.hill-hero{display:grid;grid-template-columns:1.03fr .97fr;gap:48px;align-items:center;min-height:520px;padding:58px;border:1px solid #dedff0;border-radius:25px;background:linear-gradient(135deg,#e8faf5,#fff 54%,#fff0e7);overflow:hidden}
.hill-hero h1{margin:0 0 18px;font-size:clamp(46px,4.9vw,69px);line-height:1.04;letter-spacing:-3px}.hill-hero .lead{margin:0}.hill-hero-visual{padding:22px;border:1px solid #d9ddea;border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.hill-landscape{position:relative;height:300px;overflow:hidden;border-bottom:2px solid #d4dae6;border-radius:11px;background:linear-gradient(to right,transparent 49.8%,rgba(255,255,255,.18) 50%,transparent 50.2%),linear-gradient(#45408f,#2f3766)}.hill-landscape::before{content:'';position:absolute;inset:38px -25px -90px;background:#776df0;clip-path:polygon(0 74%,8% 68%,16% 49%,24% 31%,32% 42%,42% 72%,53% 87%,62% 74%,70% 43%,78% 18%,84% 7%,91% 23%,100% 56%,100% 100%,0 100%)}.hill-landscape::after{content:'';position:absolute;inset:41px -25px -90px;background:linear-gradient(180deg,#b8f0dc,#55c3aa 60%,#474391);clip-path:polygon(0 74%,8% 68%,16% 49%,24% 31%,32% 42%,42% 72%,53% 87%,62% 74%,70% 43%,78% 18%,84% 7%,91% 23%,100% 56%,100% 100%,0 100%)}
.hill-step{position:absolute;z-index:2;display:grid;place-items:center;width:25px;height:25px;border:4px solid #fff;border-radius:50%;background:var(--orange);color:#fff;font:700 9px 'DM Mono';font-style:normal;box-shadow:0 4px 9px rgba(35,42,71,.25)}.hill-step.s1{left:6%;top:213px}.hill-step.s2{left:12%;top:186px}.hill-step.s3{left:18%;top:142px}.hill-step.s4{left:24%;top:108px;background:var(--mint)}.hill-path{position:absolute;z-index:2;left:7%;top:173px;width:20%;height:3px;background:#fff;transform:rotate(-28deg);transform-origin:left}.hill-local,.hill-global{position:absolute;z-index:2;color:#fff;font:700 10px 'DM Mono'}.hill-local{left:20%;top:73px}.hill-global{right:11%;top:35px}.hill-hero-caption{display:flex;align-items:center;gap:17px;flex-wrap:wrap;margin-top:13px;color:var(--muted);font-size:10px;font-weight:800}.hill-hero-caption>span i,.hill-hero-caption>span b{display:inline-block;width:10px;height:10px;margin-right:5px;border-radius:50%;background:var(--orange)}.hill-hero-caption>span b{background:var(--mint)}.hill-hero-caption code{margin-left:auto;padding:8px;border-radius:6px;background:#f1f3f8;color:var(--navy);font:650 10px 'DM Mono'}
.local-cycle{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:10px;align-items:stretch}.local-cycle article{padding:21px;border:1px solid var(--line);border-radius:12px;background:#fff}.local-cycle article>span{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:#eceaff;color:var(--indigo);font:750 10px 'DM Mono'}.local-cycle strong{display:block;margin:14px 0 6px;font-size:17px}.local-cycle p{min-height:52px;color:var(--muted);font-size:13px}.local-cycle code{display:block;padding:8px;border-radius:7px;background:#f1f3f8;font:650 10px 'DM Mono';text-align:center}.local-cycle>i{align-self:center;color:var(--violet);font-style:normal}
.hill-strategy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.hill-strategy-grid article{padding:23px;border:1px solid var(--line);border-top:5px solid var(--indigo);border-radius:13px;background:#fff}.hill-strategy-grid article:nth-child(2){border-top-color:var(--mint)}.hill-strategy-grid article:nth-child(3){border-top-color:var(--orange)}.hill-strategy-grid article>span{color:var(--indigo);font:650 9px 'DM Mono'}.hill-strategy-grid h3{margin:17px 0 7px;font-size:20px}.hill-strategy-grid p{min-height:52px;color:var(--muted);font-size:13px}.hill-strategy-grid code{display:block;padding:9px;border-radius:7px;background:#f1f3f8;font:650 11px 'DM Mono';text-align:center}.strategy-dots{display:flex;align-items:flex-end;justify-content:center;gap:15px;height:105px;margin-top:14px;border-bottom:2px solid #dfe4ed;background:linear-gradient(180deg,#fafbfe,#fff)}.strategy-dots i{width:22px;height:35px;border-radius:11px 11px 0 0;background:#c5c1fb}.strategy-dots i:nth-child(2){height:54px}.strategy-dots i:nth-child(3){height:68px}.strategy-dots i:nth-child(4){height:88px}.strategy-dots i.accepted{background:var(--mint)}.stochastic-dots i{background:linear-gradient(var(--orange),#f7c5a6)}
