.ppt-stage{--bg:#f0c8a0;--bg-alt:#e8b88e;--text:#1a1a1a;--accent:#1a1a1a;--light:#f7dec6;--stage-ratio:16 / 9;--font-display:var(--font-syne), var(--font-noto-sc), "PingFang SC", "Microsoft YaHei", sans-serif;--font-body:var(--font-noto-sc), var(--font-space), "PingFang SC", "Microsoft YaHei", sans-serif}.ppt-stage *{box-sizing:border-box;margin:0;padding:0}.ppt-stage{background:var(--bg);width:100%;height:100%;color:var(--text);font-family:var(--font-body);position:relative;overflow:hidden}.ppt-presentation{width:100%;height:100%;position:relative}.ppt-slide{opacity:0;visibility:hidden;background:var(--bg);flex-direction:column;width:100%;height:100%;padding:2.5rem 3.5rem 2rem;transition:opacity .6s,visibility .6s;display:flex;position:absolute;top:0;left:0;overflow:hidden}.ppt-slide.active{opacity:1;visibility:visible}.ppt-nav-controls{z-index:11;background:var(--bg);border:2px solid var(--text);align-items:center;gap:.5rem;padding:.3rem .5rem;display:flex;position:absolute;bottom:.5rem;right:1.5rem}.ppt-nav-btn{border:2px solid var(--text);width:40px;height:40px;color:var(--text);font-family:var(--font-body);cursor:pointer;background:0 0;justify-content:center;align-items:center;font-size:1.1rem;font-weight:600;transition:all .3s;display:flex}.ppt-nav-btn:hover{background:var(--text);color:var(--bg)}.ppt-slide-counter{font-family:var(--font-body);letter-spacing:.05em;font-size:.85rem;font-weight:500}.ppt-progress-bar{background:var(--text);z-index:10;height:3px;transition:width .4s;position:absolute;bottom:0;left:0}.ppt-doodle{pointer-events:none;position:absolute}.ppt-blob-frame{border:3px solid var(--text);background:0 0;border-radius:255px 15px 225px/15px 225px 15px 255px}.ppt-rough-box{border:3px solid var(--text);position:relative}.ppt-scribble-line{stroke:var(--text);stroke-width:2px;fill:none;stroke-linecap:round}.font-display{font-family:var(--font-display);letter-spacing:0;font-weight:800;line-height:1.1}.font-body{font-family:var(--font-body);font-weight:400;line-height:1.6}.sec-label{letter-spacing:.18em;text-transform:uppercase;opacity:.65;font-size:.78rem;font-weight:600;font-family:var(--font-body);margin-bottom:1.5rem}.ppt-slide-1{justify-content:center;gap:.5rem;padding:2rem 3.5rem}.ppt-slide-1 .date-large{font-family:var(--font-display);letter-spacing:0;margin-bottom:.4rem;font-size:clamp(2.2rem,6vw,4rem);font-weight:800;line-height:.95}.ppt-slide-1 .title-main{font-family:var(--font-display);letter-spacing:0;max-width:80%;margin-bottom:1rem;font-size:clamp(2rem,5vw,3.6rem);font-weight:800;line-height:1.1}.ppt-slide-1 .title-main .cn{letter-spacing:0;font-weight:800}.ppt-slide-1 .title-main .en{opacity:.92;letter-spacing:0;font-weight:700}.ppt-slide-1 .subtitle{max-width:480px;margin-bottom:1.5rem;font-size:.95rem;font-weight:500;line-height:1.6}.ppt-slide-1 .team-line{opacity:.8;font-size:.88rem;font-weight:500;line-height:1.7}.ppt-slide-1 .doodle-blob-1{border:3px solid var(--text);border-radius:40% 60% 70% 30%/40% 50% 60%;justify-content:center;align-items:center;width:260px;height:300px;display:flex;top:14%;right:8%}.ppt-slide-1 .doodle-blob-1:after{content:"";background:var(--text);border-radius:60% 40% 30% 70%/60% 30% 70% 40%;width:170px;height:190px}.ppt-slide-1 .doodle-blob-2{border:3px solid var(--text);background:var(--bg);border-radius:60% 40% 30% 70%/60% 30% 70% 40%;width:150px;height:170px;bottom:16%;right:26%}.ppt-slide-1 .mole-emoji{z-index:2;font-size:5rem;position:absolute;top:20%;right:13%;transform:rotate(-8deg)}.ppt-slide-2{padding:3rem 4rem}.ppt-slide-2 .toc-title{font-family:var(--font-display);max-width:60%;margin-bottom:2.5rem;font-size:clamp(2rem,4vw,3.5rem);font-weight:700}.ppt-slide-2 .toc-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:1100px;display:grid}.toc-item{border:3px