq-list>details{position:relative}.entry-marketing .marketing-faq-list>details+details:before{content:"";position:absolute;top:0;left:24px;right:24px;height:.5px;background:#dfe3e9;pointer-events:none}@media(max-width:600px){.entry-marketing .marketing-faq-list>details+details:before{left:17px;right:17px}}.entry-marketing .marketing-start-line{display:block;width:max-content;max-width:100%;margin-inline:auto;transform:translate(var(--title-optical-shift, 0px))}