.hill-obstacle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.hill-obstacle-grid article{padding:22px;border:1px solid var(--line);border-radius:13px;background:#fff}.hill-obstacle-grid article>span{display:block;margin-top:16px;color:var(--indigo);font:650 9px 'DM Mono'}.hill-obstacle-grid h3{margin:8px 0;font-size:20px}.hill-obstacle-grid p{color:var(--muted);font-size:13px}.obstacle-sketch{position:relative;height:130px;overflow:hidden;border-radius:9px;background:#f3f4f8}.obstacle-sketch i{position:absolute;inset:32px -20px -55px;background:#7a71ed;clip-path:polygon(0 75%,15% 63%,28% 22%,42% 60%,56% 81%,70% 65%,83% 4%,100% 48%,100% 100%,0 100%)}.obstacle-sketch b{position:absolute;left:26%;top:36px;width:19px;height:19px;border:4px solid #fff;border-radius:50%;background:var(--orange)}.plateau-trap i{inset:42px 12px 28px;background:var(--mint);clip-path:polygon(0 70%,22% 24%,76% 24%,100% 70%,100% 100%,0 100%)}.plateau-trap b{top:45px;background:var(--orange)}.plateau-trap b:nth-child(2){left:35%}.plateau-trap b:nth-child(3){left:49%}.plateau-trap b:nth-child(4){left:63%}.ridge-trap i{inset:17px 30%;background:linear-gradient(135deg,transparent 42%,var(--violet) 43% 57%,transparent 58%);clip-path:none}.ridge-trap b{left:49%;top:50px}.local-global-summary{display:grid;grid-template-columns:1fr auto 1fr auto 1.2fr;gap:10px;align-items:center;margin-top:18px;padding:18px;border-radius:12px;background:var(--navy)}.local-global-summary article{display:grid;padding:14px;border:1px solid #46506c;border-radius:9px;color:#fff}.local-global-summary span{color:#aaa4ff;font:650 9px 'DM Mono'}.local-global-summary strong{margin-top:6px;font-size:14px}.local-global-summary>i{color:#75efd8;font-style:normal}.local-global-summary .summary-result{border-color:var(--orange);background:#493328}
.hill-lab-shell{display:grid;grid-template-columns:310px 1fr;gap:18px}.hill-controls{display:block}.hill-controls>label{margin-top:18px}.hill-controls>input{width:100%;accent-color:var(--indigo)}.hill-radius-scale{display:flex;justify-content:space-between;color:#8a94a8;font-size:9px;font-weight:800}.hill-controls select{width:100%;height:44px;margin-top:8px;padding:0 10px;border:1px solid #cfd5e2;border-radius:8px;background:#fff;color:var(--ink);font-weight:700}.hill-metrics article:nth-child(1){border-top-color:var(--violet)}.hill-metrics article:nth-child(2){border-top-color:var(--mint)}.hill-metrics article:nth-child(3){border-top-color:var(--orange)}.hill-metrics article:nth-child(4){border-top-color:var(--red)}.hill-metrics strong{font-size:16px}.hill-chart-card canvas{display:block;width:100%;min-height:360px;border-radius:8px}.hill-decision{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:9px;align-items:center;margin-top:12px}.hill-decision article{padding:14px;border:1px solid var(--line);border-radius:9px;background:#fff}.hill-decision span,.hill-decision strong,.hill-decision small{display:block}.hill-decision span{color:var(--indigo);font:650 9px 'DM Mono'}.hill-decision strong{margin-top:5px;font-size:14px}.hill-decision small{margin-top:3px;color:var(--muted);font-size:10px}.hill-decision>i{color:var(--violet);font-style:normal}.hill-decision .decision-result{border-color:var(--mint);background:#eafaf5}.hill-decision .decision-result.rejected{border-color:#efbbc4;background:#fff1f4}.hill-decision .decision-result.rejected span{color:var(--red)}
.restart-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.restart-grid article{padding:23px;border:1px solid var(--line);border-radius:13px;background:#fff}.restart-grid article>span{color:var(--indigo);font:650 9px 'DM Mono'}.restart-grid strong{display:block;margin:11px 0;font-size:17px}.restart-grid p{color:var(--muted);font-size:13px}.restart-route{position:relative;height:110px;border-radius:9px;background:#f3f4f8}.restart-route::before{content:'';position:absolute;left:8%;right:8%;top:54%;height:4px;border-radius:4px;background:linear-gradient(90deg,#c7c3fb,var(--indigo),var(--mint))}.restart-route i,.restart-route b,.restart-route em{position:absolute;top:47%;width:18px;height:18px;border:4px solid #fff;border-radius:50%;background:var(--orange)}.restart-route i{left:12%}.restart-route b{right:12%;background:var(--mint)}.multi-route i:nth-child(1){left:10%;top:24%}.multi-route i:nth-child(2){left:10%;top:47%}.multi-route i:nth-child(3){left:10%;top:69%}.perturb-route em{left:50%;top:18%;background:var(--red)}.disabled-link{cursor:default;opacity:.72}
@media(max-width:1120px){.hill-hero{grid-template-columns:1fr}.hill-hero-visual{max-width:730px}.hill-lab-shell{grid-template-columns:1fr}.hill-obstacle-grid,.restart-grid{grid-template-columns:1fr 1fr}}
@media(max-width:1500px){.navigation-ready.sidebar-pinned .hill-hero{grid-template-columns:1fr}.navigation-ready.sidebar-pinned .hill-hero-visual{width:100%;max-width:730px}}
@media(max-width:800px){.hill-hero{padding:38px 25px}.hill-hero h1{font-size:42px;letter-spacing:-1.8px}.local-cycle{grid-template-columns:1fr 1fr}.local-cycle>i{display:none}.hill-strategy-grid{grid-template-columns:1fr}.local-global-summary{grid-template-columns:1fr}.local-global-summary>i{text-align:center}.hill-decision{grid-template-columns:1fr}.hill-decision>i{text-align:center;transform:rotate(90deg)}}
@media(max-width:580px){.hill-hero{padding:30px 20px}.hill-hero h1{font-size:36px}.hill-hero-visual{padding:15px}.hill-landscape{height:250px}.hill-hero-caption code{width:100%;margin-left:0;text-align:center}.local-cycle,.hill-obstacle-grid,.restart-grid,.hill-metrics{grid-template-columns:1fr}.hill-chart-card{padding:14px}.hill-chart-card canvas{min-height:320px}}