solid var(--text);background:var(--bg);padding:1.3rem;position:relative}.toc-item:before{content:"";border:2px solid var(--text);z-index:-1;position:absolute;inset:6px -6px -6px 6px}.toc-item .num{font-family:var(--font-display);margin-bottom:.4rem;font-size:2.2rem;font-weight:800;line-height:1}.toc-item .label{font-size:.95rem;font-weight:500}.ppt-slide-3{justify-content:center;align-items:flex-start;padding:4rem 5rem}.ppt-slide-3 .big-statement{font-family:var(--font-display);max-width:78%;margin-bottom:2.5rem;font-size:clamp(2.2rem,4.5vw,4rem);font-weight:700;line-height:1.15}.ppt-slide-3 .body-columns{grid-template-columns:1fr 1fr;gap:3rem;max-width:820px;display:grid}.ppt-slide-3 .body-text{opacity:.9;font-size:1rem;line-height:1.7}.ppt-slide-3 .body-text strong{font-weight:700}.ppt-slide-3 .doodle-frame{border:3px solid var(--text);border-radius:255px 15px 225px/15px 225px 15px 255px;width:200px;height:260px;position:absolute;top:50%;right:8%;transform:translateY(-50%)}.ppt-slide-3 .doodle-frame:after{content:"";background:var(--text);border-radius:255px 15px 225px/15px 225px 15px 255px;width:170px;height:230px;position:absolute;top:15px;left:15px}.ppt-slide-4{padding:3rem 4rem}.ppt-slide-4 .chart-header{justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem;display:flex}.ppt-slide-4 .chart-title{font-family:var(--font-display);max-width:55%;font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:700}.ppt-slide-4 .chart-note{opacity:.75;text-align:right;max-width:280px;font-size:.85rem;font-weight:500;line-height:1.6}.chart-area{flex:1;align-items:flex-end;gap:2rem;padding-bottom:2rem;display:flex;position:relative}.chart-bars{border-left:3px solid var(--text);border-bottom:3px solid var(--text);flex:1;align-items:flex-end;gap:.8rem;height:100%;padding-top:1rem;padding-bottom:1rem;padding-left:3rem;display:flex}.bar-group{flex-direction:column;flex:1;align-items:center;gap:.4rem;height:100%;display:flex}.bar{background:var(--text);flex:none;width:100%;max-width:56px;min-height:2px;position:relative}.bar.alt{border:3px solid var(--text);background:0 0}.bar-val{font-size:.7rem;font-weight:700;position:absolute;top:-1.4rem;left:50%;transform:translate(-50%)}.bar-label{text-align:center;flex-direction:column;gap:.1rem;min-height:2.6em;margin-top:auto;font-size:.72rem;font-weight:600;display:flex}.bar-label .lvl{font-weight:800}.bar-label .zone{opacity:.7;font-size:.62rem;font-weight:500}.y-axis{flex-direction:column;justify-content:space-between;padding-right:.5rem;font-size:.7rem;font-weight:500;display:flex;position:absolute;top:0;bottom:3rem;left:0}.ppt-slide-5{justify-content:center;padding:3rem 4rem}.ppt-slide-5 .services-title{font-family:var(--font-display);margin-bottom:.5rem;font-size:clamp(2rem,4vw,3.2rem);font-weight:700}.ppt-slide-5 .services-sub{opacity:.7;margin-bottom:2rem;font-size:.95rem}.services-collage{flex:1;grid-template-rows:1fr 1fr;grid-template-columns:1.2fr .8fr 1fr;gap:1.3rem;max-height:58vh;display:grid}.service-block{border:3px solid var(--text);background:var(--bg);flex-direction:column;justify-content:space-between;padding:1.3rem;display:flex;position:relative}.service-block.filled{background:var(--text);color:var(--bg)}.service-block:first-child{transform:rotate(-.5deg)}.service-block:nth-child(2){transform:rotate(.8deg)}.service-block:nth-child(3){transform:rotate(-.3deg)}.service-block:nth-child(4){transform:rotate(.5deg)}.service-block:nth-child(5){transform:rotate(-.7deg)}.service-block .block-num{font-family:var(--font-display);font-size:1.8rem;font-weight:800}.service-block .block-title{font-family:var(--font-display);margin-bottom:.4rem;font-size:1.15rem;font-weight:700}.service-block .block-desc{opacity:.85;font-size:.82rem;line-height:1.5}.ppt-slide-6{justify-content:center;padding:3rem 4rem}.ppt-slide-6 .timeline-title{font-family:var(--font-display);margin-bottom:2.5rem;font-size:clamp(2rem,4vw,3rem);font-weight:700}.timeline-track{flex:1;justify-content:space-between;align-items:flex-start;max-height:50vh;padding-top:2rem;display:flex;position:relative}.timeline-track:before{content:"";background:var(--text);border-radius:2px;height:3px;position:absolute;top:40px;left:5%;right:5%}.timeline-step{text-align:center;flex-direction:column;flex:1;align-items:center;display:flex;position:relative}.step-node{border:3px solid var(--text);background:var(--bg);width:64px;height:64px;font-family:var(--font-display);z-index:2;border-radius:50%;justify-content:center;align-items:center;margin-bottom:1.3rem;font-size:1.5rem;font-weight:800;display:flex;position:relative}.step-node.filled{background:var(--text);color:var(--bg)}.step-title{font-family:var(--font-display);max-width:150px;margin-bottom:.4rem;font-size:1.05rem;font-weight:700}.step-desc{opacity:.72;max-width:170px;font-size:.78rem;line-height:1.45}.ppt-slide-7{justify-content:flex-start;padding:2rem 3rem 4rem}.ppt-slide-7 .stats-title{font-family:var(--font-display);margin-bottom:1rem;font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:700}.stats-grid{grid-template-columns:repeat(4,1fr);align-content:center;gap:1.5rem;max-height:30vh;display:grid}.stat-item{position:relative}.stat-num{font-family:var(--font-display);white-space:nowrap;margin-bottom:.6rem;font-size:clamp(2.4rem,4.5vw,3.6rem);font-weight:800;line-height:1}.stat-label{opacity:.82;max-width:200px;font-size:.9rem;font-weight:500;line-height:1.4}.stat-item:first-child .stat-num{transform:rotate(-1deg)}.stat-item:nth-child(2) .stat-num{transform:rotate(.5deg)}.stat-item:nth-child(3) .stat-num{transform:rotate(-.5deg)}.stat-item:nth-child(4) .stat-num{transform:rotate(.8deg)}.skin-roll{opacity:.78;grid-template-columns:repeat(2,1fr);gap:.2rem 2.5rem;max-width:100%;margin-top:1.8rem;font-size:.82rem;line-height:1.9;display:grid}.skin-roll b{opacity:1;font-weight:700}.ppt-slide-8{justify-content:center;padding:3rem 4rem}.ppt-slide-8 .mech-title{font-family:var(--font-display);margin-bottom:.5rem;font-size:clamp(2rem,4vw,3rem);font-weight:700}.ppt-slide-8 .mech-sub{opacity:.7;margin-bottom:2rem;font-size:.95rem}.mech-grid{flex:1;grid-template-columns:repeat(2,1fr);gap:1.5rem;max-height:55vh;display:grid}.mech-card{border:3px solid var(--text);background:var(--bg);flex-direction:column;justify-content:center;padding:1.8rem;display:flex;position:relative}.mech-card.filled{background:var(--text);color:var(--bg)}.mech-card:first-child{transform:rotate(-.6deg)}.mech-card:nth-child(2){transform:rotate(.5deg)}.mech-card:nth-child(3){transform:rotate(.4deg)}.mech-card:nth-child(4){transform:rotate(-.5deg)}.mech-card .mech-icon{font-family:var(--font-display);margin-bottom:.5rem;font-size:1.6rem;font-weight:800}.mech-card .mech-h{font-family:var(--font-display);margin-bottom:.4rem;font-size:1.25rem;font-weight:700}.mech-card .mech-p{opacity:.88;font-size:.88rem;line-height:1.55}.ppt-slide-9{justify-content:center;padding:2.5rem 3.5rem}.ppt-slide-9 .exp-title{font-family:var(--font-display);margin-bottom:.4rem;font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:700}.ppt-slide-9 .exp-sub{opacity:.7;margin-bottom:1.5rem;font-size:.9rem}.exp-grid{flex:1;grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);gap:.9rem;max-height:68vh;display:grid}.exp-cell{border:3px solid var(--text);background:var(--bg);flex-direction:column;padding:.9rem 1rem;display:flex;position:relative;overflow:hidden}.exp-cell.filled{background:var(--text);color:var(--bg)}.exp-cell:nth-child(odd){transform:rotate(-.3deg)}.exp-cell:nth-child(2n){transform:rotate(.3deg)}.exp-cell .exp-num{font-family:var(--font-display);letter-spacing:.02em;opacity:.9;margin-bottom:.25rem;font-size:.85rem;font-weight:800}.exp-cell .exp-h{font-family:var(--font-display);margin-bottom:.35rem;font-size:.95rem;font-weight:800;line-height:1.25}.exp-cell .exp-p{opacity:.85;font-size:.72rem;line-height:1.5}.ppt-slide-10{padding:2.5rem 3.5rem}.ppt-slide-10 .demo-title{font-family:var(--font-display);margin-bottom:.3rem;font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:700}.ppt-slide-10 .demo-sub{opacity:.7;margin-bottom:1.2rem;font-size:.9rem}.demo-wrap{flex:1;grid-template-columns:1.3fr 1fr;justify-content:center;align-items:center;gap:2rem;max-height:62vh;display:grid}.demo-board-wrap{justify-content:center;align-items:center;height:100%;min-height:480px;display:flex}.phone-frame{aspect-ratio:auto;border:10px solid var(--text);background:var(--text);box-sizing:border-box;border-radius:36px;flex-direction:column;width:280px;height:100%;max-height:580px;padding:8px;display:flex;position:relative;box-shadow:0 10px 28px #0000002e}.phone-notch{background:var(--text);z-index:3;border-radius:0 0 12px 12px;width:38%;height:14px;position:absolute;top:8px;left:50%;transform:translate(-50%)}.phone-screen{background:var(--bg);border-radius:28px;flex-direction:column;flex:1;display:flex;overflow:hidden}.phone-statusbar{background:var(--bg-alt);border-bottom:1px solid #1a1a1a14;flex-shrink:0;justify-content:space-between;align-items:center;height:22px;padding:0 10px;font-size:.62rem;font-weight:700;display:flex}.ps-time{font-family:var(--font-display)}.ps-mole{opacity:.85}.ps-icons{letter-spacing:.1em}.phone-content{flex:1;min-height:0;padding:8px;display:flex;overflow:hidden}.phone-content>.demo-board{aspect-ratio:auto;gap:.5rem;width:100%;height:100%}.phone-content>.demo-board .hole{border-width:2px;font-size:1.6rem}.demo-board{aspect-ratio:1;grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);gap:.5rem;max-width:100%;height:100%;display:grid}.hole{border:3px solid var(--text);background:var(--bg-alt);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:50% 50% 45% 45%/40% 40% 50% 50%;justify-content:center;align-items:center;font-size:2.4rem;transition:transform .1s;display:flex;position:relative}.hole:active{transform:scale(.94)}.hole .mole{opacity:0;transition:opacity .1s}.hole.up .mole{opacity:1}.hole.hit{background:var(--text)}.demo-panel{flex-direction:column;gap:1rem;display:flex}.demo-stat{border:3px solid var(--text);background:var(--bg);padding:.9rem 1.2rem}.demo-stat.filled{background:var(--text);color:var(--bg)}.demo-stat-label{letter-spacing:.1em;text-transform:uppercase;opacity:.7;font-size:.75rem;font-weight:600;display:block}.demo-stat-val{font-family:var(--font-display);margin-top:.2rem;font-size:1.8rem;font-weight:800;line-height:1.1;display:block}.demo-btn{border:3px solid var(--text);background:var(--text);color:var(--bg);font-family:var(--font-display);cursor:pointer;padding:.9rem 1.2rem;font-size:1.1rem;font-weight:700}.demo-btn:hover{background:var(--bg);color:var(--text)}.demo-btn:disabled{opacity:.6;cursor:not-allowed}.demo-hint{opacity:.7;font-size:.78rem;line-height:1.5}@media (max-width:768px){.ppt-slide{padding:2rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.services-collage{grid-template-rows:auto;grid-template-columns:1fr}.mech-grid{grid-template-columns:1fr}.exp-grid{grid-template-rows:auto;grid-template-columns:repeat(2,1fr)}.timeline-track{flex-direction:column;gap:1.5rem}.timeline-track:before{display:none}.ppt-slide-3 .body-columns,.ppt-slide-2 .toc-grid,.demo-wrap{grid-template-columns:1fr}}@media (min-aspect-ratio:16/9){.ppt-presentation{justify-content:center;align-items:center;display:flex}.ppt-slide{border-left:3px solid var(--text);border-right:3px solid var(--text);max-width:177.78vh;margin:0 auto}}